/// <summary>
/// Creates a new SerializableTimeZone instance for the time zone defined by
/// the supplied time zone information (Listing B-19)
/// </summary>
/// <param name="tzri">Time zone information in the form of a
/// TimeZoneRegistryInformation structure</param>
/// <returns>New SerializableTimeZone instance that can be set on the TimeZone
/// property of a GetUserAvailabilityRequestType instance</returns>
///
public static SerializableTimeZone CreateSerializableTimeZoneFromRegistryInformation(
TimeZoneRegistryInformation tzri)
{
// Go to the registry and read the TZI value from the timeZoneName
// specified
//
Microsoft.Win32.RegistryKey tzCollection =
Microsoft.Win32.Registry.LocalMachine.OpenSubKey(_regTzCollection);
// Verify the supplied timeZoneName is present
//
bool keyMatch = false;
foreach (string keyName in tzCollection.GetSubKeyNames())
{
if (0 == String.Compare(tzri.KeyName, keyName))
{
keyMatch = true;
break;
}
}
if (!keyMatch)
{
throw new ArgumentException("The specified time zone key \"" +
tzri.KeyName + "\" was not found in the registry.");
}
// timeZoneName supplied is valid, starts constructing our TimeZoneType
SerializableTimeZone tzReturn = new SerializableTimeZone();
// The description of time zone information is stored in the TZI regkey
// value as a byte array. For more information on the format of this regkey
// value see
// http://msdn2.microsoft.com/en-us/library/ms725481.aspx
//
Byte[] tzByteArray = tzri.TimeZoneByteArray;
// Populate the t:Bias portion of the t:SerializableTimeZone, which is just
// the BaseOffset in minutes
//
tzReturn.Bias = tzri.BaseOffsetInMinutes;
TimeChangeInfoConverter stdTimeZoneInfo =
new TimeChangeInfoConverter(tzByteArray, 12);
tzReturn.StandardTime = new SerializableTimeZoneTime();
tzReturn.DaylightTime = new SerializableTimeZoneTime();
// Unlike the TimeZoneType (used for CalendarItems), the
// SerializableTimeZone type requires full descriptons of STD and DLT
// structures, even if that Time Zone doesn't adhere to Daylight Savings
// Time. To accomidate this, we will set the Bias of each structure to
// zero, and supply TZ info that defines DST as happening as little
// as possible.
//
if (stdTimeZoneInfo.IsValidTZChangeInfo)
{
tzReturn.StandardTime.Bias = tzri.StandardOffsetInMinutes;
tzReturn.StandardTime.Time = stdTimeZoneInfo.TimeAsXsTime;
tzReturn.StandardTime.DayOrder = stdTimeZoneInfo.DayOrder;
tzReturn.StandardTime.Month = stdTimeZoneInfo.Month;
tzReturn.StandardTime.DayOfWeek = stdTimeZoneInfo.DayOfWeek;
}
else
{
tzReturn.StandardTime.Bias = 0;
tzReturn.StandardTime.Time = "00:00:00";
tzReturn.StandardTime.DayOrder = 1;
tzReturn.StandardTime.Month = 1;
tzReturn.StandardTime.DayOfWeek = "Sunday";
}
TimeChangeInfoConverter dltTimeZoneInfo =
new TimeChangeInfoConverter(tzByteArray, 28);
if (dltTimeZoneInfo.IsValidTZChangeInfo)
{
tzReturn.DaylightTime.Bias = tzri.DaylightOffsetInMinutes;
tzReturn.DaylightTime.Time = dltTimeZoneInfo.TimeAsXsTime;
tzReturn.DaylightTime.DayOrder = dltTimeZoneInfo.DayOrder;
tzReturn.DaylightTime.Month = dltTimeZoneInfo.Month;
tzReturn.DaylightTime.DayOfWeek = dltTimeZoneInfo.DayOfWeek;
}
else
{
tzReturn.DaylightTime.Bias = 0;
tzReturn.DaylightTime.Time = "23:59:59";
tzReturn.DaylightTime.DayOrder = 5;
tzReturn.DaylightTime.Month = 12;
tzReturn.DaylightTime.DayOfWeek = "Sunday";
}
// This return value can now be set as the TimeZone property value
// on a GetUserAvailabilityRequest instance
//
return tzReturn;
}
/// <summary>
/// Creates a new TimeZoneType instance for the time zone defined by the
/// supplied time zone information (Listing B-18)
/// </summary>
/// <param name="tzri">Time zone information in the form of a
/// TimeZoneRegistryInformation structure</param>
/// <returns>New TimeZoneType instance that can be set on the MeetingTimeZone
/// property of a CalendarItemType instance</returns>
public static TimeZoneType CreateTimeZoneTypeFromRegistryInformation(TimeZoneRegistryInformation tzri)
{
// Go to the registry and read the TZI value from the timeZoneName
// specified
//
Microsoft.Win32.RegistryKey tzCollection =
Microsoft.Win32.Registry.LocalMachine.OpenSubKey(_regTzCollection);
// Verify the supplied timeZoneName is present
//
bool keyMatch = false;
foreach (string keyName in tzCollection.GetSubKeyNames())
{
if (0 == String.Compare(tzri.KeyName, keyName))
{
keyMatch = true;
break;
}
}
if (!keyMatch)
{
throw new ArgumentException("The specified time zone key \"" +
tzri.KeyName + "\" was not found in the registry.");
}
// timeZoneName supplied is valid, starts constructing our TimeZoneType
TimeZoneType tzReturn = new TimeZoneType();
tzReturn.TimeZoneName = tzri.KeyName;
// The description of time zone information is stored in the TZI regkey
// value as a byte array. For more information on the format of this regkey
// value see
// http://msdn2.microsoft.com/en-us/library/ms725481.aspx
//
Byte[] tzByteArray = tzri.TimeZoneByteArray;
// Populate the t:BaseOffset portion of the t:TimeZoneType
//
tzReturn.BaseOffset =
DateTimeHelpers.TimeSpanToXSDuration(new TimeSpan(0, tzri.BaseOffsetInMinutes, 0));
// Not all timezones require Standard and Daylight transitions times
// (Arizona Time Zone for example does not), the TimeChangeInfoConverter
// class will indicate this via the isValidTZChangeInfo property, if that
// property is false, then there is no need to set the Daylight and
// Standard properties of our t:TimeZoneType
//
TimeChangeInfoConverter stdTimeZoneInfo =
new TimeChangeInfoConverter(tzByteArray, 12);
if (stdTimeZoneInfo.IsValidTZChangeInfo)
{
tzReturn.Standard = new TimeChangeType();
tzReturn.Standard.Offset = DateTimeHelpers.TimeSpanToXSDuration(
new TimeSpan(0, tzri.StandardOffsetInMinutes, 0));
tzReturn.Standard.Item = stdTimeZoneInfo.YearlyPatternDescription;
tzReturn.Standard.Time = stdTimeZoneInfo.Time;
tzReturn.Standard.TimeZoneName = tzri.StandardName;
}
TimeChangeInfoConverter dltTimeZoneInfo =
new TimeChangeInfoConverter(tzByteArray, 28);
if (dltTimeZoneInfo.IsValidTZChangeInfo)
{
tzReturn.Daylight = new TimeChangeType();
tzReturn.Daylight.Offset = DateTimeHelpers.TimeSpanToXSDuration(
new TimeSpan(0, tzri.DaylightOffsetInMinutes, 0));
tzReturn.Daylight.Item = dltTimeZoneInfo.YearlyPatternDescription;
tzReturn.Daylight.Time = dltTimeZoneInfo.Time;
tzReturn.Daylight.TimeZoneName = tzri.DaylightName;
}
// This return value can now be set as the MeetingTimeZone property
// value on a t:CalendarItem type
//
return tzReturn;
}