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【CSharp】程序中使用热键的实现

作者:jadeflute / 发布于2015/2/28/ 772


	Form1.cs主代码：

	

	private void Form1_Load(object sender, System.EventArgs e)
	 {
	 // 设置热键
	 SetHotKey(false, false, false,false,Keys.Space );
	 }
	
	 private bool key_Ctrl = false;
	 private bool key_Shift = false;
	 private bool key_Alt = false;
	 private bool key_Windows = false;
	 private Keys key_other;
	 public void SetHotKey(bool bCtrl,bool bShift,bool bAlt,bool bWindows,Keys nowKey)
	 {
	 try
	 {
	 this.key_Alt = bAlt;
	 this.key_Ctrl = bCtrl;
	 this.key_Shift = bShift;
	 this.key_Windows = bWindows;
	 this.key_other = nowKey;
	
	 WinHotKey.KeyModifiers modifier = WinHotKey.KeyModifiers.None;
	
	 if( this.key_Ctrl )
	 modifier |= WinHotKey.KeyModifiers.Control;
	 if(this.key_Alt )
	 modifier |= WinHotKey.KeyModifiers.Alt;
	 if(this.key_Shift)
	 modifier |= WinHotKey.KeyModifiers.Shift;
	 if(this.key_Windows)
	 modifier |= WinHotKey.KeyModifiers.Windows;
	
	 WinHotKey.RegisterHotKey(Handle,100,modifier,nowKey);
	 }
	 catch
	 {
	 MessageBox.Show ("快捷键定义错误！");
	 }
	 }
	
	 protected override void WndProc(ref Message msg )
	 {
	 const int WM_HOTKEY = 0x0312; // 热键消息
	 if (msg.Msg != WM_HOTKEY)
	 {
	 base.WndProc(ref msg);
	 }
	 else
	 {
	 MessageBox.Show("Hotkey pressed"); //激活热键
	 // ProcessHotKey();
	 }
	 }
	 private void Form1_Closing(object sender, System.ComponentModel.CancelEventArgs e)
	 {
	 WinHotKey.UnregisterHotKey(Handle, 100); // 注销热键
	 }

	

	WinHotKey.cs主代码：

	public class WinHotKey
	{
	 public WinHotKey()
	 {
	
	 }
	 [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,
	 Control =2,
	 Shift = 4,
	 Windows = 8
	 }
	}

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