C#拖动无边框窗体 

 1   [DllImport("user32.dll")]
 2         public static extern bool ReleaseCapture();
 3         [DllImport("user32.dll")]
 4         public static extern bool SendMessage(IntPtr hwnd, int wMsg, int wParam, int lParam);
 5         public const int WM_SYSCOMMAND = 0x0112;
 6         public const int SC_MOVE = 0xF010;
 7         public const int HTCAPTION = 0x0002;
 8         private void lblMain_MouseMove(object sender, MouseEventArgs e)
 9         {
10             if (e.Button == MouseButtons.Left)
11             {
12                 ReleaseCapture();
13                 SendMessage(this.Handle, WM_SYSCOMMAND, SC_MOVE + HTCAPTION, 0);
14             }
15         }



 

posted @ 2011-11-12 20:44  lanmiao  阅读(190)  评论(0)  编辑  收藏  举报