Invoked when an unhandled Keyboard.PreviewKeyDown attached event reaches an element in its route that is derived from this class. Implement this method to add class handling for this event.

'Declaration

Protected Overrides Sub OnPreviewKeyDown( _
   ByVal e
The System.Windows.Input.KeyEventArgs that contains the event data.
 As System.Windows.Input.KeyEventArgs _
)

protected override void OnPreviewKeyDown(
   System.Windows.Input.KeyEventArgs e
)

protected: void OnPreviewKeyDown(
   System.Windows.Input.KeyEventArgs* e
); override

protected:
void OnPreviewKeyDown(
   System.Windows.Input.KeyEventArgs^ e
); override