DatePicker.CalendarOpened 事件

定义

当打开下拉 Calendar 时发生。

public:
 event System::Windows::RoutedEventHandler ^ CalendarOpened;
public event System.Windows.RoutedEventHandler CalendarOpened;
member this.CalendarOpened : System.Windows.RoutedEventHandler 
Public Custom Event CalendarOpened As RoutedEventHandler 
Public Event CalendarOpened As RoutedEventHandler 

事件类型

示例

以下示例创建 并 DatePicker 向用户提供说明。 当用户打开或关闭 时, Calendar说明将更新。

<StackPanel>
  <TextBlock Name="textBlock1" 
             Text="Enter a date or click the calendar."/>
  <DatePicker CalendarOpened="DatePicker_CalendarOpened"
              CalendarClosed="DatePicker_CalendarClosed"/>
</StackPanel>
private void DatePicker_CalendarOpened(object sender, RoutedEventArgs e)
{
    textBlock1.Text = "Select a date from the calendar";
}

private void DatePicker_CalendarClosed(object sender, RoutedEventArgs e)
{
    textBlock1.Text = "Enter a date or click the calendar";
}
Private Sub DatePicker_CalendarOpened(
             ByVal sender As System.Object,
             ByVal e As System.Windows.RoutedEventArgs)
    textBlock1.Text = "Select a date from the calendar"
End Sub

Private Sub DatePicker_CalendarClosed(
             ByVal sender As System.Object,
             ByVal e As System.Windows.RoutedEventArgs)
    textBlock1.Text = "Enter a date or click the calendar"
End Sub

注解

XAML 属性用法

<DatePicker CalendarOpened="eventhandler"/>  

适用于