1與0的世界

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;
using System.Runtime.InteropServices;

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

        private void Form1_Load(object sender, EventArgs e)
        {

        }
        class HotKey
        {
            [DllImport("user32.dll", SetLastError = true)]
            public static extern bool RegisterHotKey(IntPtr hWnd, int id, KeyModifiers fsModifiers, Keys vk);

            [DllImport("user32.dll", SetLastError = true)]
            public static extern bool UnregisterHotKey(IntPtr hWnd, int id);

            [Flags()]
            public enum KeyModifiers
            {
                None = 0,
                Alt = 1,
                Ctrl = 2,
                Shift = 4,
                WindowsKey = 8
            }
        }

        private void Form1_Activated(object sender, EventArgs e)
        {
            HotKey.RegisterHotKey(Handle, 100, HotKey.KeyModifiers.Shift, Keys.S);
             HotKey.RegisterHotKey(Handle, 101, HotKey.KeyModifiers.Ctrl, Keys.B);
             HotKey.RegisterHotKey(Handle, 102, HotKey.KeyModifiers.Alt, Keys.D);
        }
        private void FrmSale_Leave(object sender, EventArgs e)
        {
            HotKey.UnregisterHotKey(Handle, 100);
            HotKey.UnregisterHotKey(Handle, 101);
            HotKey.UnregisterHotKey(Handle, 102);
        }
        protected override void WndProc(ref Message m)
        {
            const int WM_HOTKEY = 0x0312;   
            switch (m.Msg)   
            {      
                case WM_HOTKEY:
                    switch (m.WParam.ToInt32())
                    {
                        case 100:
                            MessageBox.Show("100");
                            break;
                        case 101:
                            MessageBox.Show("101");
                            break;
                        case 102:
                            MessageBox.Show("102");
                            break;
                    } break;
            }
            base.WndProc(ref m);
        }
    }

}