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C#：WinForm无边框窗体移动方法、模仿鼠标单击标题栏移动窗体位置

發布時間：2023/12/10 C# 30 豆豆

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方法一：直接通過修改窗體位置從而達到移動窗體的效果

方法二：直接偽裝發送單擊任務欄消息，讓應用程序誤以為單擊任務欄從而移動窗體

方法一

1.定義一個位置信息Point用于存儲鼠標位置

private Point mPoint;

2.給窗體等控件增加MouseDown和MouseMove事件?

/// <summary> /// 鼠標按下 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void panel1_MouseDown(object sender, MouseEventArgs e) {mPoint = new Point(e.X, e.Y); }/// <summary> /// 鼠標移動 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void panel1_MouseMove(object sender, MouseEventArgs e) {if (e.Button == MouseButtons.Left){this.Location = new Point(this.Location.X + e.X - mPoint.X, this.Location.Y + e.Y - mPoint.Y);} }

方法二：?

1.引入下面代碼前提需要引入命名空間using System.Runtime.InteropServices

[DllImport("user32.dll")] public?static?extern?bool?ReleaseCapture();[DllImport("user32.dll")] public?static?extern?bool?SendMessage(IntPtr hwnd,?int?wMsg,?int?wParam,?int?lParam);private?const?int?VM_NCLBUTTONDOWN = 0XA1;//定義鼠標左鍵按下 private?const?int?HTCAPTION = 2;

2.增加鼠標按下事件發送消息，讓系統誤以為按下是標題欄

/// <summary> /// 鼠標按下 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void panel1_MouseDown(object sender, MouseEventArgs e) { //為當前應用程序釋放鼠標捕獲 ReleaseCapture(); //發送消息讓系統誤以為在標題欄上按下鼠標 SendMessage((IntPtr)this.Handle, VM_NCLBUTTONDOWN, HTCAPTION, 0); }