使用user32.dll的全局热键不适用于Windows Key

Question

我正在尝试编写一个对Hotkey Win + V作出反应的C＃应用​​程序，因为它易于访问，我不想与其他Windows热键发生冲突。 我正在使用我在Stackoverflow上找到的全局热键类：

public sealed class KeyboardHook : IDisposable
{
    // Registers a hot key with Windows.
    [DllImport("user32.dll")]
    private static extern bool RegisterHotKey(IntPtr hWnd, int id, uint fsModifiers, uint vk);
    // Unregisters the hot key with Windows.
    [DllImport("user32.dll")]
    private static extern bool UnregisterHotKey(IntPtr hWnd, int id);

    /// <summary>
    /// Represents the window that is used internally to get the messages.
    /// </summary>
    private class Window : NativeWindow, IDisposable
    {
        private static int WM_HOTKEY = 0x0312;

        public Window()
        {
            // create the handle for the window.
            this.CreateHandle(new CreateParams());
        }

        /// <summary>
        /// Overridden to get the notifications.
        /// </summary>
        /// <param name="m"></param>
        protected override void WndProc(ref Message m)
        {
            base.WndProc(ref m);

            // check if we got a hot key pressed.
            if (m.Msg == WM_HOTKEY)
            {
                // get the keys.
                Keys key = (Keys)(((int)m.LParam >> 16) & 0xFFFF);
                ModKey modifier = (ModKey)((int)m.LParam & 0xFFFF);

                // invoke the event to notify the parent.
                if (KeyPressed != null)
                    KeyPressed(this, new KeyPressedEventArgs(modifier, key));
            }
        }

        public event EventHandler<KeyPressedEventArgs> KeyPressed;

        #region IDisposable Members

        public void Dispose()
        {
            this.DestroyHandle();
        }

        #endregion
    }

    private Window _window = new Window();
    private int _currentId;

    public KeyboardHook()
    {
        // register the event of the inner native window.
        _window.KeyPressed += delegate(object sender, KeyPressedEventArgs args)
        {
            if (KeyPressed != null)
                KeyPressed(this, args);
        };
    }

    /// <summary>
    /// Registers a hot key in the system.
    /// </summary>
    /// <param name="modifier">The modifiers that are associated with the hot key.</param>
    /// <param name="key">The key itself that is associated with the hot key.</param>
    public void RegisterHotKey(ModKey modifier, Keys key)
    {
        // increment the counter.
        _currentId = _currentId + 1;

        // register the hot key.
        if (!RegisterHotKey(_window.Handle, _currentId, (uint)modifier, (uint)key))
            throw new InvalidOperationException("Couldn’t register the hot key.");
    }

    /// <summary>
    /// A hot key has been pressed.
    /// </summary>
    public event EventHandler<KeyPressedEventArgs> KeyPressed;

    #region IDisposable Members

    public void Dispose()
    {
        // unregister all the registered hot keys.
        for (int i = _currentId; i > 0; i--)
        {
            UnregisterHotKey(_window.Handle, i);
        }

        // dispose the inner native window.
        _window.Dispose();
    }

    #endregion
}

/// <summary>
/// Event Args for the event that is fired after the hot key has been pressed.
/// </summary>
public class KeyPressedEventArgs : EventArgs
{
    private ModKey _modifier;
    private Keys _key;

    internal KeyPressedEventArgs(ModKey modifier, Keys key)
    {
        _modifier = modifier;
        _key = key;
    }

    public ModKey Modifier
    {
        get { return _modifier; }
    }

    public Keys Key
    {
        get { return _key; }
    }
}

/// <summary>
/// The enumeration of possible modifiers.
/// </summary>
[Flags]
public enum ModKey : uint
{
    Alt = 1,
    Control = 2,
    Shift = 4,
    Win = 8
}

我自己的程序如下：

public partial class Form1 : Form
{
    public Form1()
    {
        InitializeComponent();

        KeyboardHook hook = new KeyboardHook();

        hook.KeyPressed += new EventHandler<KeyPressedEventArgs>(hook_KeyPressed);
        hook.RegisterHotKey(ModKey.Win, Keys.V);
    }

    public void hook_KeyPressed(object sender, KeyPressedEventArgs e)
    {
        MessageBox.Show("Yay, the Hotkey was detected!");
    }
}

这不适用于我的电脑。由于修饰键Win，我在RegisterHotKey函数中得到一个Exception。代码完全正常，例如ModKey.Control。只有Win键不起作用。

我已经在互联网上看到了一些代码，人们使用windows密钥和user32.dll中的RegisterHotkey函数。