//=====================================================================
/// <summary>
/// Initialize the dialog controls using the specified VTimeZone object
/// </summary>
/// <param name="tz">The time zone object from which to get the settings</param>
public void SetValues(VTimeZone tz)
{
originalId = txtTimeZoneId.Text = tz.TimeZoneId.Value;
txtTimeZoneUrl.Text = tz.TimeZoneUrl.Value;
txtLastModified.Text = tz.LastModified.DateTimeValue.ToString("G");
// We could bind directly to the existing collection but that would modify it. To preserve the
// original items, we'll pass a copy of the collection instead.
ucRules.BindingSource.DataSource = new ObservanceRuleCollection().CloneRange(tz.ObservanceRules);
}
/// <summary>
/// Update the time zone object with the dialog control values
/// </summary>
/// <param name="tz">The time zone object in which the settings are updated</param>
public void GetValues(VTimeZone tz)
{
tz.TimeZoneId.Value = txtTimeZoneId.Text;
tz.TimeZoneUrl.Value = txtTimeZoneUrl.Text;
tz.LastModified.DateTimeValue = DateTime.Now;
// For the collection, we'll clear the existing items and copy the modified items from the browse
// control binding source.
tz.ObservanceRules.Clear();
tz.ObservanceRules.CloneRange((ObservanceRuleCollection)ucRules.BindingSource.DataSource);
}
//=====================================================================
/// <summary>
/// This is overridden to allow cloning of a PDI object
/// </summary>
/// <returns>A clone of the object</returns>
public override object Clone()
{
VTimeZone o = new VTimeZone();
o.Clone(this);
return o;
}
/// <summary>
/// This is used to set the selected time zone in all date/time objects in the component without
/// modifying the date/time values.
/// </summary>
/// <param name="vTimeZone">A <see cref="VTimeZone"/> object that will be used for all date/time objects
/// in the component.</param>
/// <remarks>This method does not affect the date/time values</remarks>
public override void SetTimeZone(VTimeZone vTimeZone)
{
CalendarObject.SetPropertyTimeZone(startDate, vTimeZone);
CalendarObject.SetPropertyTimeZone(endDate, vTimeZone);
}
/// <summary>
/// This is used to apply the selected time zone to all date/time objects in the component and convert
/// them to the new time zone.
/// </summary>
/// <param name="vTimeZone">A <see cref="VTimeZone"/> object that will be used for all date/time objects
/// in the component.</param>
/// <remarks>When applied, all date/time values in the object will be converted to the new time zone</remarks>
public override void ApplyTimeZone(VTimeZone vTimeZone)
{
CalendarObject.ApplyPropertyTimeZone(startDate, vTimeZone);
CalendarObject.ApplyPropertyTimeZone(endDate, vTimeZone);
}
/// <summary>
/// This is implemented to handle properties related to VTimeZone items
/// </summary>
/// <param name="propertyName">The name of the property.</param>
/// <param name="parameters">A string collection containing the parameters and their values. If empty,
/// there are no parameters.</param>
/// <param name="propertyValue">The value of the property.</param>
protected virtual void VTimeZoneParser(string propertyName, StringCollection parameters, string propertyValue)
{
int idx;
// The last entry is always CustomProperty so scan for length minus one
for(idx = 0; idx < ntvTimeZone.Length - 1; idx++)
if(ntvTimeZone[idx].IsMatch(propertyName))
break;
// An opening BEGIN:VTIMEZONE property must have been seen
if(vTimeZone == null)
throw new PDIParserException(this.LineNumber, LR.GetString("ExParseNoBeginProp", "BEGIN:VTIMEZONE",
propertyName));
// Handle or create the property
switch(ntvTimeZone[idx].EnumValue)
{
case PropertyType.Begin: // Handle nested objects
priorState.Push(currentState);
// Is it a STANDARD or DAYLIGHT property?
if(String.Compare(propertyValue.Trim(), "STANDARD", StringComparison.OrdinalIgnoreCase) == 0)
{
obsRule = new ObservanceRule(ObservanceRuleType.Standard);
vTimeZone.ObservanceRules.Add(obsRule);
currentState = VCalendarParserState.ObservanceRule;
}
else
if(String.Compare(propertyValue.Trim(), "DAYLIGHT", StringComparison.OrdinalIgnoreCase) == 0)
{
obsRule = new ObservanceRule(ObservanceRuleType.Daylight);
vTimeZone.ObservanceRules.Add(obsRule);
currentState = VCalendarParserState.ObservanceRule;
}
else
{
// Unknown/custom object
currentState = VCalendarParserState.Custom;
CustomObjectParser(propertyName, parameters, propertyValue);
}
break;
case PropertyType.End:
// For this, the value must be VTIMEZONE
if(String.Compare(propertyValue.Trim(), "VTIMEZONE", StringComparison.OrdinalIgnoreCase) != 0)
throw new PDIParserException(this.LineNumber, LR.GetString("ExParseUnrecognizedTagValue",
ntvTimeZone[idx].Name, propertyValue));
// Unlike other objects, we do rely on the end tag to add the time zone object to the
// collection as they are shared amongst all instances.
VCalendar.TimeZones.Merge(vTimeZone);
vTimeZone = null;
currentState = priorState.Pop();
break;
case PropertyType.TimeZoneId:
vTimeZone.TimeZoneId.EncodedValue = propertyValue;
break;
case PropertyType.TimeZoneUrl:
vTimeZone.TimeZoneUrl.EncodedValue = propertyValue;
break;
case PropertyType.LastModified:
vTimeZone.LastModified.DeserializeParameters(parameters);
vTimeZone.LastModified.EncodedValue = propertyValue;
break;
default: // Anything else is a custom property
CustomProperty cust = new CustomProperty(propertyName);
cust.DeserializeParameters(parameters);
cust.EncodedValue = propertyValue;
vTimeZone.CustomProperties.Add(cust);
break;
}
}
/// <summary>
/// This is used to set the selected time zone in all date/time objects in the component without
/// modifying the date/time values.
/// </summary>
/// <param name="vTimeZone">A <see cref="VTimeZone"/> object that will be used for all date/time objects
/// in the component.</param>
/// <remarks>This method does not affect the date/time values</remarks>
public override void SetTimeZone(VTimeZone vTimeZone)
{
CalendarObject.SetPropertyTimeZone(startDate, vTimeZone);
CalendarObject.SetPropertyTimeZone(endDate, vTimeZone);
CalendarObject.SetPropertyTimeZone(recurId, vTimeZone);
if(alarms != null)
alarms.SetTimeZone(vTimeZone);
base.SetTimeZone(vTimeZone);
}
/// <summary>
/// This is used to apply the selected time zone to all date/time objects in the component and convert
/// them to the new time zone.
/// </summary>
/// <param name="vTimeZone">A <see cref="VTimeZone"/> object that will be used for all date/time objects
/// in the component.</param>
/// <remarks>When applied, all date/time values in the object will be converted to the new time zone</remarks>
public override void ApplyTimeZone(VTimeZone vTimeZone)
{
CalendarObject.ApplyPropertyTimeZone(startDate, vTimeZone);
CalendarObject.ApplyPropertyTimeZone(recurId, vTimeZone);
base.ApplyTimeZone(vTimeZone);
}
/// <summary>
/// This helper method can be used to apply a new time zone to the passed date/time property
/// </summary>
/// <param name="dateProp">The date/time property to check</param>
/// <param name="vTimeZone">The new time zone component to use</param>
/// <remarks>If the property's current time zone ID does not match the one in the new time zone, it is
/// updated with the new ID and the date/time is adjusted to the new time zone.</remarks>
protected static void ApplyPropertyTimeZone(BaseDateTimeProperty dateProp, VTimeZone vTimeZone)
{
if(dateProp != null && (vTimeZone == null || dateProp.TimeZoneId != vTimeZone.TimeZoneId.Value))
{
// If the time zone is null, just clear the time zone ID
if(vTimeZone == null)
{
dateProp.TimeZoneId = null;
return;
}
DateTimeInstance dti = VCalendar.TimeZoneToTimeZone(dateProp.TimeZoneDateTime, dateProp.TimeZoneId,
vTimeZone.TimeZoneId.Value);
dateProp.TimeZoneDateTime = dti.StartDateTime;
dateProp.TimeZoneId = vTimeZone.TimeZoneId.Value;
}
}
/// <summary>
/// This is used to set the selected time zone in all date/time objects in the component without
/// modifying the date/time values.
/// </summary>
/// <param name="vTimeZone">A <see cref="VTimeZone"/> object that will be used for all date/time objects
/// in the component.</param>
/// <remarks>This method does not affect the date/time values</remarks>
public override void SetTimeZone(VTimeZone vTimeZone)
{
CalendarObject.SetPropertyTimeZone(trigger, vTimeZone);
}
/// <summary>
/// This is used to apply the selected time zone to all date/time objects in the component and convert
/// them to the new time zone.
/// </summary>
/// <param name="vTimeZone">A <see cref="VTimeZone"/> object that will be used for all date/time objects
/// in the component.</param>
/// <remarks>When applied, all date/time values in the object will be converted to the new time zone</remarks>
public override void ApplyTimeZone(VTimeZone vTimeZone)
{
CalendarObject.ApplyPropertyTimeZone(trigger, vTimeZone);
}
/// <summary>
/// This is used to set the selected time zone in all date/time objects in the component without
/// modifying the date/time values.
/// </summary>
/// <param name="vTimeZone">A <see cref="VTimeZone"/> object that will be used for all date/time objects
/// in the component.</param>
/// <remarks>This method does not affect the date/time values</remarks>
public override void SetTimeZone(VTimeZone vTimeZone)
{
if(rDates != null)
foreach(RDateProperty rdt in rDates)
if(vTimeZone == null || rdt.TimeZoneId != vTimeZone.TimeZoneId.Value)
{
// If the time zone is null, just clear the time zone ID
if(vTimeZone == null)
rdt.TimeZoneId = null;
else
rdt.TimeZoneId = vTimeZone.TimeZoneId.Value;
}
if(exDates != null)
foreach(ExDateProperty edt in exDates)
CalendarObject.SetPropertyTimeZone(edt, vTimeZone);
}
/// <summary>
/// This is used to apply the selected time zone to all date/time objects in the component and convert
/// them to the new time zone.
/// </summary>
/// <param name="vTimeZone">A <see cref="VTimeZone"/> object that will be used for all date/time objects
/// in the component.</param>
/// <remarks>When applied, all date/time values in the object will be converted to the new time zone</remarks>
public override void ApplyTimeZone(VTimeZone vTimeZone)
{
if(rDates != null)
foreach(RDateProperty rdt in rDates)
if(vTimeZone == null || rdt.TimeZoneId != vTimeZone.TimeZoneId.Value)
{
// If the time zone is null, just clear the time zone ID
if(vTimeZone == null)
rdt.TimeZoneId = null;
else
{
DateTimeInstance dti = VCalendar.TimeZoneToTimeZone(rdt.TimeZoneDateTime,
rdt.TimeZoneId, vTimeZone.TimeZoneId.Value);
rdt.TimeZoneDateTime = dti.StartDateTime;
rdt.TimeZoneId = vTimeZone.TimeZoneId.Value;
}
}
if(exDates != null)
foreach(ExDateProperty edt in exDates)
CalendarObject.ApplyPropertyTimeZone(edt, vTimeZone);
}
/// <summary>
/// This is implemented to handle properties as they are parsed from the data stream
/// </summary>
/// <param name="propertyName">The name of the property.</param>
/// <param name="parameters">A string collection containing the parameters and their values. If empty,
/// there are no parameters.</param>
/// <param name="propertyValue">The value of the property.</param>
/// <remarks><para>There may be a mixture of name/value pairs or values alone in the parameters string
/// collection. It is up to the derived class to process the parameter list based on the specification
/// to which it conforms. For entries that are parameter names, the entry immediately following it in
/// the collection is its associated parameter value. The property name, parameter names, and their
/// values may be in upper, lower, or mixed case.</para>
///
/// <para>The value may be an encoded string. The properties are responsible for any decoding that may
/// need to occur (i.e. base 64 encoded image data).</para></remarks>
/// <exception cref="PDIParserException">This is thrown if an error is encountered while parsing the data
/// stream. Refer to the and inner exceptions for information on the cause of the problem.</exception>
protected override void PropertyParser(string propertyName, StringCollection parameters, string propertyValue)
{
SpecificationVersions version = SpecificationVersions.None;
string temp;
int idx;
// Is it parsing a sub-object?
if(currentState != VCalendarParserState.VCalendar)
{
switch(currentState)
{
case VCalendarParserState.VEvent:
VEventParser(propertyName, parameters, propertyValue);
break;
case VCalendarParserState.VToDo:
VToDoParser(propertyName, parameters, propertyValue);
break;
case VCalendarParserState.VJournal:
VJournalParser(propertyName, parameters, propertyValue);
break;
case VCalendarParserState.VAlarm:
VAlarmParser(propertyName, parameters, propertyValue);
break;
case VCalendarParserState.VFreeBusy:
VFreeBusyParser(propertyName, parameters, propertyValue);
break;
case VCalendarParserState.VTimeZone:
VTimeZoneParser(propertyName, parameters, propertyValue);
break;
case VCalendarParserState.ObservanceRule:
ObservanceRuleParser(propertyName, parameters, propertyValue);
break;
case VCalendarParserState.Custom:
CustomObjectParser(propertyName, parameters, propertyValue);
break;
}
return;
}
// The last entry is always CustomProperty so scan for length minus one
for(idx = 0; idx < ntvCal.Length - 1; idx++)
if(ntvCal[idx].IsMatch(propertyName))
break;
// An opening BEGIN:VCALENDAR property must have been seen
if(vCal == null && ntvCal[idx].EnumValue != PropertyType.Begin)
throw new PDIParserException(this.LineNumber, LR.GetString("ExParseNoBeginProp", "BEGIN:VCALENDAR",
propertyName));
// Handle or create the property
switch(ntvCal[idx].EnumValue)
{
case PropertyType.Begin:
// Start a new object
temp = propertyValue.Trim();
// The last entry is always Custom so scan for length - 1
for(idx = 0; idx < ntvObjs.Length - 1; idx++)
if(ntvObjs[idx].IsMatch(temp))
break;
priorState.Push(currentState);
currentState = ntvObjs[idx].EnumValue;
switch(currentState)
{
case VCalendarParserState.VCalendar:
// NOTE: If serializing into an existing instance, this may not be null. If so, it
// is ignored. It may also exist if two calendars appear in the same file. In that
// case, they will be merged into one calendar.
if(vCal == null)
vCal = new VCalendar();
break;
case VCalendarParserState.VEvent:
vEvent = new VEvent();
vCal.Events.Add(vEvent);
break;
case VCalendarParserState.VToDo:
vToDo = new VToDo();
vCal.ToDos.Add(vToDo);
break;
case VCalendarParserState.VJournal:
vJournal = new VJournal();
vCal.Journals.Add(vJournal);
break;
case VCalendarParserState.VFreeBusy:
vFreeBusy = new VFreeBusy();
vCal.FreeBusys.Add(vFreeBusy);
break;
case VCalendarParserState.VTimeZone:
// NOTE: Unlike the other objects, time zone are not added to the collection until
// the END Tag is encountered as they are shared amongst all calendar instances.
vTimeZone = new VTimeZone();
break;
case VCalendarParserState.Custom:
CustomObjectParser(propertyName, parameters, propertyValue);
break;
}
break;
case PropertyType.End:
// The value must be VCALENDAR
if(String.Compare(propertyValue.Trim(), "VCALENDAR", StringComparison.OrdinalIgnoreCase) != 0)
throw new PDIParserException(this.LineNumber, LR.GetString("ExParseUnrecognizedTagValue",
ntvCal[idx].Name, propertyValue));
// When done, we'll propagate the version number to all objects to make it consistent
vCal.PropagateVersion();
break;
case PropertyType.Version:
// Version must be 1.0 or 2.0
temp = propertyValue.Trim();
if(temp == "1.0")
version = SpecificationVersions.vCalendar10;
else
if(temp == "2.0")
version = SpecificationVersions.iCalendar20;
else
throw new PDIParserException(this.LineNumber, LR.GetString("ExParseUnrecognizedVersion",
"vCalendar/iCalendar", temp));
vCal.Version = version;
break;
case PropertyType.ProductId:
vCal.ProductId.EncodedValue = propertyValue;
break;
case PropertyType.CalendarScale:
vCal.CalendarScale.DeserializeParameters(parameters);
vCal.CalendarScale.EncodedValue = propertyValue;
break;
case PropertyType.Method:
vCal.Method.DeserializeParameters(parameters);
vCal.Method.EncodedValue = propertyValue;
break;
case PropertyType.GeographicPosition:
vCal.VCalendarGeographicPosition.EncodedValue = propertyValue;
break;
case PropertyType.TimeZone:
vCal.VCalendarTimeZone.DeserializeParameters(parameters);
vCal.VCalendarTimeZone.EncodedValue = propertyValue;
break;
case PropertyType.Daylight:
vCal.VCalendarDaylightRule.DeserializeParameters(parameters);
vCal.VCalendarDaylightRule.EncodedValue = propertyValue;
break;
default: // Anything else is a custom property
CustomProperty c = new CustomProperty(propertyName);
c.DeserializeParameters(parameters);
c.EncodedValue = propertyValue;
vCal.CustomProperties.Add(c);
break;
}
}
//=====================================================================
/// <summary>
/// This is overridden to handle the additional state maintained by the calendar parser
/// </summary>
/// <param name="fullReset">If true, a full reset is done (i.e. this is the start of a brand new session.
/// If false only the line state is reset (it's done parsing a property name or value).</param>
protected override void ResetState(bool fullReset)
{
if(fullReset)
{
currentState = VCalendarParserState.VCalendar;
vEvent = null;
vToDo = null;
vJournal = null;
vAlarm = null;
vFreeBusy = null;
vTimeZone = null;
obsRule = null;
priorState.Clear();
beginValue.Clear();
}
base.ResetState(fullReset);
}
/// <summary>
/// The time zone object does not have any properties that use time zone IDs
/// </summary>
/// <param name="vTimeZone">A <see cref="VTimeZone"/> object that will be used for all date/time objects
/// in the component.</param>
public override void ApplyTimeZone(VTimeZone vTimeZone)
{
}
/// <summary>
/// The time zone object does not have any properties that use time zone IDs
/// </summary>
/// <param name="vTimeZone">A <see cref="VTimeZone"/> object that will be used for all date/time objects
/// in the component.</param>
public override void SetTimeZone(VTimeZone vTimeZone)
{
}
/// <summary>
/// This helper method can be used to set a new time zone in the passed date/time property without
/// modifying the date/time value.
/// </summary>
/// <param name="dateProp">The date/time property to check</param>
/// <param name="vTimeZone">The new time zone component to use</param>
/// <remarks>If the property's current time zone ID does not match the one in the new time zone, it is
/// updated with the new ID. The date/time value is not changed.</remarks>
protected static void SetPropertyTimeZone(BaseDateTimeProperty dateProp, VTimeZone vTimeZone)
{
if(dateProp != null && (vTimeZone == null || dateProp.TimeZoneId != vTimeZone.TimeZoneId.Value))
{
// If the time zone is null, just clear the time zone ID
if(vTimeZone == null)
dateProp.TimeZoneId = null;
else
dateProp.TimeZoneId = vTimeZone.TimeZoneId.Value;
}
}
//=====================================================================
/// <summary>
/// This is used to load the VCalendar.TimeZones collection with time zone information from the registry
/// </summary>
public static void LoadTimeZoneInfo()
{
string keyName, display, standardDesc, dstDesc;
TIMEZONE tz;
VCalendar.TimeZones.Clear();
// To keep things simple, we'll load the time zone data from the settings available in the registry.
// We could take it a step further and load it from something like a copy of the Olson time zone
// database but I haven't been that ambitious yet.
if(Environment.OSVersion.Platform == PlatformID.Win32NT)
keyName = @"SOFTWARE\Microsoft\Windows NT\CurrentVersion\Time Zones";
else
keyName = @"SOFTWARE\Microsoft\Windows\CurrentVersion\Time Zones";
using(var rk = Registry.LocalMachine.OpenSubKey(keyName))
{
foreach(string s in rk.GetSubKeyNames())
{
using(var rsk = rk.OpenSubKey(s))
{
display = (string)rsk.GetValue("Display");
standardDesc = (string)rsk.GetValue("Std");
dstDesc = (string)rsk.GetValue("Dlt");
tz = TIMEZONE.FromRegistry(rsk.GetValue("TZI"));
}
// Create the time zone object
VTimeZone vtz = new VTimeZone();
vtz.TimeZoneId.Value = display;
ObservanceRule or = vtz.ObservanceRules.Add(ObservanceRuleType.Standard);
or.OffsetFrom.TimeSpanValue = TimeSpan.FromMinutes(tz.nBias + tz.nDaylightBias).Negate();
or.OffsetTo.TimeSpanValue = TimeSpan.FromMinutes(tz.nBias + tz.nStandardBias).Negate();
or.TimeZoneNames.Add(standardDesc);
// If the standard date month is zero, it doesn't use standard time. Assume 01/01/1970 and
// set it up to return the offset.
if(tz.standardDate.wMonth == 0)
or.StartDateTime.DateTimeValue = new DateTime(1970, 1, 1);
else
{
// If year is zero, its a recurrence. If not zero, it's a fixed date.
if(tz.standardDate.wYear == 0)
{
or.StartDateTime.DateTimeValue = tz.standardDate.ToDateTime(1970);
RRuleProperty rrule = new RRuleProperty();
rrule.Recurrence.RecurYearly(
(tz.standardDate.wDay > 4) ? DayOccurrence.Last : (DayOccurrence)tz.standardDate.wDay,
tz.standardDate.DayOfWeek(), tz.standardDate.wMonth, 1);
or.RecurrenceRules.Add(rrule);
}
else
{
or.StartDateTime.DateTimeValue = tz.standardDate.ToDateTime();
or.RecurDates.Add(or.StartDateTime.DateTimeValue);
}
}
// If the daylight month is zero, it doesn't use DST. The standard rule will handle
// everything.
if(tz.daylightDate.wMonth != 0)
{
or = vtz.ObservanceRules.Add(ObservanceRuleType.Daylight);
or.OffsetFrom.TimeSpanValue = TimeSpan.FromMinutes(tz.nBias + tz.nStandardBias).Negate();
or.OffsetTo.TimeSpanValue = TimeSpan.FromMinutes(tz.nBias + tz.nDaylightBias).Negate();
or.TimeZoneNames.Add(dstDesc);
// If year is zero, its a recurrence. If not zero, it's a fixed date.
if(tz.daylightDate.wYear == 0)
{
or.StartDateTime.DateTimeValue = tz.daylightDate.ToDateTime(1970);
RRuleProperty rrule = new RRuleProperty();
rrule.Recurrence.RecurYearly(
(tz.daylightDate.wDay > 4) ? DayOccurrence.Last : (DayOccurrence)tz.daylightDate.wDay,
tz.daylightDate.DayOfWeek(), tz.daylightDate.wMonth, 1);
or.RecurrenceRules.Add(rrule);
}
else
{
or.StartDateTime.DateTimeValue = tz.daylightDate.ToDateTime();
or.RecurDates.Add(or.StartDateTime.DateTimeValue);
}
}
VCalendar.TimeZones.Add(vtz);
}
}
// Put the time zones in sorted order
VCalendar.TimeZones.Sort(true);
}
/// <summary> /// This is used to apply the selected time zone to all date/time objects in the component and convert /// them to the new time zone. /// </summary> /// <param name="vTimeZone">A <see cref="VTimeZone"/> object that will be used for all date/time objects /// in the component.</param> /// <remarks>When applied, all date/time values in the object will be converted to the new time zone</remarks> public abstract void ApplyTimeZone(VTimeZone vTimeZone);
/// <summary> /// This is used to set the selected time zone in all date/time objects in the component without /// modifying the date/time values. /// </summary> /// <param name="vTimeZone">A <see cref="VTimeZone"/> object that will be used for all date/time objects /// in the component.</param> /// <remarks>This method does not affect the date/time values</remarks> public abstract void SetTimeZone(VTimeZone vTimeZone);
/// <summary>
/// This is used to set the selected time zone in all date/time objects in the component without
/// modifying the date/time values.
/// </summary>
/// <param name="vTimeZone">A <see cref="VTimeZone"/> object that will be used for all date/time objects
/// in the component.</param>
/// <remarks>This method does not affect the date/time values</remarks>
public override void SetTimeZone(VTimeZone vTimeZone)
{
if(events != null)
events.SetTimeZone(vTimeZone);
if(todos != null)
todos.SetTimeZone(vTimeZone);
if(journals != null)
journals.SetTimeZone(vTimeZone);
if(freebusy != null)
freebusy.SetTimeZone(vTimeZone);
}
static void Main()
{
Recurrence r = new Recurrence();
int idx;
Console.WriteLine("The first part will calculate instances using only the Recurrence class. All " +
"instances are expressed in local time.\nPress ENTER to continue...");
Console.ReadLine();
// NOTE: The examples in the spec assume the US-Eastern time zone. Here, we're specifying the
// date/times directly and everything is in local time. The recurrence engine always generates the
// date/times in local time when used by itself. For time zone support, use the calendar objects as
// demonstrated later on below.
Console.WriteLine("Daily for 10 occurrences:");
r.StartDateTime = new DateTime(1997, 9, 2, 9, 0, 0);
r.Frequency = RecurFrequency.Daily;
r.MaximumOccurrences = 10;
Console.WriteLine(r.ToStringWithStartDateTime());
foreach(DateTime dt in r)
Console.WriteLine(dt);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Daily until December 24, 1997:");
// We'll re-use the same object. Just reset it first.
r.Reset();
r.StartDateTime = new DateTime(1997, 9, 2, 9, 0, 0);
r.Frequency = RecurFrequency.Daily;
// Note that in the spec examples, it looks as if the end times are wrong. It shows the times in
// Universal Time as it should be but if you convert the times from Universal Time to US-Eastern time
// (-05:00), it cuts a few of the patterns off too early. I've adjusted those where needed.
r.RecurUntil = new DateTime(1997, 12, 24, 0, 0, 0);
Console.WriteLine(r.ToStringWithStartDateTime());
foreach(DateTime dt in r)
Console.WriteLine(dt);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Every other day - forever:");
r.Reset();
r.StartDateTime = new DateTime(1997, 9, 2, 9, 0, 0);
r.Frequency = RecurFrequency.Daily;
r.Interval = 2;
Console.WriteLine(r.ToStringWithStartDateTime());
// We'll limit the output of the "forever" rules by using the InstancesBetween() method to limit the
// output to a range of dates and enumerate the returned DateTimeCollection.
foreach(DateTime dt in r.InstancesBetween(r.StartDateTime, new DateTime(1997, 12, 5)))
Console.WriteLine(dt);
Console.WriteLine("... Forever ...\nPress ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Every 10 days, 5 occurrences:");
r.Reset();
r.StartDateTime = new DateTime(1997, 9, 2, 9, 0, 0);
r.Frequency = RecurFrequency.Daily;
r.Interval = 10;
r.MaximumOccurrences = 5;
Console.WriteLine(r.ToStringWithStartDateTime());
foreach(DateTime dt in r)
Console.WriteLine(dt);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Every day in January, for 3 years:");
r.Reset();
r.StartDateTime = new DateTime(1998, 1, 1, 9, 0, 0);
r.Frequency = RecurFrequency.Yearly;
r.RecurUntil = new DateTime(2000, 1, 31, 9, 0, 0);
r.ByMonth.Add(1);
// When adding days without an instance value, you can use the helper method on the collection that
// takes an array of DayOfWeek values rather than constructing an array of DayInstance objects.
r.ByDay.AddRange(new[] { DayOfWeek.Sunday, DayOfWeek.Monday, DayOfWeek.Tuesday, DayOfWeek.Wednesday,
DayOfWeek.Thursday, DayOfWeek.Friday, DayOfWeek.Saturday });
Console.WriteLine(r.ToStringWithStartDateTime());
foreach(DateTime dt in r)
Console.WriteLine(dt);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
// Like the last one but using a DAILY frequency
Console.WriteLine("Everyday in January, for 3 years:");
r.Reset();
r.StartDateTime = new DateTime(1998, 1, 1, 9, 0, 0);
r.Frequency = RecurFrequency.Daily;
r.RecurUntil = new DateTime(2000, 1, 31, 9, 0, 0);
r.ByMonth.Add(1);
Console.WriteLine(r.ToStringWithStartDateTime());
foreach(DateTime dt in r)
Console.WriteLine(dt);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Weekly for 10 occurrences:");
r.Reset();
r.StartDateTime = new DateTime(1997, 9, 2, 9, 0, 0);
r.Frequency = RecurFrequency.Weekly;
r.MaximumOccurrences = 10;
Console.WriteLine(r.ToStringWithStartDateTime());
foreach(DateTime dt in r)
Console.WriteLine(dt);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Weekly until December 24, 1997:");
r.Reset();
r.StartDateTime = new DateTime(1997, 9, 2, 9, 0, 0);
r.Frequency = RecurFrequency.Weekly;
r.RecurUntil = new DateTime(1997, 12, 24, 0, 0, 0);
Console.WriteLine(r.ToStringWithStartDateTime());
foreach(DateTime dt in r)
Console.WriteLine(dt);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Every other week - forever:");
r.Reset();
r.StartDateTime = new DateTime(1997, 9, 2, 9, 0, 0);
r.Frequency = RecurFrequency.Weekly;
r.Interval = 2;
r.WeekStart = DayOfWeek.Sunday;
Console.WriteLine(r.ToStringWithStartDateTime());
// Not forever for the test
foreach(DateTime dt in r.InstancesBetween(r.StartDateTime, new DateTime(1999, 2, 10)))
Console.WriteLine(dt);
Console.WriteLine("... Forever ...\nPress ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Weekly on Tuesday and Thursday for 5 weeks:");
r.Reset();
r.StartDateTime = new DateTime(1997, 9, 2, 9, 0, 0);
r.Frequency = RecurFrequency.Weekly;
r.RecurUntil = new DateTime(1997, 10, 07, 0, 0, 0);
r.WeekStart = DayOfWeek.Sunday;
r.ByDay.AddRange(new[] { DayOfWeek.Tuesday, DayOfWeek.Thursday });
Console.WriteLine(r.ToStringWithStartDateTime());
foreach(DateTime dt in r)
Console.WriteLine(dt);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
// Like the last one but using a count
Console.WriteLine("Weekly on Tuesday and Thursday for 5 weeks:");
r.Reset();
r.StartDateTime = new DateTime(1997, 9, 2, 9, 0, 0);
r.Frequency = RecurFrequency.Weekly;
r.MaximumOccurrences = 10;
r.WeekStart = DayOfWeek.Sunday;
r.ByDay.AddRange(new[] { DayOfWeek.Tuesday, DayOfWeek.Thursday });
Console.WriteLine(r.ToStringWithStartDateTime());
foreach(DateTime dt in r)
Console.WriteLine(dt);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
// NOTE: The inclusion of DTSTART in a recurrence set is a feature of the calendar objects, NOT the
// recurrence engine. To include DTSTART, use a calendar object such as VEvent to generate the set
// as demonstrated later on below.
Console.WriteLine("Every other week on Monday, Wednesday and Friday until December 24, 1997, but " +
"starting on Tuesday, September 2, 1997:");
r.Reset();
r.StartDateTime = new DateTime(1997, 9, 2, 9, 0, 0);
r.Frequency = RecurFrequency.Weekly;
r.Interval = 2;
r.WeekStart = DayOfWeek.Sunday;
r.RecurUntil = new DateTime(1997, 12, 24, 0, 0, 0);
r.ByDay.AddRange(new[] { DayOfWeek.Monday, DayOfWeek.Wednesday, DayOfWeek.Friday });
Console.WriteLine(r.ToStringWithStartDateTime());
foreach(DateTime dt in r)
Console.WriteLine(dt);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Every other week on Tuesday and Thursday, for 8 occurrences:");
r.Reset();
r.StartDateTime = new DateTime(1997, 9, 2, 9, 0, 0);
r.Frequency = RecurFrequency.Weekly;
r.Interval = 2;
r.WeekStart = DayOfWeek.Sunday;
r.MaximumOccurrences = 8;
r.ByDay.AddRange(new[] { DayOfWeek.Tuesday, DayOfWeek.Thursday });
Console.WriteLine(r.ToStringWithStartDateTime());
foreach(DateTime dt in r)
Console.WriteLine(dt);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Monthly on the 1st Friday for ten occurrences:");
r.Reset();
r.StartDateTime = new DateTime(1997, 9, 5, 9, 0, 0);
r.Frequency = RecurFrequency.Monthly;
r.MaximumOccurrences = 10;
// There are also helper methods to add single instances
r.ByDay.Add(1, DayOfWeek.Friday);
Console.WriteLine(r.ToStringWithStartDateTime());
foreach(DateTime dt in r)
Console.WriteLine(dt);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Monthly on the 1st Friday until December 24, 1997:");
r.Reset();
r.StartDateTime = new DateTime(1997, 9, 5, 9, 0, 0);
r.Frequency = RecurFrequency.Monthly;
r.RecurUntil = new DateTime(1997, 12, 24, 0, 0, 0);
r.ByDay.Add(1, DayOfWeek.Friday);
Console.WriteLine(r.ToStringWithStartDateTime());
foreach(DateTime dt in r)
Console.WriteLine(dt);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Every other month on the 1st and last Sunday of the month for 10 occurrences:");
r.Reset();
r.StartDateTime = new DateTime(1997, 9, 7, 9, 0, 0);
r.Frequency = RecurFrequency.Monthly;
r.Interval = 2;
r.MaximumOccurrences = 10;
r.ByDay.AddRange(new[] { new DayInstance(1, DayOfWeek.Sunday), new DayInstance(-1, DayOfWeek.Sunday) });
Console.WriteLine(r.ToStringWithStartDateTime());
foreach(DateTime dt in r)
Console.WriteLine(dt);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Monthly on the second to last Monday of the month for 6 months:");
r.Reset();
r.StartDateTime = new DateTime(1997, 9, 22, 9, 0, 0);
r.Frequency = RecurFrequency.Monthly;
r.MaximumOccurrences = 6;
r.ByDay.Add(-2, DayOfWeek.Monday);
Console.WriteLine(r.ToStringWithStartDateTime());
foreach(DateTime dt in r)
Console.WriteLine(dt);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Monthly on the third to the last day of the month, forever:");
r.Reset();
r.StartDateTime = new DateTime(1997, 9, 28, 9, 0, 0);
r.Frequency = RecurFrequency.Monthly;
r.ByMonthDay.Add(-3);
Console.WriteLine(r.ToStringWithStartDateTime());
// Not forever for the test
foreach(DateTime dt in r.InstancesBetween(r.StartDateTime, new DateTime(1998, 2, 28)))
Console.WriteLine(dt);
Console.WriteLine("... Forever ...\nPress ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Monthly on the 2nd and 15th of the month for 10 occurrences:");
r.Reset();
r.StartDateTime = new DateTime(1997, 9, 2, 9, 0, 0);
r.Frequency = RecurFrequency.Monthly;
r.MaximumOccurrences = 10;
r.ByMonthDay.AddRange(new[] { 2, 15 });
Console.WriteLine(r.ToStringWithStartDateTime());
foreach(DateTime dt in r)
Console.WriteLine(dt);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Monthly on the first and last day of the month for 10 occurrences:");
r.Reset();
r.StartDateTime = new DateTime(1997, 9, 30, 9, 0, 0);
r.Frequency = RecurFrequency.Monthly;
r.MaximumOccurrences = 10;
r.ByMonthDay.AddRange(new[] { 1, -1 });
Console.WriteLine(r.ToStringWithStartDateTime());
foreach(DateTime dt in r)
Console.WriteLine(dt);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Every 18 months on the 10th through 15th of the month for 10 occurrences:");
r.Reset();
r.StartDateTime = new DateTime(1997, 9, 10, 9, 0, 0);
r.Frequency = RecurFrequency.Monthly;
r.Interval = 18;
r.MaximumOccurrences = 10;
r.ByMonthDay.AddRange(new[] { 10, 11, 12, 13, 14, 15 });
Console.WriteLine(r.ToStringWithStartDateTime());
foreach(DateTime dt in r)
Console.WriteLine(dt);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Every Tuesday, every other month:");
r.Reset();
r.StartDateTime = new DateTime(1997, 9, 2, 9, 0, 0);
r.Frequency = RecurFrequency.Monthly;
r.Interval = 2;
r.ByDay.Add(DayOfWeek.Tuesday);
Console.WriteLine(r.ToStringWithStartDateTime());
// Not forever for the test
foreach(DateTime dt in r.InstancesBetween(r.StartDateTime, new DateTime(1998, 4, 1)))
Console.WriteLine(dt);
Console.WriteLine("... Forever ...\nPress ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Yearly in June and July for 10 occurrences:");
r.Reset();
r.StartDateTime = new DateTime(1997, 6, 10, 9, 0, 0);
r.Frequency = RecurFrequency.Yearly;
r.MaximumOccurrences = 10;
r.ByMonth.AddRange(new[] { 6, 7 });
Console.WriteLine(r.ToStringWithStartDateTime());
foreach(DateTime dt in r)
Console.WriteLine(dt);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Every other year in January, February, and March for 10 occurrences:");
r.Reset();
r.StartDateTime = new DateTime(1997, 3, 10, 9, 0, 0);
r.Frequency = RecurFrequency.Yearly;
r.Interval = 2;
r.MaximumOccurrences = 10;
r.ByMonth.AddRange(new[] { 1, 2, 3 });
Console.WriteLine(r.ToStringWithStartDateTime());
foreach(DateTime dt in r)
Console.WriteLine(dt);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Every 3rd year on the 1st, 100th and 200th day for 10 occurrences:");
r.Reset();
r.StartDateTime = new DateTime(1997, 1, 1, 9, 0, 0);
r.Frequency = RecurFrequency.Yearly;
r.Interval = 3;
r.MaximumOccurrences = 10;
r.ByYearDay.AddRange(new[] { 1, 100, 200 });
Console.WriteLine(r.ToStringWithStartDateTime());
foreach(DateTime dt in r)
Console.WriteLine(dt);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Every 20th Monday of the year, forever:");
r.Reset();
r.StartDateTime = new DateTime(1997, 5, 19, 9, 0, 0);
r.Frequency = RecurFrequency.Yearly;
r.ByDay.Add(20, DayOfWeek.Monday);
Console.WriteLine(r.ToStringWithStartDateTime());
// Not forever for the test
foreach(DateTime dt in r.InstancesBetween(r.StartDateTime, new DateTime(2004, 5, 19)))
Console.WriteLine(dt);
Console.WriteLine("... Forever ...\nPress ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Monday of week number 20 (where the default start of the week is Monday), forever:");
r.Reset();
r.StartDateTime = new DateTime(1997, 5, 12, 9, 0, 0);
r.Frequency = RecurFrequency.Yearly;
r.ByWeekNo.Add(20);
r.ByDay.Add(DayOfWeek.Monday);
Console.WriteLine(r.ToStringWithStartDateTime());
// Not forever for the test
foreach(DateTime dt in r.InstancesBetween(r.StartDateTime, new DateTime(2004, 5, 19)))
Console.WriteLine(dt);
Console.WriteLine("... Forever ...\nPress ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Every Thursday in March, forever:");
r.Reset();
r.StartDateTime = new DateTime(1997, 3, 13, 9, 0, 0);
r.Frequency = RecurFrequency.Yearly;
r.ByMonth.Add(3);
r.ByDay.Add(DayOfWeek.Thursday);
Console.WriteLine(r.ToStringWithStartDateTime());
// Not forever for the test
foreach(DateTime dt in r.InstancesBetween(r.StartDateTime, new DateTime(1999, 4, 1)))
Console.WriteLine(dt);
Console.WriteLine("... Forever ...\nPress ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Every Thursday, but only during June, July, and August, forever:");
r.Reset();
r.StartDateTime = new DateTime(1997, 6, 5, 9, 0, 0);
r.Frequency = RecurFrequency.Yearly;
r.ByMonth.AddRange(new[] { 6, 7, 8 });
r.ByDay.Add(DayOfWeek.Thursday);
Console.WriteLine(r.ToStringWithStartDateTime());
// Not forever for the test
foreach(DateTime dt in r.InstancesBetween(r.StartDateTime, new DateTime(1999, 9, 1)))
Console.WriteLine(dt);
Console.WriteLine("... Forever ...\nPress ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Every Friday the 13th, forever:");
r.Reset();
r.StartDateTime = new DateTime(1997, 9, 2, 9, 0, 0);
r.Frequency = RecurFrequency.Monthly;
r.ByDay.Add(DayOfWeek.Friday);
r.ByMonthDay.Add(13);
Console.WriteLine(r.ToStringWithStartDateTime());
// Not forever for the test
foreach(DateTime dt in r.InstancesBetween(r.StartDateTime, new DateTime(2003, 12, 31)))
Console.WriteLine(dt);
Console.WriteLine("... Forever ...\nPress ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("The first Saturday that follows the first Sunday of the month, forever:");
r.Reset();
r.StartDateTime = new DateTime(1997, 9, 13, 9, 0, 0);
r.Frequency = RecurFrequency.Monthly;
r.ByDay.Add(DayOfWeek.Saturday);
r.ByMonthDay.AddRange(new[] { 7, 8, 9, 10, 11, 12, 13 });
Console.WriteLine(r.ToStringWithStartDateTime());
// Not forever for the test
foreach(DateTime dt in r.InstancesBetween(r.StartDateTime, new DateTime(1998, 7, 1)))
Console.WriteLine(dt);
Console.WriteLine("... Forever ...\nPress ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Every four years, the first Tuesday after a Monday in November, forever " +
"(U.S. Presidential Election day):");
r.Reset();
r.StartDateTime = new DateTime(1996, 11, 5, 9, 0, 0);
r.Frequency = RecurFrequency.Yearly;
r.Interval = 4;
r.ByMonth.Add(11);
r.ByDay.Add(DayOfWeek.Tuesday);
r.ByMonthDay.AddRange(new[] { 2, 3, 4, 5, 6, 7, 8 });
Console.WriteLine(r.ToStringWithStartDateTime());
// Not forever for the test
foreach(DateTime dt in r.InstancesBetween(r.StartDateTime, new DateTime(2004, 11, 3)))
Console.WriteLine(dt);
Console.WriteLine("... Forever ...\nPress ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("The 3rd instance into the month of one of Tuesday, Wednesday or Thursday, for " +
"the next 3 months:");
r.Reset();
r.StartDateTime = new DateTime(1997, 9, 4, 9, 0, 0);
r.Frequency = RecurFrequency.Monthly;
r.MaximumOccurrences = 3;
r.BySetPos.Add(3);
r.ByDay.AddRange(new[] { DayOfWeek.Tuesday, DayOfWeek.Wednesday, DayOfWeek.Thursday });
Console.WriteLine(r.ToStringWithStartDateTime());
foreach(DateTime dt in r)
Console.WriteLine(dt);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("The 2nd to last weekday of the month:");
r.Reset();
r.StartDateTime = new DateTime(1997, 9, 29, 9, 0, 0);
r.Frequency = RecurFrequency.Monthly;
r.BySetPos.Add(-2);
r.ByDay.AddRange(new[] { DayOfWeek.Monday, DayOfWeek.Tuesday, DayOfWeek.Wednesday,
DayOfWeek.Thursday, DayOfWeek.Friday });
Console.WriteLine(r.ToStringWithStartDateTime());
// Not forever for the test
foreach(DateTime dt in r.InstancesBetween(r.StartDateTime, new DateTime(1998, 9, 29)))
Console.WriteLine(dt);
Console.WriteLine("... Forever ...\nPress ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Every 3 hours from 9:00 AM to 5:00 PM on a specific day:");
r.Reset();
r.StartDateTime = new DateTime(1997, 9, 2, 9, 0, 0);
r.Frequency = RecurFrequency.Hourly;
r.Interval = 3;
r.RecurUntil = new DateTime(1997, 9, 2, 17, 0, 0);
Console.WriteLine(r.ToStringWithStartDateTime());
foreach(DateTime dt in r)
Console.WriteLine(dt);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Every 15 minutes for 6 occurrences:");
r.Reset();
r.StartDateTime = new DateTime(1997, 9, 2, 9, 0, 0);
r.Frequency = RecurFrequency.Minutely;
r.Interval = 15;
r.MaximumOccurrences = 6;
Console.WriteLine(r.ToStringWithStartDateTime());
foreach(DateTime dt in r)
Console.WriteLine(dt);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Every hour and a half for 4 occurrences:");
r.Reset();
r.StartDateTime = new DateTime(1997, 9, 2, 9, 0, 0);
r.Frequency = RecurFrequency.Minutely;
r.Interval = 90;
r.MaximumOccurrences = 4;
Console.WriteLine(r.ToStringWithStartDateTime());
foreach(DateTime dt in r)
Console.WriteLine(dt);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Every 20 minutes from 9:00 AM to 4:40 PM every day:");
r.Reset();
r.StartDateTime = new DateTime(1997, 9, 2, 9, 0, 0);
r.Frequency = RecurFrequency.Daily;
r.ByHour.AddRange(new[] { 9, 10, 11, 12, 13, 14, 15, 16 });
r.ByMinute.AddRange( new[] { 0, 20, 40 });
Console.WriteLine(r.ToStringWithStartDateTime());
// Not forever for the test
foreach(DateTime dt in r.InstancesBetween(r.StartDateTime, new DateTime(1997, 9, 4)))
Console.WriteLine(dt);
Console.WriteLine("... Forever ...\nPress ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
// Like the last one but with a MINUTELY frequency
Console.WriteLine("Every 20 minutes from 9:00 AM to 4:40 PM every day:");
r.Reset();
r.StartDateTime = new DateTime(1997, 9, 2, 9, 0, 0);
r.Frequency = RecurFrequency.Minutely;
r.Interval = 20;
r.ByHour.AddRange(new[] { 9, 10, 11, 12, 13, 14, 15, 16 });
Console.WriteLine(r.ToStringWithStartDateTime());
// Not forever for the test
foreach(DateTime dt in r.InstancesBetween(r.StartDateTime, new DateTime(1997, 9, 4)))
Console.WriteLine(dt);
Console.WriteLine("... Forever ...\nPress ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("An example where the days generated makes a difference because of WKST:");
r.Reset();
r.StartDateTime = new DateTime(1997, 8, 5, 9, 0, 0);
r.Frequency = RecurFrequency.Weekly;
r.Interval = 2;
r.MaximumOccurrences = 4;
r.ByDay.AddRange(new[] { DayOfWeek.Tuesday, DayOfWeek.Sunday });
Console.WriteLine(r.ToStringWithStartDateTime());
foreach(DateTime dt in r)
Console.WriteLine(dt);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Changing only WKST from the default MO to SU yields different results:");
r.Reset();
r.StartDateTime = new DateTime(1997, 8, 5, 9, 0, 0);
r.Frequency = RecurFrequency.Weekly;
r.Interval = 2;
r.MaximumOccurrences = 4;
r.WeekStart = DayOfWeek.Sunday;
r.ByDay.AddRange(new[] { DayOfWeek.Tuesday, DayOfWeek.Sunday });
Console.WriteLine(r.ToStringWithStartDateTime());
foreach(DateTime dt in r)
Console.WriteLine(dt);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
// Now do the same one but use the calendar classes to demonstrate the time zone abilities
Console.WriteLine("\n\nThe next part will calculate instances using the calendar classes with " +
"time zone support.\nPress ENTER to continue...");
Console.ReadLine();
// First, set up the time zone information. If you don't care about the time zone, you can skip this
// stuff and everything will be calculated in local time.
VTimeZone vtz = new VTimeZone();
vtz.TimeZoneId.Value = "US-Eastern";
// Set the standard time observance rule
ObservanceRule obr = vtz.ObservanceRules.Add(ObservanceRuleType.Standard);
obr.StartDateTime.DateTimeValue = new DateTime(1970, 10, 25, 2, 0, 0);
obr.OffsetFrom.TimeSpanValue = TimeSpan.FromHours(-4);
obr.OffsetTo.TimeSpanValue = TimeSpan.FromHours(-5);
RRuleProperty rrule = new RRuleProperty();
rrule.Recurrence.RecurYearly(DayOccurrence.Last, DaysOfWeek.Sunday, 10, 1);
obr.RecurrenceRules.Add(rrule);
obr.TimeZoneNames.Add("Eastern Standard Time");
// Set the daylight saving time observance rule
obr = vtz.ObservanceRules.Add(ObservanceRuleType.Daylight);
obr.StartDateTime.DateTimeValue = new DateTime(1970, 4, 5, 2, 0, 0);
obr.OffsetFrom.TimeSpanValue = TimeSpan.FromHours(-5);
obr.OffsetTo.TimeSpanValue = TimeSpan.FromHours(-4);
rrule = new RRuleProperty();
rrule.Recurrence.RecurYearly(DayOccurrence.First, DaysOfWeek.Sunday, 4, 1);
obr.RecurrenceRules.Add(rrule);
obr.TimeZoneNames.Add("Eastern Daylight Time");
VCalendar.TimeZones.Add(vtz);
// Now we'll set up an event to use for the calculations. We don't need a VCalendar object as we are
// just generating recurring instances.
VEvent vevent = new VEvent();
// Add an RRULE property
rrule = new RRuleProperty();
vevent.RecurrenceRules.Add(rrule);
// Get a reference to the recurrence rule property's recurrence and the event's start date property
// for convenience.
r = rrule.Recurrence;
StartDateProperty startDateTime = vevent.StartDateTime;
// Set the time zone of the event's start date to the same ID used for the time zone component above
vevent.StartDateTime.TimeZoneId = "US-Eastern";
//-----------------------------------------------------------------
Console.WriteLine("Daily for 10 occurrences:");
// The start date is set on the event. We use the TimeZoneDateTime property to indicate that the
// date/time is in the time zone. Using DateTimeValue instead would convert the value from local
// time to the time zone.
startDateTime.TimeZoneDateTime = new DateTime(1997, 9, 2, 9, 0, 0);
r.Frequency = RecurFrequency.Daily;
r.MaximumOccurrences = 10;
// Get the instances expressed in the time zone's time and in local time
DateTimeInstanceCollection dtiTZ = vevent.AllInstances(false);
DateTimeInstanceCollection dtiLocal = vevent.AllInstances(true);
Console.Write(startDateTime.ToString());
Console.Write(rrule.ToString());
// We'll just display the start time from each instance. End time and duration info is also present
// in the returned instances.
for(idx = 0; idx < dtiTZ.Count; idx++)
Console.WriteLine("TZ: {0:G} {1} Local: {2:G} {3}", dtiTZ[idx].StartDateTime,
dtiTZ[idx].AbbreviatedStartTimeZoneName, dtiLocal[idx].StartDateTime,
dtiLocal[idx].AbbreviatedStartTimeZoneName);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Daily until December 24, 1997:");
// We'll re-use the same recurrence object. Just reset it first.
r.Reset();
startDateTime.TimeZoneDateTime = new DateTime(1997, 9, 2, 9, 0, 0);
r.Frequency = RecurFrequency.Daily;
// Note that the recurrence rules in an event determine the end date of the event, NOT the EndDate
// (DTEND) property of the event. The end date property on the event simply determines the duration
// of each instance. Another thing to remember is that RecurUntil is specified in Universal Time
// which ends up in local time when recurrence instances are generated. If specify times in another
// time zone, be sure to set the RecurUntil time as a time in that time zone.
r.RecurUntil = new DateTime(1997, 12, 24, 5, 0, 0).ToLocalTime();
dtiTZ = vevent.AllInstances(false);
dtiLocal = vevent.AllInstances(true);
Console.Write(startDateTime.ToString());
Console.Write(rrule.ToString());
for(idx = 0; idx < dtiTZ.Count; idx++)
Console.WriteLine("TZ: {0:G} {1} Local: {2:G} {3}", dtiTZ[idx].StartDateTime,
dtiTZ[idx].AbbreviatedStartTimeZoneName, dtiLocal[idx].StartDateTime,
dtiLocal[idx].AbbreviatedStartTimeZoneName);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Every other day - forever:");
r.Reset();
startDateTime.TimeZoneDateTime = new DateTime(1997, 9, 2, 9, 0, 0);
r.Frequency = RecurFrequency.Daily;
r.Interval = 2;
// We'll limit the output of the "forever" rules by using the InstancesBetween() method to limit the
// output to a range of dates and enumerate the returned DateTimeCollection.
dtiTZ = vevent.InstancesBetween(startDateTime.TimeZoneDateTime, new DateTime(1997, 12, 5), false);
// For local time, the start and end date must be in local time. To match the range in the prior
// call, we use the DateTimeValue property of the start date property and convert a value in
// Universal Time to local time.
dtiLocal = vevent.InstancesBetween(startDateTime.DateTimeValue,
new DateTime(1997, 12, 5, 5, 0, 0).ToLocalTime(), true);
Console.Write(startDateTime.ToString());
Console.Write(rrule.ToString());
for(idx = 0; idx < dtiTZ.Count; idx++)
Console.WriteLine("TZ: {0:G} {1} Local: {2:G} {3}", dtiTZ[idx].StartDateTime,
dtiTZ[idx].AbbreviatedStartTimeZoneName, dtiLocal[idx].StartDateTime,
dtiLocal[idx].AbbreviatedStartTimeZoneName);
Console.WriteLine("... Forever ...\nPress ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Every 10 days, 5 occurrences:");
r.Reset();
startDateTime.TimeZoneDateTime = new DateTime(1997, 9, 2, 9, 0, 0);
r.Frequency = RecurFrequency.Daily;
r.Interval = 10;
r.MaximumOccurrences = 5;
dtiTZ = vevent.AllInstances(false);
dtiLocal = vevent.AllInstances(true);
Console.Write(startDateTime.ToString());
Console.Write(rrule.ToString());
for(idx = 0; idx < dtiTZ.Count; idx++)
Console.WriteLine("TZ: {0:G} {1} Local: {2:G} {3}", dtiTZ[idx].StartDateTime,
dtiTZ[idx].AbbreviatedStartTimeZoneName, dtiLocal[idx].StartDateTime,
dtiLocal[idx].AbbreviatedStartTimeZoneName);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Everyday in January, for 3 years:");
r.Reset();
startDateTime.TimeZoneDateTime = new DateTime(1998, 1, 1, 9, 0, 0);
r.Frequency = RecurFrequency.Yearly;
r.RecurUntil = new DateTime(2000, 1, 31, 14, 0, 0).ToLocalTime();
r.ByMonth.Add(1);
// When adding days without an instance value, you can use the helper method on the collection that
// takes an array of DayOfWeek values rather than constructing an array of DayInstance objects.
r.ByDay.AddRange(new[] { DayOfWeek.Sunday, DayOfWeek.Monday, DayOfWeek.Tuesday, DayOfWeek.Wednesday,
DayOfWeek.Thursday, DayOfWeek.Friday, DayOfWeek.Saturday });
dtiTZ = vevent.AllInstances(false);
dtiLocal = vevent.AllInstances(true);
Console.Write(startDateTime.ToString());
Console.Write(rrule.ToString());
for(idx = 0; idx < dtiTZ.Count; idx++)
Console.WriteLine("TZ: {0:G} {1} Local: {2:G} {3}", dtiTZ[idx].StartDateTime,
dtiTZ[idx].AbbreviatedStartTimeZoneName, dtiLocal[idx].StartDateTime,
dtiLocal[idx].AbbreviatedStartTimeZoneName);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
// Like the last one but using a DAILY frequency
Console.WriteLine("Everyday in January, for 3 years:");
r.Reset();
startDateTime.TimeZoneDateTime = new DateTime(1998, 1, 1, 9, 0, 0);
r.Frequency = RecurFrequency.Daily;
r.RecurUntil = new DateTime(2000, 1, 31, 14, 0, 0).ToLocalTime();
r.ByMonth.Add(1);
dtiTZ = vevent.AllInstances(false);
dtiLocal = vevent.AllInstances(true);
Console.Write(startDateTime.ToString());
Console.Write(rrule.ToString());
for(idx = 0; idx < dtiTZ.Count; idx++)
Console.WriteLine("TZ: {0:G} {1} Local: {2:G} {3}", dtiTZ[idx].StartDateTime,
dtiTZ[idx].AbbreviatedStartTimeZoneName, dtiLocal[idx].StartDateTime,
dtiLocal[idx].AbbreviatedStartTimeZoneName);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Weekly for 10 occurrences:");
r.Reset();
startDateTime.TimeZoneDateTime = new DateTime(1997, 9, 2, 9, 0, 0);
r.Frequency = RecurFrequency.Weekly;
r.MaximumOccurrences = 10;
dtiTZ = vevent.AllInstances(false);
dtiLocal = vevent.AllInstances(true);
Console.Write(startDateTime.ToString());
Console.Write(rrule.ToString());
for(idx = 0; idx < dtiTZ.Count; idx++)
Console.WriteLine("TZ: {0:G} {1} Local: {2:G} {3}", dtiTZ[idx].StartDateTime,
dtiTZ[idx].AbbreviatedStartTimeZoneName, dtiLocal[idx].StartDateTime,
dtiLocal[idx].AbbreviatedStartTimeZoneName);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Weekly until December 24, 1997:");
r.Reset();
startDateTime.TimeZoneDateTime = new DateTime(1997, 9, 2, 9, 0, 0);
r.Frequency = RecurFrequency.Weekly;
r.RecurUntil = new DateTime(1997, 12, 24, 5, 0, 0).ToLocalTime();
dtiTZ = vevent.AllInstances(false);
dtiLocal = vevent.AllInstances(true);
Console.Write(startDateTime.ToString());
Console.Write(rrule.ToString());
for(idx = 0; idx < dtiTZ.Count; idx++)
Console.WriteLine("TZ: {0:G} {1} Local: {2:G} {3}", dtiTZ[idx].StartDateTime,
dtiTZ[idx].AbbreviatedStartTimeZoneName, dtiLocal[idx].StartDateTime,
dtiLocal[idx].AbbreviatedStartTimeZoneName);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Every other week - forever:");
r.Reset();
startDateTime.TimeZoneDateTime = new DateTime(1997, 9, 2, 9, 0, 0);
r.Frequency = RecurFrequency.Weekly;
r.Interval = 2;
r.WeekStart = DayOfWeek.Sunday;
// Not forever for the test
dtiTZ = vevent.InstancesBetween(startDateTime.TimeZoneDateTime, new DateTime(1999, 2, 10), false);
dtiLocal = vevent.InstancesBetween(startDateTime.DateTimeValue,
new DateTime(1999, 2, 10, 5, 0, 0).ToLocalTime(), true);
Console.Write(startDateTime.ToString());
Console.Write(rrule.ToString());
for(idx = 0; idx < dtiTZ.Count; idx++)
Console.WriteLine("TZ: {0:G} {1} Local: {2:G} {3}", dtiTZ[idx].StartDateTime,
dtiTZ[idx].AbbreviatedStartTimeZoneName, dtiLocal[idx].StartDateTime,
dtiLocal[idx].AbbreviatedStartTimeZoneName);
Console.WriteLine("... Forever ...\nPress ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Weekly on Tuesday and Thursday for 5 weeks:");
r.Reset();
startDateTime.TimeZoneDateTime = new DateTime(1997, 9, 2, 9, 0, 0);
r.Frequency = RecurFrequency.Weekly;
r.RecurUntil = new DateTime(1997, 10, 07, 4, 0, 0).ToLocalTime();
r.WeekStart = DayOfWeek.Sunday;
r.ByDay.AddRange(new [] { DayOfWeek.Tuesday, DayOfWeek.Thursday });
dtiTZ = vevent.AllInstances(false);
dtiLocal = vevent.AllInstances(true);
Console.Write(startDateTime.ToString());
Console.Write(rrule.ToString());
for(idx = 0; idx < dtiTZ.Count; idx++)
Console.WriteLine("TZ: {0:G} {1} Local: {2:G} {3}", dtiTZ[idx].StartDateTime,
dtiTZ[idx].AbbreviatedStartTimeZoneName, dtiLocal[idx].StartDateTime,
dtiLocal[idx].AbbreviatedStartTimeZoneName);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
// Like the last one but using a count
Console.WriteLine("Weekly on Tuesday and Thursday for 5 weeks:");
r.Reset();
startDateTime.TimeZoneDateTime = new DateTime(1997, 9, 2, 9, 0, 0);
r.Frequency = RecurFrequency.Weekly;
r.MaximumOccurrences = 10;
r.WeekStart = DayOfWeek.Sunday;
r.ByDay.AddRange(new[] { DayOfWeek.Tuesday, DayOfWeek.Thursday });
dtiTZ = vevent.AllInstances(false);
dtiLocal = vevent.AllInstances(true);
Console.Write(startDateTime.ToString());
Console.Write(rrule.ToString());
for(idx = 0; idx < dtiTZ.Count; idx++)
Console.WriteLine("TZ: {0:G} {1} Local: {2:G} {3}", dtiTZ[idx].StartDateTime,
dtiTZ[idx].AbbreviatedStartTimeZoneName, dtiLocal[idx].StartDateTime,
dtiLocal[idx].AbbreviatedStartTimeZoneName);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
// The inclusion of DTSTART in a recurrence set is a feature of the calendar objects, NOT the
// recurrence engine. So, for this example, the start date will be included.
Console.WriteLine("Every other week on Monday, Wednesday and Friday until December 24, 1997, but " +
"starting on Tuesday, September 2, 1997:");
r.Reset();
startDateTime.TimeZoneDateTime = new DateTime(1997, 9, 2, 9, 0, 0);
r.Frequency = RecurFrequency.Weekly;
r.Interval = 2;
r.WeekStart = DayOfWeek.Sunday;
r.RecurUntil = new DateTime(1997, 12, 24, 5, 0, 0).ToLocalTime();
r.ByDay.AddRange(new[] { DayOfWeek.Monday, DayOfWeek.Wednesday, DayOfWeek.Friday });
dtiTZ = vevent.AllInstances(false);
dtiLocal = vevent.AllInstances(true);
Console.Write(startDateTime.ToString());
Console.Write(rrule.ToString());
for(idx = 0; idx < dtiTZ.Count; idx++)
Console.WriteLine("TZ: {0:G} {1} Local: {2:G} {3}", dtiTZ[idx].StartDateTime,
dtiTZ[idx].AbbreviatedStartTimeZoneName, dtiLocal[idx].StartDateTime,
dtiLocal[idx].AbbreviatedStartTimeZoneName);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Every other week on Tuesday and Thursday, for 8 occurrences:");
r.Reset();
startDateTime.TimeZoneDateTime = new DateTime(1997, 9, 2, 9, 0, 0);
r.Frequency = RecurFrequency.Weekly;
r.Interval = 2;
r.WeekStart = DayOfWeek.Sunday;
r.MaximumOccurrences = 8;
r.ByDay.AddRange(new[] { DayOfWeek.Tuesday, DayOfWeek.Thursday });
dtiTZ = vevent.AllInstances(false);
dtiLocal = vevent.AllInstances(true);
Console.Write(startDateTime.ToString());
Console.Write(rrule.ToString());
for(idx = 0; idx < dtiTZ.Count; idx++)
Console.WriteLine("TZ: {0:G} {1} Local: {2:G} {3}", dtiTZ[idx].StartDateTime,
dtiTZ[idx].AbbreviatedStartTimeZoneName, dtiLocal[idx].StartDateTime,
dtiLocal[idx].AbbreviatedStartTimeZoneName);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Monthly on the 1st Friday for ten occurrences:");
r.Reset();
startDateTime.TimeZoneDateTime = new DateTime(1997, 9, 5, 9, 0, 0);
r.Frequency = RecurFrequency.Monthly;
r.MaximumOccurrences = 10;
// There are also helper methods to add single instances
r.ByDay.Add(1, DayOfWeek.Friday);
dtiTZ = vevent.AllInstances(false);
dtiLocal = vevent.AllInstances(true);
Console.Write(startDateTime.ToString());
Console.Write(rrule.ToString());
for(idx = 0; idx < dtiTZ.Count; idx++)
Console.WriteLine("TZ: {0:G} {1} Local: {2:G} {3}", dtiTZ[idx].StartDateTime,
dtiTZ[idx].AbbreviatedStartTimeZoneName, dtiLocal[idx].StartDateTime,
dtiLocal[idx].AbbreviatedStartTimeZoneName);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Monthly on the 1st Friday until December 24, 1997:");
r.Reset();
startDateTime.TimeZoneDateTime = new DateTime(1997, 9, 5, 9, 0, 0);
r.Frequency = RecurFrequency.Monthly;
r.RecurUntil = new DateTime(1997, 12, 24, 5, 0, 0).ToLocalTime();
r.ByDay.Add(1, DayOfWeek.Friday);
dtiTZ = vevent.AllInstances(false);
dtiLocal = vevent.AllInstances(true);
Console.Write(startDateTime.ToString());
Console.Write(rrule.ToString());
for(idx = 0; idx < dtiTZ.Count; idx++)
Console.WriteLine("TZ: {0:G} {1} Local: {2:G} {3}", dtiTZ[idx].StartDateTime,
dtiTZ[idx].AbbreviatedStartTimeZoneName, dtiLocal[idx].StartDateTime,
dtiLocal[idx].AbbreviatedStartTimeZoneName);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Every other month on the 1st and last Sunday of the month for 10 occurrences:");
r.Reset();
startDateTime.TimeZoneDateTime = new DateTime(1997, 9, 7, 9, 0, 0);
r.Frequency = RecurFrequency.Monthly;
r.Interval = 2;
r.MaximumOccurrences = 10;
r.ByDay.AddRange(new[] { new DayInstance(1, DayOfWeek.Sunday), new DayInstance(-1, DayOfWeek.Sunday) });
dtiTZ = vevent.AllInstances(false);
dtiLocal = vevent.AllInstances(true);
Console.Write(startDateTime.ToString());
Console.Write(rrule.ToString());
for(idx = 0; idx < dtiTZ.Count; idx++)
Console.WriteLine("TZ: {0:G} {1} Local: {2:G} {3}", dtiTZ[idx].StartDateTime,
dtiTZ[idx].AbbreviatedStartTimeZoneName, dtiLocal[idx].StartDateTime,
dtiLocal[idx].AbbreviatedStartTimeZoneName);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Monthly on the second to last Monday of the month for 6 months:");
r.Reset();
startDateTime.TimeZoneDateTime = new DateTime(1997, 9, 22, 9, 0, 0);
r.Frequency = RecurFrequency.Monthly;
r.MaximumOccurrences = 6;
r.ByDay.Add(-2, DayOfWeek.Monday);
dtiTZ = vevent.AllInstances(false);
dtiLocal = vevent.AllInstances(true);
Console.Write(startDateTime.ToString());
Console.Write(rrule.ToString());
for(idx = 0; idx < dtiTZ.Count; idx++)
Console.WriteLine("TZ: {0:G} {1} Local: {2:G} {3}", dtiTZ[idx].StartDateTime,
dtiTZ[idx].AbbreviatedStartTimeZoneName, dtiLocal[idx].StartDateTime,
dtiLocal[idx].AbbreviatedStartTimeZoneName);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Monthly on the third to the last day of the month, forever:");
r.Reset();
startDateTime.TimeZoneDateTime = new DateTime(1997, 9, 28, 9, 0, 0);
r.Frequency = RecurFrequency.Monthly;
r.ByMonthDay.Add(-3);
// Not forever for the test
dtiTZ = vevent.InstancesBetween(startDateTime.TimeZoneDateTime, new DateTime(1998, 2, 28), false);
dtiLocal = vevent.InstancesBetween(startDateTime.DateTimeValue,
new DateTime(1998, 2, 28, 5, 0, 0).ToLocalTime(), true);
Console.Write(startDateTime.ToString());
Console.Write(rrule.ToString());
for(idx = 0; idx < dtiTZ.Count; idx++)
Console.WriteLine("TZ: {0:G} {1} Local: {2:G} {3}", dtiTZ[idx].StartDateTime,
dtiTZ[idx].AbbreviatedStartTimeZoneName, dtiLocal[idx].StartDateTime,
dtiLocal[idx].AbbreviatedStartTimeZoneName);
Console.WriteLine("... Forever ...\nPress ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Monthly on the 2nd and 15th of the month for 10 occurrences:");
r.Reset();
startDateTime.TimeZoneDateTime = new DateTime(1997, 9, 2, 9, 0, 0);
r.Frequency = RecurFrequency.Monthly;
r.MaximumOccurrences = 10;
r.ByMonthDay.AddRange(new[] { 2, 15 });
dtiTZ = vevent.AllInstances(false);
dtiLocal = vevent.AllInstances(true);
Console.Write(startDateTime.ToString());
Console.Write(rrule.ToString());
for(idx = 0; idx < dtiTZ.Count; idx++)
Console.WriteLine("TZ: {0:G} {1} Local: {2:G} {3}", dtiTZ[idx].StartDateTime,
dtiTZ[idx].AbbreviatedStartTimeZoneName, dtiLocal[idx].StartDateTime,
dtiLocal[idx].AbbreviatedStartTimeZoneName);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Monthly on the first and last day of the month for 10 occurrences:");
r.Reset();
startDateTime.TimeZoneDateTime = new DateTime(1997, 9, 30, 9, 0, 0);
r.Frequency = RecurFrequency.Monthly;
r.MaximumOccurrences = 10;
r.ByMonthDay.AddRange(new[] { 1, -1 });
dtiTZ = vevent.AllInstances(false);
dtiLocal = vevent.AllInstances(true);
Console.Write(startDateTime.ToString());
Console.Write(rrule.ToString());
for(idx = 0; idx < dtiTZ.Count; idx++)
Console.WriteLine("TZ: {0:G} {1} Local: {2:G} {3}", dtiTZ[idx].StartDateTime,
dtiTZ[idx].AbbreviatedStartTimeZoneName, dtiLocal[idx].StartDateTime,
dtiLocal[idx].AbbreviatedStartTimeZoneName);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Every 18 months on the 10th through 15th of the month for 10 occurrences:");
r.Reset();
startDateTime.TimeZoneDateTime = new DateTime(1997, 9, 10, 9, 0, 0);
r.Frequency = RecurFrequency.Monthly;
r.Interval = 18;
r.MaximumOccurrences = 10;
r.ByMonthDay.AddRange(new[] { 10, 11, 12, 13, 14, 15 });
dtiTZ = vevent.AllInstances(false);
dtiLocal = vevent.AllInstances(true);
Console.Write(startDateTime.ToString());
Console.Write(rrule.ToString());
for(idx = 0; idx < dtiTZ.Count; idx++)
Console.WriteLine("TZ: {0:G} {1} Local: {2:G} {3}", dtiTZ[idx].StartDateTime,
dtiTZ[idx].AbbreviatedStartTimeZoneName, dtiLocal[idx].StartDateTime,
dtiLocal[idx].AbbreviatedStartTimeZoneName);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Every Tuesday, every other month:");
r.Reset();
startDateTime.TimeZoneDateTime = new DateTime(1997, 9, 2, 9, 0, 0);
r.Frequency = RecurFrequency.Monthly;
r.Interval = 2;
r.ByDay.Add(DayOfWeek.Tuesday);
// Not forever for the test
dtiTZ = vevent.InstancesBetween(startDateTime.TimeZoneDateTime, new DateTime(1998, 4, 1), false);
dtiLocal = vevent.InstancesBetween(startDateTime.DateTimeValue,
new DateTime(1998, 4, 1, 5, 0, 0).ToLocalTime(), true);
Console.Write(startDateTime.ToString());
Console.Write(rrule.ToString());
for(idx = 0; idx < dtiTZ.Count; idx++)
Console.WriteLine("TZ: {0:G} {1} Local: {2:G} {3}", dtiTZ[idx].StartDateTime,
dtiTZ[idx].AbbreviatedStartTimeZoneName, dtiLocal[idx].StartDateTime,
dtiLocal[idx].AbbreviatedStartTimeZoneName);
Console.WriteLine("... Forever ...\nPress ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Yearly in June and July for 10 occurrences:");
r.Reset();
startDateTime.TimeZoneDateTime = new DateTime(1997, 6, 10, 9, 0, 0);
r.Frequency = RecurFrequency.Yearly;
r.MaximumOccurrences = 10;
r.ByMonth.AddRange(new[] { 6, 7 });
dtiTZ = vevent.AllInstances(false);
dtiLocal = vevent.AllInstances(true);
Console.Write(startDateTime.ToString());
Console.Write(rrule.ToString());
for(idx = 0; idx < dtiTZ.Count; idx++)
Console.WriteLine("TZ: {0:G} {1} Local: {2:G} {3}", dtiTZ[idx].StartDateTime,
dtiTZ[idx].AbbreviatedStartTimeZoneName, dtiLocal[idx].StartDateTime,
dtiLocal[idx].AbbreviatedStartTimeZoneName);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Every other year in January, February, and March for 10 occurrences:");
r.Reset();
startDateTime.TimeZoneDateTime = new DateTime(1997, 3, 10, 9, 0, 0);
r.Frequency = RecurFrequency.Yearly;
r.Interval = 2;
r.MaximumOccurrences = 10;
r.ByMonth.AddRange(new[] { 1, 2, 3 });
dtiTZ = vevent.AllInstances(false);
dtiLocal = vevent.AllInstances(true);
Console.Write(startDateTime.ToString());
Console.Write(rrule.ToString());
for(idx = 0; idx < dtiTZ.Count; idx++)
Console.WriteLine("TZ: {0:G} {1} Local: {2:G} {3}", dtiTZ[idx].StartDateTime,
dtiTZ[idx].AbbreviatedStartTimeZoneName, dtiLocal[idx].StartDateTime,
dtiLocal[idx].AbbreviatedStartTimeZoneName);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Every 3rd year on the 1st, 100th and 200th day for 10 occurrences:");
r.Reset();
startDateTime.TimeZoneDateTime = new DateTime(1997, 1, 1, 9, 0, 0);
r.Frequency = RecurFrequency.Yearly;
r.Interval = 3;
r.MaximumOccurrences = 10;
r.ByYearDay.AddRange(new[] { 1, 100, 200 });
dtiTZ = vevent.AllInstances(false);
dtiLocal = vevent.AllInstances(true);
Console.Write(startDateTime.ToString());
Console.Write(rrule.ToString());
for(idx = 0; idx < dtiTZ.Count; idx++)
Console.WriteLine("TZ: {0:G} {1} Local: {2:G} {3}", dtiTZ[idx].StartDateTime,
dtiTZ[idx].AbbreviatedStartTimeZoneName, dtiLocal[idx].StartDateTime,
dtiLocal[idx].AbbreviatedStartTimeZoneName);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Every 20th Monday of the year, forever:");
r.Reset();
startDateTime.TimeZoneDateTime = new DateTime(1997, 5, 19, 9, 0, 0);
r.Frequency = RecurFrequency.Yearly;
r.ByDay.Add(20, DayOfWeek.Monday);
// Not forever for the test
dtiTZ = vevent.InstancesBetween(startDateTime.TimeZoneDateTime, new DateTime(2004, 5, 19), false);
dtiLocal = vevent.InstancesBetween(startDateTime.DateTimeValue,
new DateTime(2004, 5, 19, 4, 0, 0).ToLocalTime(), true);
Console.Write(startDateTime.ToString());
Console.Write(rrule.ToString());
for(idx = 0; idx < dtiTZ.Count; idx++)
Console.WriteLine("TZ: {0:G} {1} Local: {2:G} {3}", dtiTZ[idx].StartDateTime,
dtiTZ[idx].AbbreviatedStartTimeZoneName, dtiLocal[idx].StartDateTime,
dtiLocal[idx].AbbreviatedStartTimeZoneName);
Console.WriteLine("... Forever ...\nPress ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Monday of week number 20 (where the default start of the week is Monday), forever:");
r.Reset();
startDateTime.TimeZoneDateTime = new DateTime(1997, 5, 12, 9, 0, 0);
r.Frequency = RecurFrequency.Yearly;
r.ByWeekNo.Add(20);
r.ByDay.Add(DayOfWeek.Monday);
// Not forever for the test
dtiTZ = vevent.InstancesBetween(startDateTime.TimeZoneDateTime, new DateTime(2004, 5, 19), false);
dtiLocal = vevent.InstancesBetween(startDateTime.DateTimeValue,
new DateTime(2004, 5, 19, 4, 0, 0).ToLocalTime(), true);
Console.Write(startDateTime.ToString());
Console.Write(rrule.ToString());
for(idx = 0; idx < dtiTZ.Count; idx++)
Console.WriteLine("TZ: {0:G} {1} Local: {2:G} {3}", dtiTZ[idx].StartDateTime,
dtiTZ[idx].AbbreviatedStartTimeZoneName, dtiLocal[idx].StartDateTime,
dtiLocal[idx].AbbreviatedStartTimeZoneName);
Console.WriteLine("... Forever ...\nPress ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Every Thursday in March, forever:");
r.Reset();
startDateTime.TimeZoneDateTime = new DateTime(1997, 3, 13, 9, 0, 0);
r.Frequency = RecurFrequency.Yearly;
r.ByMonth.Add(3);
r.ByDay.Add(DayOfWeek.Thursday);
// Not forever for the test
dtiTZ = vevent.InstancesBetween(startDateTime.TimeZoneDateTime, new DateTime(1999, 4, 1), false);
dtiLocal = vevent.InstancesBetween(startDateTime.DateTimeValue,
new DateTime(1999, 4, 1, 5, 0, 0).ToLocalTime(), true);
Console.Write(startDateTime.ToString());
Console.Write(rrule.ToString());
for(idx = 0; idx < dtiTZ.Count; idx++)
Console.WriteLine("TZ: {0:G} {1} Local: {2:G} {3}", dtiTZ[idx].StartDateTime,
dtiTZ[idx].AbbreviatedStartTimeZoneName, dtiLocal[idx].StartDateTime,
dtiLocal[idx].AbbreviatedStartTimeZoneName);
Console.WriteLine("... Forever ...\nPress ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Every Thursday, but only during June, July, and August, forever:");
r.Reset();
startDateTime.TimeZoneDateTime = new DateTime(1997, 6, 5, 9, 0, 0);
r.Frequency = RecurFrequency.Yearly;
r.ByMonth.AddRange(new[] { 6, 7, 8 });
r.ByDay.Add(DayOfWeek.Thursday);
// Not forever for the test
dtiTZ = vevent.InstancesBetween(startDateTime.TimeZoneDateTime, new DateTime(1999, 9, 1), false);
dtiLocal = vevent.InstancesBetween(startDateTime.DateTimeValue,
new DateTime(1999, 9, 1, 4, 0, 0).ToLocalTime(), true);
Console.Write(startDateTime.ToString());
Console.Write(rrule.ToString());
for(idx = 0; idx < dtiTZ.Count; idx++)
Console.WriteLine("TZ: {0:G} {1} Local: {2:G} {3}", dtiTZ[idx].StartDateTime,
dtiTZ[idx].AbbreviatedStartTimeZoneName, dtiLocal[idx].StartDateTime,
dtiLocal[idx].AbbreviatedStartTimeZoneName);
Console.WriteLine("... Forever ...\nPress ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Every Friday the 13th, forever:");
r.Reset();
startDateTime.TimeZoneDateTime = new DateTime(1997, 9, 2, 9, 0, 0);
r.Frequency = RecurFrequency.Monthly;
r.ByDay.Add(DayOfWeek.Friday);
r.ByMonthDay.Add(13);
// This one uses an EXDATE property to remove the starting date
ExDateProperty exdate = vevent.ExceptionDates.Add(startDateTime.TimeZoneDateTime);
exdate.TimeZoneId = startDateTime.TimeZoneId;
// Not forever for the test
dtiTZ = vevent.InstancesBetween(startDateTime.TimeZoneDateTime, new DateTime(2003, 12, 31), false);
dtiLocal = vevent.InstancesBetween(startDateTime.DateTimeValue,
new DateTime(2003, 12, 31, 5, 0, 0).ToLocalTime(), true);
Console.Write(startDateTime.ToString());
Console.Write(exdate.ToString());
Console.Write(rrule.ToString());
for(idx = 0; idx < dtiTZ.Count; idx++)
Console.WriteLine("TZ: {0:G} {1} Local: {2:G} {3}", dtiTZ[idx].StartDateTime,
dtiTZ[idx].AbbreviatedStartTimeZoneName, dtiLocal[idx].StartDateTime,
dtiLocal[idx].AbbreviatedStartTimeZoneName);
Console.WriteLine("... Forever ...\nPress ENTER to continue...");
Console.ReadLine();
// Clear the exception date
vevent.ExceptionDates.Clear();
//-----------------------------------------------------------------
Console.WriteLine("The first Saturday that follows the first Sunday of the month, forever:");
r.Reset();
startDateTime.TimeZoneDateTime = new DateTime(1997, 9, 13, 9, 0, 0);
r.Frequency = RecurFrequency.Monthly;
r.ByDay.Add(DayOfWeek.Saturday);
r.ByMonthDay.AddRange(new[] { 7, 8, 9, 10, 11, 12, 13 });
// Not forever for the test
dtiTZ = vevent.InstancesBetween(startDateTime.TimeZoneDateTime, new DateTime(1998, 7, 1), false);
dtiLocal = vevent.InstancesBetween(startDateTime.DateTimeValue,
new DateTime(1998, 7, 1, 4, 0, 0).ToLocalTime(), true);
Console.Write(startDateTime.ToString());
Console.Write(rrule.ToString());
for(idx = 0; idx < dtiTZ.Count; idx++)
Console.WriteLine("TZ: {0:G} {1} Local: {2:G} {3}", dtiTZ[idx].StartDateTime,
dtiTZ[idx].AbbreviatedStartTimeZoneName, dtiLocal[idx].StartDateTime,
dtiLocal[idx].AbbreviatedStartTimeZoneName);
Console.WriteLine("... Forever ...\nPress ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Every four years, the first Tuesday after a Monday in November, forever (U.S. " +
"Presidential Election day):");
r.Reset();
startDateTime.TimeZoneDateTime = new DateTime(1996, 11, 5, 9, 0, 0);
r.Frequency = RecurFrequency.Yearly;
r.Interval = 4;
r.ByMonth.Add(11);
r.ByDay.Add(DayOfWeek.Tuesday);
r.ByMonthDay.AddRange(new[] { 2, 3, 4, 5, 6, 7, 8 });
// Not forever for the test
dtiTZ = vevent.InstancesBetween(startDateTime.TimeZoneDateTime, new DateTime(2004, 11, 3), false);
dtiLocal = vevent.InstancesBetween(startDateTime.DateTimeValue,
new DateTime(2004, 11, 3, 5, 0, 0).ToLocalTime(), true);
Console.Write(startDateTime.ToString());
Console.Write(rrule.ToString());
for(idx = 0; idx < dtiTZ.Count; idx++)
Console.WriteLine("TZ: {0:G} {1} Local: {2:G} {3}", dtiTZ[idx].StartDateTime,
dtiTZ[idx].AbbreviatedStartTimeZoneName, dtiLocal[idx].StartDateTime,
dtiLocal[idx].AbbreviatedStartTimeZoneName);
Console.WriteLine("... Forever ...\nPress ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("The 3rd instance into the month of one of Tuesday, Wednesday or Thursday, for " +
"the next 3 months:");
r.Reset();
startDateTime.TimeZoneDateTime = new DateTime(1997, 9, 4, 9, 0, 0);
r.Frequency = RecurFrequency.Monthly;
r.MaximumOccurrences = 3;
r.BySetPos.Add(3);
r.ByDay.AddRange(new[] { DayOfWeek.Tuesday, DayOfWeek.Wednesday, DayOfWeek.Thursday });
dtiTZ = vevent.AllInstances(false);
dtiLocal = vevent.AllInstances(true);
Console.Write(startDateTime.ToString());
Console.Write(rrule.ToString());
for(idx = 0; idx < dtiTZ.Count; idx++)
Console.WriteLine("TZ: {0:G} {1} Local: {2:G} {3}", dtiTZ[idx].StartDateTime,
dtiTZ[idx].AbbreviatedStartTimeZoneName, dtiLocal[idx].StartDateTime,
dtiLocal[idx].AbbreviatedStartTimeZoneName);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("The 2nd to last weekday of the month:");
r.Reset();
startDateTime.TimeZoneDateTime = new DateTime(1997, 9, 29, 9, 0, 0);
r.Frequency = RecurFrequency.Monthly;
r.BySetPos.Add(-2);
r.ByDay.AddRange(new[] { DayOfWeek.Monday, DayOfWeek.Tuesday, DayOfWeek.Wednesday,
DayOfWeek.Thursday, DayOfWeek.Friday });
// Not forever for the test
dtiTZ = vevent.InstancesBetween(startDateTime.TimeZoneDateTime, new DateTime(1998, 9, 29), false);
dtiLocal = vevent.InstancesBetween(startDateTime.DateTimeValue,
new DateTime(1998, 9, 29, 4, 0, 0).ToLocalTime(), true);
Console.Write(startDateTime.ToString());
Console.Write(rrule.ToString());
for(idx = 0; idx < dtiTZ.Count; idx++)
Console.WriteLine("TZ: {0:G} {1} Local: {2:G} {3}", dtiTZ[idx].StartDateTime,
dtiTZ[idx].AbbreviatedStartTimeZoneName, dtiLocal[idx].StartDateTime,
dtiLocal[idx].AbbreviatedStartTimeZoneName);
Console.WriteLine("... Forever ...\nPress ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Every 3 hours from 9:00 AM to 5:00 PM on a specific day:");
r.Reset();
startDateTime.TimeZoneDateTime = new DateTime(1997, 9, 2, 9, 0, 0);
r.Frequency = RecurFrequency.Hourly;
r.Interval = 3;
r.RecurUntil = new DateTime(1997, 9, 2, 21, 0, 0).ToLocalTime();
dtiTZ = vevent.AllInstances(false);
dtiLocal = vevent.AllInstances(true);
Console.Write(startDateTime.ToString());
Console.Write(rrule.ToString());
for(idx = 0; idx < dtiTZ.Count; idx++)
Console.WriteLine("TZ: {0:G} {1} Local: {2:G} {3}", dtiTZ[idx].StartDateTime,
dtiTZ[idx].AbbreviatedStartTimeZoneName, dtiLocal[idx].StartDateTime,
dtiLocal[idx].AbbreviatedStartTimeZoneName);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Every 15 minutes for 6 occurrences:");
r.Reset();
startDateTime.TimeZoneDateTime = new DateTime(1997, 9, 2, 9, 0, 0);
r.Frequency = RecurFrequency.Minutely;
r.Interval = 15;
r.MaximumOccurrences = 6;
dtiTZ = vevent.AllInstances(false);
dtiLocal = vevent.AllInstances(true);
Console.Write(startDateTime.ToString());
Console.Write(rrule.ToString());
for(idx = 0; idx < dtiTZ.Count; idx++)
Console.WriteLine("TZ: {0:G} {1} Local: {2:G} {3}", dtiTZ[idx].StartDateTime,
dtiTZ[idx].AbbreviatedStartTimeZoneName, dtiLocal[idx].StartDateTime,
dtiLocal[idx].AbbreviatedStartTimeZoneName);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Every hour and a half for 4 occurrences:");
r.Reset();
startDateTime.TimeZoneDateTime = new DateTime(1997, 9, 2, 9, 0, 0);
r.Frequency = RecurFrequency.Minutely;
r.Interval = 90;
r.MaximumOccurrences = 4;
dtiTZ = vevent.AllInstances(false);
dtiLocal = vevent.AllInstances(true);
Console.Write(startDateTime.ToString());
Console.Write(rrule.ToString());
for(idx = 0; idx < dtiTZ.Count; idx++)
Console.WriteLine("TZ: {0:G} {1} Local: {2:G} {3}", dtiTZ[idx].StartDateTime,
dtiTZ[idx].AbbreviatedStartTimeZoneName, dtiLocal[idx].StartDateTime,
dtiLocal[idx].AbbreviatedStartTimeZoneName);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Every 20 minutes from 9:00 AM to 4:40 PM every day:");
r.Reset();
startDateTime.TimeZoneDateTime = new DateTime(1997, 9, 2, 9, 0, 0);
r.Frequency = RecurFrequency.Daily;
r.ByHour.AddRange(new[] { 9, 10, 11, 12, 13, 14, 15, 16 });
r.ByMinute.AddRange( new[] { 0, 20, 40 });
// Not forever for the test
dtiTZ = vevent.InstancesBetween(startDateTime.TimeZoneDateTime, new DateTime(1997, 9, 4), false);
dtiLocal = vevent.InstancesBetween(startDateTime.DateTimeValue,
new DateTime(1997, 9, 4, 4, 0, 0).ToLocalTime(), true);
Console.Write(startDateTime.ToString());
Console.Write(rrule.ToString());
for(idx = 0; idx < dtiTZ.Count; idx++)
Console.WriteLine("TZ: {0:G} {1} Local: {2:G} {3}", dtiTZ[idx].StartDateTime,
dtiTZ[idx].AbbreviatedStartTimeZoneName, dtiLocal[idx].StartDateTime,
dtiLocal[idx].AbbreviatedStartTimeZoneName);
Console.WriteLine("... Forever ...\nPress ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
// Like the last one but with a MINUTELY frequency
Console.WriteLine("Every 20 minutes from 9:00 AM to 4:40 PM every day:");
r.Reset();
startDateTime.TimeZoneDateTime = new DateTime(1997, 9, 2, 9, 0, 0);
r.Frequency = RecurFrequency.Minutely;
r.Interval = 20;
r.ByHour.AddRange(new[] { 9, 10, 11, 12, 13, 14, 15, 16 });
// Not forever for the test
dtiTZ = vevent.InstancesBetween(startDateTime.TimeZoneDateTime, new DateTime(1997, 9, 4), false);
dtiLocal = vevent.InstancesBetween(startDateTime.DateTimeValue,
new DateTime(1997, 9, 4, 4, 0, 0).ToLocalTime(), true);
Console.Write(startDateTime.ToString());
Console.Write(rrule.ToString());
for(idx = 0; idx < dtiTZ.Count; idx++)
Console.WriteLine("TZ: {0:G} {1} Local: {2:G} {3}", dtiTZ[idx].StartDateTime,
dtiTZ[idx].AbbreviatedStartTimeZoneName, dtiLocal[idx].StartDateTime,
dtiLocal[idx].AbbreviatedStartTimeZoneName);
Console.WriteLine("... Forever ...\nPress ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("An example where the days generated makes a difference because of WKST:");
r.Reset();
startDateTime.TimeZoneDateTime = new DateTime(1997, 8, 5, 9, 0, 0);
r.Frequency = RecurFrequency.Weekly;
r.Interval = 2;
r.MaximumOccurrences = 4;
r.ByDay.AddRange(new[] { DayOfWeek.Tuesday, DayOfWeek.Sunday });
dtiTZ = vevent.AllInstances(false);
dtiLocal = vevent.AllInstances(true);
Console.Write(startDateTime.ToString());
Console.Write(rrule.ToString());
for(idx = 0; idx < dtiTZ.Count; idx++)
Console.WriteLine("TZ: {0:G} {1} Local: {2:G} {3}", dtiTZ[idx].StartDateTime,
dtiTZ[idx].AbbreviatedStartTimeZoneName, dtiLocal[idx].StartDateTime,
dtiLocal[idx].AbbreviatedStartTimeZoneName);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
//-----------------------------------------------------------------
Console.WriteLine("Changing only WKST from the default MO to SU yields different results:");
r.Reset();
startDateTime.TimeZoneDateTime = new DateTime(1997, 8, 5, 9, 0, 0);
r.Frequency = RecurFrequency.Weekly;
r.Interval = 2;
r.MaximumOccurrences = 4;
r.WeekStart = DayOfWeek.Sunday;
r.ByDay.AddRange(new[] { DayOfWeek.Tuesday, DayOfWeek.Sunday });
dtiTZ = vevent.AllInstances(false);
dtiLocal = vevent.AllInstances(true);
Console.Write(startDateTime.ToString());
Console.Write(rrule.ToString());
for(idx = 0; idx < dtiTZ.Count; idx++)
Console.WriteLine("TZ: {0:G} {1} Local: {2:G} {3}", dtiTZ[idx].StartDateTime,
dtiTZ[idx].AbbreviatedStartTimeZoneName, dtiLocal[idx].StartDateTime,
dtiLocal[idx].AbbreviatedStartTimeZoneName);
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
}
/// <summary>
/// Add a new time zone component
/// </summary>
/// <param name="sender">The sender of the event</param>
/// <param name="e">The event arguments</param>
private void btnAdd_Click(object sender, EventArgs e)
{
using(VTimeZoneDlg dlg = new VTimeZoneDlg())
{
if(dlg.ShowDialog() == DialogResult.OK)
{
VTimeZone tz = new VTimeZone();
dlg.GetValues(tz);
VCalendar.TimeZones.Add(tz);
wasModified = true;
LoadGridWithItems();
}
}
}