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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace test
{
public partial class frmPanel :Form
{
private Point start;
private bool isDragging;
public frmPanel()
{
InitializeComponent();
}
private void panel_MouseDown(object sender, MouseEventArgs e)
{
if(e.Button == MouseButtons.Left)
{
start = e.Location;
isDragging = true;
}
}
void panel_MouseUp(object sender, MouseEventArgs e)
{
isDragging = false;
}
void panel_MouseMove(object sender, MouseEventArgs e)
{
if ( isDragging )
{
Panel panel = (Panel)sender;
panel.Location = new Point(panel.Location.X-(start.X-e.X), panel.Location.Y-(start.Y - e.Y));
}
}
}
}
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