Calendar.BlackoutDates 屬性

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

屬性值

一組無法選擇的日期集合。 預設值為空集合。

範例

以下範例會產生 ， Calendar 其中有些日期無法被選取。

  // 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>

前述範例產生的輸出與以下圖示相似。

無法選擇日期的行事曆

備註

本收藏中的日期將以灰色形式顯示，並在日曆上劃掉。

若要讓所有過去日期無法選取，你可以使用 AddDatesInPast 這個屬性回傳的集合所提供的方法。

XAML 屬性元素使用方式

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

XAML 值

一或更多日曆日期範圍 一個或多個型別 CalendarDateRange為 的物件元素。