C# WInForm 无框窗体移动

羽叶

调用API

using System.Runtime.InteropServices;

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;

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在控件的_MouseDown中加入如下代码:

1. private void Form1_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
   
2.    {
   
3.         ReleaseCapture();
   
4.         SendMessage(this.Handle, WM_SYSCOMMAND, SC_MOVE + HTCAPTION, 0);
   
5.    }

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t304pk

Good Old Trick

xiaomei

不错，呵呵，谢谢楼主分享

gqzhao

学习了，支持楼主的奉献精神。

rakehell

学习学习！

aolongxue

很不错!!!支持一下楼主

lycoder

很好...GOOD 一个...

智龙

谢谢楼主分享

ibm2000

感谢楼主分享！

15028046850

ibm2000 发表于 2013-12-2 13:31
感谢楼主分享！

如果不想用引用的话 可以这样
private Point offset;
        private void BudgetSheetForm_MouseDown(object sender, MouseEventArgs e)
        {
            if (MouseButtons.Left != e.Button) return;
            Point cur = this.PointToScreen(e.Location);
            offset = new Point(cur.X - this.Left, cur.Y - this.Top);
        }
        private void BudgetSheetForm_MouseMove(object sender, MouseEventArgs e)
        {
            if (MouseButtons.Left != e.Button) return;
            Point cur = MousePosition;
            this.Location = new Point(cur.X - offset.X, cur.Y - offset.Y);
        }