WPF实现DoEvents

static void DoEvents() { DispatcherFrame frame = new DispatcherFrame(true); Dispatcher.CurrentDispatcher.BeginInvoke(DispatcherPriority.Background, (SendOrPostCallback)delegate(object arg) { DispatcherFrame fr = arg as DispatcherFrame; fr.Continue = false; }, frame); Dispatcher.PushFrame(frame); }

 

调用：

 

DoEvents();