Cancels the associated command or operation.
public void CancelCommand()
This method sets the CommandCancelled property to true. After an event has been canceled, it cannot be reactivated.
If this method is called on a drag-and-drop operation (as indicated by the IsDragDrop property), the entire drag-and-drop operation is canceled.
Supported in: 4.6, 4.5, 4, 3.5, 3.0
.NET Framework Client Profile
Supported in: 4, 3.5 SP1