WPF.双击事件

WPF双击事件 别走弯路-CSDN论坛.html（https://bbs.csdn.net/topics/392493855?list=2474794）

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private void MouseLeftButtonDown(object sender, MouseButtonEventArgs e)         {             switch (e.ClickCount)             {                 case 1://单击                     {                         NativeMethods.SendMessage(Hwnd, (int)WindowMessages.WM_NCLBUTTONDOWN, (IntPtr)HitTest.HTCAPTION, IntPtr.Zero);                         break;                     }                 case 2://双击                     {                         WindowState = WindowState == WindowState.Maximized ? WindowState.Normal : WindowState.Maximized;                         break;                     }             }