Calendar.BlackoutDates Propriété

Définition

Espace de noms:

System.Windows.Controls

Assembly:

PresentationFramework.dll

Obtient une collection de dates marquées comme non sélectionnables.

public:
 property System::Windows::Controls::CalendarBlackoutDatesCollection ^ BlackoutDates { System::Windows::Controls::CalendarBlackoutDatesCollection ^ get(); };

public System.Windows.Controls.CalendarBlackoutDatesCollection BlackoutDates { get; }

member this.BlackoutDates : System.Windows.Controls.CalendarBlackoutDatesCollection

Public ReadOnly Property BlackoutDates As CalendarBlackoutDatesCollection

Valeur de propriété

CalendarBlackoutDatesCollection

Collection de dates qui ne peuvent pas être sélectionnées. La valeur par défaut est une collection vide.

Exemples

L’exemple suivant crée une Calendar date qui ne peut pas être sélectionnée.

  // Create a Calendar that displays dates through
  // Januarary 31, 2009 and has dates that are not selectable.
  Calendar calendarWithBlackoutDates = new Calendar();
  calendarWithBlackoutDates.IsTodayHighlighted = false;
  calendarWithBlackoutDates.DisplayDate = new DateTime(2009, 1, 1);
  calendarWithBlackoutDates.DisplayDateEnd = new DateTime(2009, 1, 31);
  calendarWithBlackoutDates.SelectionMode = CalendarSelectionMode.MultipleRange;

  // Add the dates that are not selectable.
  calendarWithBlackoutDates.BlackoutDates.Add(
      new CalendarDateRange(new DateTime(2009, 1, 2), new DateTime(2009, 1, 4)));
  calendarWithBlackoutDates.BlackoutDates.Add(
      new CalendarDateRange(new DateTime(2009, 1, 9)));
  calendarWithBlackoutDates.BlackoutDates.Add(
      new CalendarDateRange(new DateTime(2009, 1, 16)));
  calendarWithBlackoutDates.BlackoutDates.Add(
      new CalendarDateRange(new DateTime(2009, 1, 23), new DateTime(2009, 1, 25)));
  calendarWithBlackoutDates.BlackoutDates.Add(
      new CalendarDateRange(new DateTime(2009, 1, 30)));

  // Add the selected dates.
  calendarWithBlackoutDates.SelectedDates.Add(
      new DateTime(2009, 1, 5));
  calendarWithBlackoutDates.SelectedDates.AddRange(
      new DateTime(2009, 1, 12), new DateTime(2009, 1, 15));
  calendarWithBlackoutDates.SelectedDates.Add(
      new DateTime(2009, 1, 27));

  // root is a Panel that is defined elswhere.
  root.Children.Add(calendarWithBlackoutDates);

' Create a Calendar that displays dates through 
' Januarary 31, 2009 and has dates that are not selectable. 
Dim calendarWithBlackoutDates As New Calendar()
calendarWithBlackoutDates.IsTodayHighlighted = False
calendarWithBlackoutDates.DisplayDate = New DateTime(2009, 1, 1)
calendarWithBlackoutDates.DisplayDateEnd = New DateTime(2009, 1, 31)
calendarWithBlackoutDates.SelectionMode = CalendarSelectionMode.MultipleRange

' Add the dates that are not selectable. 
calendarWithBlackoutDates.BlackoutDates.Add(New CalendarDateRange(New DateTime(2009, 1, 2), New DateTime(2009, 1, 4)))
calendarWithBlackoutDates.BlackoutDates.Add(New CalendarDateRange(New DateTime(2009, 1, 9)))
calendarWithBlackoutDates.BlackoutDates.Add(New CalendarDateRange(New DateTime(2009, 1, 16)))
calendarWithBlackoutDates.BlackoutDates.Add(New CalendarDateRange(New DateTime(2009, 1, 23), New DateTime(2009, 1, 25)))
calendarWithBlackoutDates.BlackoutDates.Add(New CalendarDateRange(New DateTime(2009, 1, 30)))

' Add the selected dates. 
calendarWithBlackoutDates.SelectedDates.Add(New DateTime(2009, 1, 5))
calendarWithBlackoutDates.SelectedDates.AddRange(New DateTime(2009, 1, 12), New DateTime(2009, 1, 15))
calendarWithBlackoutDates.SelectedDates.Add(New DateTime(2009, 1, 27))

' root is a Panel that is defined elswhere. 
root.Children.Add(calendarWithBlackoutDates)

<!-- Create a Calendar that displays dates through
     Januarary 31, 2009 and has dates that are not selectable. -->
<Calendar Margin="20" SelectionMode="MultipleRange"  
          IsTodayHighlighted="false" 
          DisplayDate="1/1/2009"
          DisplayDateEnd="1/31/2009"
          xmlns:sys="clr-namespace:System;assembly=mscorlib">

  <Calendar.BlackoutDates>
    <CalendarDateRange Start="1/2/2009" End="1/4/2009"/>
    <CalendarDateRange Start="1/9/2009" End="1/9/2009"/>
    <CalendarDateRange Start="1/16/2009" End="1/16/2009"/>
    <CalendarDateRange Start="1/23/2009" End="1/25/2009"/>
    <CalendarDateRange Start="1/30/2009" End="1/30/2009"/>
  </Calendar.BlackoutDates>

  <Calendar.SelectedDates>
    <sys:DateTime>1/5/2009</sys:DateTime>
    <sys:DateTime>1/12/2009</sys:DateTime>
    <sys:DateTime>1/14/2009</sys:DateTime>
    <sys:DateTime>1/13/2009</sys:DateTime>
    <sys:DateTime>1/15/2009</sys:DateTime>
    <sys:DateTime>1/27/2009</sys:DateTime>
    <sys:DateTime>4/2/2009</sys:DateTime>
  </Calendar.SelectedDates>
</Calendar>

L’exemple précédent produit une sortie similaire à celle de l’illustration suivante.

Calendrier avec dates qui ne peuvent pas être sélectionnées

Remarques

Les dates de cette collection s’affichent en gris et sont croisées dans le calendrier.

Pour rendre toutes les dates passées non sélectionnables, vous pouvez utiliser la AddDatesInPast méthode fournie par la collection retournée par cette propriété.

Utilisation des éléments de propriété XAML

<object>  
  <object.BlackoutDates>  
    oneOrMoreCalendarDateRanges  
  </object.BlackoutDates>  
</object>  

Valeurs XAML

oneOrMoreCalendarDateRanges
Un ou plusieurs éléments d’objet de type CalendarDateRange.