问如何在.NET中创建键盘快捷键

EN

class KeyboardShortcuts
{
    public static void Window_KeyDown(object sender, System.Windows.Input.KeyEventArgs e)
    {
        if (m_keysDownList.Contains(e.Key) == false)
        {
            m_keysDownList.Add(e.Key);
            Debug.WriteLine(e.Key.ToString() + " Down");
        }

        CheckForKeyCombos();
    }

    public static void Window_KeyUp(object sender, System.Windows.Input.KeyEventArgs e)
    {
        m_keysDownList.Remove(e.Key);
        Debug.WriteLine(e.Key.ToString() + " Up");
    }


    public static void CheckForKeyCombos()
    {
        if (m_keysDownList.Contains(System.Windows.Input.Key.LeftCtrl))
        {
            if (m_keysDownList.Contains(System.Windows.Input.Key.A))
            {
                if (m_keysDownList.Contains(System.Windows.Input.Key.C))
                {
                    // Clear list before handeling ( Dialogue boxes
                    // can hinder the listening for key up events, leaving
                    // keys in list - so clear first ).
                    ClearKeysDownList();

                    // Handle Ctrl + A + C Combo
                    HandleCtrlACCombo();
                }
            }
        }
    }

    private static void ClearKeysDownList()
    {               
        m_keysDownList.Clear();
    }

    public static void HandleCtrlACCombo()
    {
        if (handleCtrlACComboDelegate != null)
        {
            handleCtrlACComboDelegate();
        }
    }

    // Need a delegate instance for each combo 
    public delegate void HandleCtrlACComboDelegate();
    public static HandleCtrlACComboDelegate handleCtrlACComboDelegate;

    private static List<System.Windows.Input.Key> m_keysDownList = new List<System.Windows.Input.Key>();
}