Window window; //热键所在窗体
#endregion Fields
#region Constructors
//构造函数,注册热键
/// <summary>
/// 构造函数
/// </summary>
/// <param name="win">注册窗体</param>
/// <param name="control">控制键</param>
/// <param name="key">主键</param>
public HotKey(Window win, HotKey.KeyFlags control, Keys key)
{
Handle = new WindowInteropHelper(win).Handle;
window=win;
Controlkey = (uint)control;
Key = (uint)key;
KeyId=(int)Controlkey+(int)Key*10;
if (HotKey.KeyPair.ContainsKey(KeyId))
{
throw new Exception("热键已经被注册!");
}
//注册热键
if(false == HotKey.RegisterHotKey(Handle, KeyId, Controlkey, Key))
{
throw new Exception("热键注册失败!");
}
if(HotKey.KeyPair.Count==0){
//消息挂钩只能连接一次!!
if(false == InstallHotKeyHook(this))
{
throw new Exception("消息挂钩连接失败!");
}
}
//添加这个热键索引
HotKey.KeyPair.Add(KeyId, this);
}
//安装热键处理挂钩
private static bool InstallHotKeyHook(HotKey hk)
{
if (hk.window == null || hk.Handle==IntPtr.Zero)
return false;
//获得消息源
System.Windows.Interop.HwndSource source = System.Windows.Interop.HwndSource.FromHwnd(hk.Handle);
if (source==null) return false;
//挂接事件
source.AddHook(HotKey.HotKeyHook);
return true;
}