wpf中防止界面卡死的写法

原文: wpf中防止界面卡死的写法

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    this
    
    .button1.Content 
    
    =
    
     
    
    "
    
    正在计算
    
    "
    
    ;
            Action action 
    
    =
    
     
    
    new
    
     Action(() 
    
    =>
    
     {
                System.Threading.Thread.Sleep(
    
    3000
    
    );
                
    
    this
    
    .Dispatcher.BeginInvoke(
    
    new
    
     Action(() 
    
    =>
    
    
                {
                    
    
    this
    
    .button1.Content 
    
    =
    
     
    
    "
    
    计算完毕
    
    "
    
    ;
                }), System.Windows.Threading.DispatcherPriority.SystemIdle, 
    
    null
    
    );
            });
            action.BeginInvoke(
    
    null
    
    ,
    
    null
    
    );