다음을 통해 공유

  • 아티클

DatePicker.SelectedDateChanged Event

Microsoft Silverlight will reach end of support after October 2021. Learn more.

Occurs when the SelectedDate property is changed.

Namespace:  System.Windows.Controls
Assembly:  System.Windows.Controls (in System.Windows.Controls.dll)

Syntax

'Declaration
Public Event SelectedDateChanged As EventHandler(Of SelectionChangedEventArgs)

public event EventHandler<SelectionChangedEventArgs> SelectedDateChanged

<sdk:DatePicker SelectedDateChanged="eventhandler"/>

Examples

The following code contains an event handler that updates a TextBlock when SelectedDate is changed.

'Updates a TextBlock with information from the SelectedDateChanged event. 
Private Sub dp2_SelectedDateChanged(ByVal sender As Object, ByVal e As SelectionChangedEventArgs) Handles dp2.SelectedDateChanged
    'RemovedItems will be null if this is the first time a date was selected. 
    If e.RemovedItems Is Nothing OrElse e.RemovedItems.Count = 0 Then
        text1.Text = "Changed SelectedDate from nothing to " + e.AddedItems(0) + "!"
    Else
        text1.Text = "Changed SelectedDate from " + e.RemovedItems(0) + " to " + e.AddedItems(0) + "!"
    End If
End Sub

//Updates a TextBlock with information from the SelectedDateChanged event.
void dp2_SelectedDateChanged(object sender, SelectionChangedEventArgs e)
{
    //RemovedItems will be null if this is the first time a date was selected.
    if (e.RemovedItems == null || e.RemovedItems.Count == 0)
    {
        text1.Text = "Changed SelectedDate from null to " + e.AddedItems[0] + "!";
    }
    else
    {
        text1.Text = "Changed SelectedDate from " + e.RemovedItems[0] + " to " + e.AddedItems[0] + "!";
    }
}

Version Information

Silverlight

Supported in: 5, 4, 3

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.