C#帮助控件HelpProvider的使用

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 帮助控件的使用
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        HelpProvider HP;
        private void Form1_Load(object sender, EventArgs e)
        {
            MessageBox.Show("要想获得帮助。请按F1");
            HP = new HelpProvider();
            string Source = "Help.txt";
            HP.HelpNamespace = Source;
            HP.SetShowHelp(this, true);
        }
    }
}