wpf防止界面卡死

 1             AsyncInvokeHelper.CallbackInvoke(new Action(() =>
 2             {
 3                 System.Threading.Tasks.Task.Factory.StartNew(() =>
 4                 {
 5                  
 6                         //耗時卡界面的操做
 7                         System.Threading.Thread.Sleep(2000);
 8 
 9                 });
10             }));