/// <summary>If changing the used calendar, then this method reassigns the selection mode to set the correct selection range.</summary>
private void ReAssignSelectionMode()
{
this.SelectionRange = null;
MonthCalendarSelectionMode selMode = this.daySelectionMode;
this.daySelectionMode = MonthCalendarSelectionMode.Manual;
this.SelectionMode = selMode;
}
/// <summary>
/// Sets the selection range for the specified <see cref="MonthCalendarSelectionMode"/>.
/// </summary>
/// <param name="selMode">
/// The <see cref="MonthCalendarSelectionMode"/> value to set the selection range for.
/// </param>
private void SetSelectionRange(MonthCalendarSelectionMode selMode)
{
switch (selMode)
{
case MonthCalendarSelectionMode.Day:
{
this.selectionEnd = this.selectionStart;
break;
}
case MonthCalendarSelectionMode.WorkWeek:
case MonthCalendarSelectionMode.FullWeek:
{
MonthCalendarDate dt = new MonthCalendarDate(this.CultureCalendar, this.selectionStart).GetFirstDayInWeek(
this._formatProvider);
this.selectionStart = dt.Date;
this.selectionEnd = dt.AddDays(6).Date;
break;
}
case MonthCalendarSelectionMode.Month:
{
MonthCalendarDate dt = new MonthCalendarDate(this.CultureCalendar, this.selectionStart).FirstOfMonth;
this.selectionStart = dt.Date;
this.selectionEnd = dt.AddMonths(1).AddDays(-1).Date;
break;
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="MonthCalendar"/> class.
/// </summary>
public MonthCalendar()
{
SetStyle(
ControlStyles.OptimizedDoubleBuffer
| ControlStyles.ResizeRedraw
| ControlStyles.Selectable
| ControlStyles.AllPaintingInWmPaint
| ControlStyles.UserPaint
| ControlStyles.SupportsTransparentBackColor,
true);
// initialize menus
this.InitializeComponent();
this.extendSelection = false;
this.showFooter = true;
this.showWeekHeader = true;
this.mouseLocation = Point.Empty;
this.yearSelected = DateTime.MinValue;
this.monthSelected = DateTime.MinValue;
this.selectionStart = DateTime.Today;
this.selectionEnd = DateTime.Today;
this.currentHitType = MonthCalendarHitType.None;
this.boldedDates = new List<DateTime>();
this.boldDatesCollection = new BoldedDatesCollection();
this.boldDateCategoryCollection = new BoldedDateCategoryCollection(this);
this.currentMoveBounds = Rectangle.Empty;
this.mouseMoveFlags = new MonthCalendarMouseMoveFlags();
this.selectionRanges = new List<SelectionRange>();
this.daySelectionMode = MonthCalendarSelectionMode.Manual;
this.nonWorkDays = CalendarDayOfWeek.Saturday | CalendarDayOfWeek.Sunday;
this.culture = CultureInfo.CurrentUICulture;
this.cultureCalendar = CultureInfo.CurrentUICulture.DateTimeFormat.Calendar;
this.eraRanges = GetEraRanges(this.cultureCalendar);
this.minDate = this.cultureCalendar.MinSupportedDateTime.Date < new DateTime(1900, 1, 1) ? new DateTime(1900, 1, 1) : this.cultureCalendar.MinSupportedDateTime.Date;
this.maxDate = this.cultureCalendar.MaxSupportedDateTime.Date > new DateTime(9998, 12, 31) ? new DateTime(9998, 12, 31) : this.cultureCalendar.MaxSupportedDateTime.Date;
this.formatProvider = new MonthCalendarFormatProvider(this.culture, null, this.culture.TextInfo.IsRightToLeft) { MonthCalendar = this };
this.renderer = new MonthCalendarRenderer(this);
this.calendarDimensions = new Size(1, 1);
this.headerFont = new Font("Segoe UI", 9f, FontStyle.Regular);
this.footerFont = new Font("Arial", 9f, FontStyle.Bold);
this.dayHeaderFont = new Font("Segoe UI", 8f, FontStyle.Regular);
this.dayTextAlign = ContentAlignment.MiddleCenter;
// update year menu
this.UpdateYearMenu(DateTime.Today.Year);
// set start date
this.SetStartDate(new DateTime(DateTime.Today.Year, DateTime.Today.Month, 1));
this.CalculateSize(true);
}
