[C#] - 使用熱鍵(HotKey)

這是一個設定應用程式的熱鍵簡單的model
利用win 32 API來達到熱鍵的效果
以下是程式的code,註解了幾個網站,供參考用

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;//使用DLLImport需宣告

namespace hotkey
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
class HotKey//製作一個hotkey的class
{
[DllImport("user32.dll", SetLastError = true)]
public static extern bool RegisterHotKey(IntPtr hWnd, int id, KeyModifiers fsModifiers, Keys vk);
//設定registerhotkey
//相關資料http://msdn.microsoft.com/en-us/library/ms646309(VS.85).aspx

[DllImport("user32.dll", SetLastError = true)]
public static extern bool UnregisterHotKey(IntPtr hWnd, int id);
//設定Unregisterhotkey
//相關資料http://msdn.microsoft.com/en-us/library/ms646327(VS.85).aspx

[Flags()]//設定
public enum KeyModifiers
{
None = 0,
Alt = 1,
Ctrl = 2,
Shift = 4,
WindowsKey = 8
}
}
protected override void WndProc(ref Message m)
{
//驗證用
//相關資料http://msdn.microsoft.com/zh-tw/library/dd229215.aspx
const int WM_HOTKEY = 0x0312;
switch (m.Msg)
{
case WM_HOTKEY:
switch (m.WParam.ToInt32())
{
case 100:
this.button1.PerformClick();
//當case=100時,執行button1的內容
MessageBox.Show("100");
break;
case 101:
this.button2.PerformClick();
MessageBox.Show("101");
break;
} break;
}
base.WndProc(ref m);
}
private void Form1_Activated(object sender, EventArgs e)
{
HotKey.RegisterHotKey(Handle, 100, HotKey.KeyModifiers.Shift, Keys.S);
HotKey.RegisterHotKey(Handle, 101, HotKey.KeyModifiers.Shift, Keys.D);
}
private void button1_Click(object sender, EventArgs e)
{
MessageBox.Show("123");
}

private void button2_Click(object sender, EventArgs e)
{
MessageBox.Show("123456");
}


private void Form1_Leave(object sender, EventArgs e)
{
//當form leave時,執行UnregisterHotKey指令
HotKey.UnregisterHotKey(Handle, 100);
HotKey.UnregisterHotKey(Handle, 101);
}
}
}

最後感謝kloer的大力幫忙,解釋了一些不懂的地方...

再附上幾個網址
http://blog.blueshop.com.tw/hammerchou/archive/2006/10/16/42432.aspx
http://msdn.microsoft.com/en-us/library/ms646279(VS.85).aspx

若有錯誤請幫忙勘正..3Q
完畢收工....