private static DispatcherOperationCallback exitFrameCallback = new DispatcherOperationCallback(ExitFrame);
/// Processes all UI messages currently in the message queue.
public static void DoEvents()
DispatcherFrame nestedFrame = new DispatcherFrame();
DispatcherOperation exitOperation = Dispatcher.CurrentDispatcher.BeginInvoke(DispatcherPriority.Background, exitFrameCallback, nestedFrame);
if (exitOperation.Status != DispatcherOperationStatus.Completed)
private static Object ExitFrame(Object state)
DispatcherFrame frame = state as DispatcherFrame;
frame.Continue = false;
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