using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
namespace WindowsFormsApplication2
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private Point myPoint;//提供有序的 x 坐标和 y 坐标整数对,该坐标对在二维平面中定义一个点。
/// <summary>
/// 鼠标按下去后抬起时触发
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Form4_MouseUp(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)//按下鼠标左键
{
Point myPosition = Control.MousePosition;//鼠标光标位置的新实例
myPosition.Offset(myPoint.X, myPoint.Y);//光标平移指定的量
this.DesktopLocation = myPosition;//设置桌面上的窗体的位置
}
}
/// <summary>
/// 鼠标移动到控件上时触发
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Form4_MouseMove(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)//按下鼠标左键
{
Point myPosition = Control.MousePosition;//鼠标光标位置的新实例
myPosition.Offset(myPoint.X, myPoint.Y);//光标平移指定的量
this.DesktopLocation = myPosition;//设置桌面上的窗体的位置
}
}
/// <summary>
/// 鼠标按下去时触发
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Form4_MouseDown(object sender, MouseEventArgs e)
{
myPoint = new Point(-e.X, -e.Y);//记录光标移动的量
}
//鼠标移动到控件上,触发Form4_MouseMove,如果鼠标点的是左键就会同时触发Form4_MouseDown。
//在Form4_MouseDown中会记录光标移动的量,然后Form4_MouseMove中会根据这个量来设定窗体的位置。
//鼠标抬起时触发Form4_MouseUp,Form4_MouseUp中也会根据Form4_MouseDown中记录的光标移动的量设置
//窗体的位置。
}
}
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
namespace WindowsFormsApplication3
{
public partial class Form5 : Form
{
public Form5()
{
InitializeComponent();
}
[System.Runtime.InteropServices.DllImport("user32.dll")]
public static extern bool ReleaseCapture();
[System.Runtime.InteropServices.DllImport("user32.dll")]
public static extern bool SendMessage(IntPtr hwnd, int wMsg, int wParam, int lParam);
public const int WM_SYSCOMMAND = 0x0112;
public const int SC_MOVE = 0xF010;
public const int HTCAPTION = 0x0002;
private void pictureBox1_MouseDown(object sender, MouseEventArgs e)
{
try
{
ReleaseCapture();
SendMessage(this.Handle, WM_SYSCOMMAND, SC_MOVE + HTCAPTION, 0);
}
catch
{ }
}
}
}