网上和书上大致有两种方法,各有长短吧。 一种是使用Windows API:
//需添加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 void Form1_MouseDown(object sender, MouseEventArgs e)
{//窗体移动
if (e.Button == MouseButtons.Left)
{
ReleaseCapture(); //释放鼠标捕捉
//发送左键点击的消息至该窗体(标题栏)
SendMessage(Handle, 0xA1, 0x02, 0);
}
}
这个方法,使用的话拖动效果和正常窗口拖动效果差不多,但是一句ReleaseCapture()就使窗口的某些Mouse事件无法响应。比如MouseClick。有时候是不能忍的。
这个方法,使用的话拖动效果和正常窗口拖动效果差不多,但是一句ReleaseCapture()就使窗口的某些Mouse事件无法响应。比如MouseClick。有时候是不能忍的。
第二种方法则是结合三种窗体或控件的鼠标事件来完成
private void panel1_MouseMove(object sender, MouseEventArgs e) { if (beginMove) { this.Left += MousePosition.X - currentXPosition;//根据鼠标x坐标确定窗体的左边坐标x this.Top += MousePosition.Y - currentYPosition;//根据鼠标的y坐标窗体的顶部,即Y坐标 currentXPosition = MousePosition.X; currentYPosition = MousePosition.Y; } } private void panel1_MouseDown(object sender, MouseEventArgs e) { if (e.Button == MouseButtons.Left) { beginMove = true; currentXPosition = MousePosition.X;//鼠标的x坐标为当前窗体左上角x坐标 currentYPosition = MousePosition.Y;//鼠标的y坐标为当前窗体左上角y坐标 } } } private void panel1_MouseUp(object sender, MouseEventArgs e) { if (e.Button == MouseButtons.Left) { beginMove = false; currentXPosition = MousePosition.X;//鼠标的x坐标为当前窗体左上角x坐标 currentYPosition = MousePosition.Y;//鼠标的y坐标为当前窗体左上角y坐标 } } }
beginMove,currentXPosition,currentYPosition 为全局定义变量;