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protected override WndProc(ref message m)
{
switch (m.Msg)
{
case WM_NCHITTEST: //å¦æé¼ æ 移å¨æåå»
base.WndProc(ref m);//è°ç¨åºç±»ççªå£è¿ç¨--WndProcæ¹æ³å¤çè¿ä¸ªæ¶æ¯
if (m.Result == (IntPtr)HTCLIENT)//å¦æè¿åçæ¯HTCLIENT
{
m.Result = (IntPtr)HTCAPTION;//æå®æ¹ä¸ºHTCAPTION
return;//ç´æ¥è¿åéåºæ¹æ³
}
break;
}
base.WndProc(ref m);//å¦æä¸æ¯é¼ æ 移å¨æåå»æ¶æ¯å°±è°ç¨åºç±»ççªå£è¿ç¨è¿è¡å¤ç
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ReleaseCapture();
SendMessage(this.Handle, WM_SYSCOMMAND, SC_MOVE + HTCAPTION, 0);
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