using System;
using System.Drawing;
using System.Windows.Forms;
public class FormMoveDemo : Form
{
private bool dragging;
private Point pointClicked;
public FormMoveDemo()
{
InitializeComponent();
}
private void lblDrag_MouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
dragging = true;
pointClicked = new Point(e.X, e.Y);
}
else
{
dragging = false;
}
}
private void lblDrag_MouseMove(object sender, MouseEventArgs e)
{
if (dragging){
Point pointMoveTo;
pointMoveTo = this.PointToScreen(new Point(e.X, e.Y));
pointMoveTo.Offset(-pointClicked.X, -pointClicked.Y);
this.Location = pointMoveTo;
}
}
private void lblDrag_MouseUp(object sender, MouseEventArgs e)
{
dragging = false;
}
private void cmdClose_Click(object sender, EventArgs e)
{
this.Close();
}
[STAThread]
public static void Main(string[] args)
{
Application.Run(new FormMoveDemo());
}
private System.Windows.Forms.Button cmdClose= new System.Windows.Forms.Button();
private System.Windows.Forms.Label lblDrag = new System.Windows.Forms.Label();
private System.ComponentModel.IContainer components = null;
private void InitializeComponent()
{
this.SuspendLayout();
//
// cmdClose
//
this.cmdClose.Location = new System.Drawing.Point(102, 215);
this.cmdClose.Name = "cmdClose";
this.cmdClose.Size = new System.Drawing.Size(76, 20);
this.cmdClose.TabIndex = 5;
this.cmdClose.Text = "Close";
this.cmdClose.Click += new System.EventHandler(this.cmdClose_Click);
//
// lblDrag
//
this.lblDrag.BackColor = System.Drawing.Color.Navy;
this.lblDrag.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
this.lblDrag.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.lblDrag.ForeColor = System.Drawing.Color.White;
this.lblDrag.Location = new System.Drawing.Point(94, 167);
this.lblDrag.Name = "lblDrag";
this.lblDrag.Size = new System.Drawing.Size(96, 36);
this.lblDrag.TabIndex = 4;
this.lblDrag.Text = "Click here to move the form!";
this.lblDrag.MouseUp += new System.Windows.Forms.MouseEventHandler(this.lblDrag_MouseUp);
this.lblDrag.MouseMove += new System.Windows.Forms.MouseEventHandler(this.lblDrag_MouseMove);
this.lblDrag.MouseDown += new System.Windows.Forms.MouseEventHandler(this.lblDrag_MouseDown);
//
// FormMoveDemo
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(292, 266);
this.ControlBox = false;
this.Controls.Add(this.cmdClose);
this.Controls.Add(this.lblDrag);
this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog;
this.MaximizeBox = false;
this.MinimizeBox = false;
this.ResumeLayout(false);
}
}