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1         private Point mPoint;

 1         /// <summary>

 2         /// 鼠標(biāo)按下

 3         /// </summary>

 4         /// <param name="sender"></param>

 5         /// <param name="e"></param>

 6         private void panel1_MouseDown(object sender, MouseEventArgs e)

 7         {

 8             mPoint = new Point(e.X, e.Y);

 9         }

10

11         /// <summary>

12         /// 鼠標(biāo)移動(dòng)

13         /// </summary>

14         /// <param name="sender"></param>

15         /// <param name="e"></param>

16         private void panel1_MouseMove(object sender, MouseEventArgs e)

17         {

18             if (e.Button == MouseButtons.Left)

19             {

20                 this.Location = new Point(this.Location.X + e.X - mPoint.X, this.Location.Y + e.Y - mPoint.Y);

21             }

22         }

 1         /// <summary>

 2         /// 鼠標(biāo)按下

 3         /// </summary>

 4         /// <param name="sender"></param>

 5         /// <param name="e"></param>

 6         private void panel1_MouseDown(object sender, MouseEventArgs e)

 7         {

 8             //為當(dāng)前應(yīng)用程序釋放鼠標(biāo)捕獲

 9             ReleaseCapture();

10             //發(fā)送消息 讓系統(tǒng)誤以為在標(biāo)題欄上按下鼠標(biāo)

11             SendMessage((IntPtr)this.Handle, VM_NCLBUTTONDOWN, HTCAPTION, 0);

12         }