watching mouse cursor

i find javascript and i want do this in C#          Link

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

namespace son
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}

private void Form1_MouseMove(object sender, MouseEventArgs e)
{
{

int x = e.X;

int y = e.Y;

groupBox1.Location = new Point(x, y);

}
}

private void Form1_Load(object sender, EventArgs e)
{

}
}
}

there is a picturebox on the groupbox..and while i moving the mouse it move with it...but i want it only watch mouse...

Here are some articles on mouse and keyboard events handling.

Area sensitive help by Gaurav Tomar on Aug 28, 2008 This article tells you how to create a help window which appears when your mouse moves on a particular web page area.

Handling Mouse Events in C# by Mahesh Chand on Apr 05, 2009 This article explains how to handle mouse events in C# or VB. In C#, you write a delegate and then write an event handler.

Custom Mouse-Joystick in C# by Lance Drolet on Aug 29, 2006 It is a custom control that allows you to use your mouse as a joystick.

Event Handling in C# by Anand Narayanswamy on Jan 17, 2006 This article shows you how to write control, mouse, and keyboard event handlers in C#.