WPF 刷新主界面

Code
 1/**//// <summary>
 2    /// App.xaml 的交互逻辑
 3    /// </summary>
 4    public partial class App : Application
 5    {
 6        private static DispatcherOperationCallback exitFrameCallback = new DispatcherOperationCallback(ExitFrame);
 7
 8        public static void DoEvents()
 9        {
10            DispatcherFrame nestedFrame = new DispatcherFrame();
11
12            DispatcherOperation exitOperation = Dispatcher.CurrentDispatcher.BeginInvoke(DispatcherPriority.Background, exitFrameCallback, nestedFrame);
13
14            Dispatcher.PushFrame(nestedFrame);
15
16            if (exitOperation.Status != DispatcherOperationStatus.Completed)
17            {
18                exitOperation.Abort();
19            }
20        }
21
22        private static Object ExitFrame(Object state)
23        {
24            DispatcherFrame frame = state as DispatcherFrame;
25            frame.Continue = false;
26            return null;
27        }
28    }

转载于:https://www.cnblogs.com/xsi640/articles/1593219.html