/// <include file='doc\MonthCalendar.uex' path='docs/doc[@for="MonthCalendar.WmDateBold"]/*' />
/// <devdoc>
/// Handles the MCN_GETDAYSTATE notification
/// </devdoc>
/// <internalonly/>
private void WmDateBold(ref Message m) {
NativeMethods.NMDAYSTATE nmmcds = (NativeMethods.NMDAYSTATE)m.GetLParam(typeof(NativeMethods.NMDAYSTATE));
DateTime start = DateTimePicker.SysTimeToDateTime(nmmcds.stStart);
DateBoldEventArgs boldEvent = new DateBoldEventArgs(start, nmmcds.cDayState);
BoldDates(boldEvent);
mdsBuffer = RequestBuffer(boldEvent.Size);
// copy boldEvent into mdsBuffer
Marshal.Copy(boldEvent.DaysToBold, 0, mdsBuffer, boldEvent.Size);
// now we replug DateBoldEventArgs info into NMDAYSTATE
nmmcds.prgDayState = mdsBuffer;
Marshal.StructureToPtr(nmmcds, m.LParam, false);
}
/// <include file='doc\MonthCalendar.uex' path='docs/doc[@for="MonthCalendar.BoldDates"]/*' />
/// <devdoc>
/// Event handler that bolds dates indicated by arrayOfDates
/// </devdoc>
/// <internalonly/>
private void BoldDates(DateBoldEventArgs e) {
int months = e.Size;
e.DaysToBold = new int[months];
SelectionRange range = GetDisplayRange(false);
int startMonth = range.Start.Month;
int startYear = range.Start.Year;
int numDates = arrayOfDates.Count;
for (int i=0; i<numDates; ++i) {
DateTime date = (DateTime) arrayOfDates[i];
if (DateTime.Compare(date, range.Start) >= 0 && DateTime.Compare(date, range.End) <= 0) {
int month = date.Month;
int year = date.Year;
int index = (year == startYear) ? month - startMonth : month + year*MONTHS_IN_YEAR - startYear*MONTHS_IN_YEAR - startMonth;
e.DaysToBold[index] |= (0x00000001<<(date.Day-1));
}
}
//now we figure out which monthly and annual dates to bold
--startMonth;
for (int i=0; i<months; ++i, ++startMonth)
e.DaysToBold[i] |= monthsOfYear[startMonth % MONTHS_IN_YEAR] | datesToBoldMonthly;
}
private void WmDateBold(ref Message m)
{
System.Windows.Forms.NativeMethods.NMDAYSTATE lParam = (System.Windows.Forms.NativeMethods.NMDAYSTATE) m.GetLParam(typeof(System.Windows.Forms.NativeMethods.NMDAYSTATE));
DateBoldEventArgs e = new DateBoldEventArgs(DateTimePicker.SysTimeToDateTime(lParam.stStart), lParam.cDayState);
this.BoldDates(e);
this.mdsBuffer = this.RequestBuffer(e.Size);
Marshal.Copy(e.DaysToBold, 0, this.mdsBuffer, e.Size);
lParam.prgDayState = this.mdsBuffer;
Marshal.StructureToPtr(lParam, m.LParam, false);
}
private void BoldDates(DateBoldEventArgs e)
{
int size = e.Size;
e.DaysToBold = new int[size];
System.Windows.Forms.SelectionRange displayRange = this.GetDisplayRange(false);
int month = displayRange.Start.Month;
int year = displayRange.Start.Year;
int count = this.arrayOfDates.Count;
for (int i = 0; i < count; i++)
{
DateTime time = (DateTime) this.arrayOfDates[i];
if ((DateTime.Compare(time, displayRange.Start) >= 0) && (DateTime.Compare(time, displayRange.End) <= 0))
{
int num6 = time.Month;
int num7 = time.Year;
int num8 = (num7 == year) ? (num6 - month) : (((num6 + (num7 * 12)) - (year * 12)) - month);
e.DaysToBold[num8] |= ((int) 1) << (time.Day - 1);
}
}
month--;
int index = 0;
while (index < size)
{
e.DaysToBold[index] |= this.monthsOfYear[month % 12] | this.datesToBoldMonthly;
index++;
month++;
}
}
/// <summary>
/// Extends BeginInvoke so that when a state object is not needed, null does not need to be passed.
/// <example>
/// dateboldeventhandler.BeginInvoke(sender, e, callback);
/// </example>
/// </summary>
public static IAsyncResult BeginInvoke(this DateBoldEventHandler dateboldeventhandler, Object sender, DateBoldEventArgs e, AsyncCallback callback)
{
if(dateboldeventhandler == null) throw new ArgumentNullException("dateboldeventhandler");
return dateboldeventhandler.BeginInvoke(sender, e, callback, null);
}