vs2010鼠标事件没有反应

Question

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 WindowsFormsApplication19
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}

    private void Form1_Load(object sender, EventArgs e)
    {

    }
    private void Form1_MouseMove(object sender, MouseEventArgs e)
    {
        this.MouseMove += new MouseEventHandler(Form1_MouseMove);
        this.Text = e.X.ToString();
    }
}

}

Answer 1

this.MouseMove += new MouseEventHandler(Form1_MouseMove);要写在构造函数里，否则它永远不会被调用