ContentElement.IsMouseCaptured Property    
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Gets a value that indicates whether the mouse is captured by this element.
public:
 property bool IsMouseCaptured { bool get(); };public bool IsMouseCaptured { get; }member this.IsMouseCaptured : boolPublic ReadOnly Property IsMouseCaptured As BooleanProperty Value
true if the element has mouse capture; otherwise, false. The default is false.
Implements
Examples
The following example turns the mouse capture state on or off based on whether the mouse is already captured by the element.
private void CaptureMouseCommandExecuted(object sender, ExecutedRoutedEventArgs e)
{
  MessageBox.Show("Mouse Command");
  IInputElement target = Mouse.DirectlyOver;
  target = target as Control;
  if (target != null)
  {
    if (!target.IsMouseCaptured)
    {
      Mouse.Capture(target);
    } else {
      Mouse.Capture(null);
    }
  }
}
Private Sub CaptureMouseCommandExecuted(ByVal sender As Object, ByVal e As ExecutedRoutedEventArgs)
  MessageBox.Show("Mouse Command")
  Dim target As IInputElement = Mouse.DirectlyOver
  target = TryCast(target, Control)
  If target IsNot Nothing Then
    If Not target.IsMouseCaptured Then
      Mouse.Capture(target)
    Else
      Mouse.Capture(Nothing)
    End If
  End If
End Sub
Remarks
Mouse capture state is related to in-process drag-and-drop operations.
Dependency Property Information
| Item | Value | 
|---|---|
| Identifier field | IsMouseCapturedProperty | 
| Metadata properties set to true | None |