public bool IsAlreadyRegistered(Hotkey hotkey)
{
if (User32.RegisterHotKey(m_dummyWindow.Handle, hotkey.GetHashCode(), (int)hotkey.Modifiers, (int)hotkey.Key))
{
bool success = User32.UnregisterHotKey(m_dummyWindow.Handle, hotkey.GetHashCode());
Debug.Assert(success);
return(false);
}
return(true);
}
/// <summary>
/// Registers the hotkey.
/// </summary>
/// <param name="hotkey">The hotkey.</param>
/// <param name="handler">The handler.</param>
/// <exception cref="ArgumentException">If the given hotkey is already registered in our application.</exception>
/// <returns></returns>
public bool RegisterHotkey(Hotkey hotkey, EventHandler handler)
{
if (hotkey == Hotkey.None)
{
return(true);
}
if (m_hotkeyHandlers.Keys.Contains(hotkey))
{
throw new ArgumentException("Hotkey " + hotkey + " is already registered");
}
if (handler == null)
{
throw new ArgumentException("", "handler");
}
if (User32.RegisterHotKey(m_dummyWindow.Handle, hotkey.GetHashCode(), (int)hotkey.Modifiers, (int)hotkey.Key))
{
m_hotkeyHandlers[hotkey] = handler;
return(true);
}
return(false);
}
/// <summary>
/// Unregisters the hotkey.
/// </summary>
/// <param name="hotkey">The hotkey.</param>
/// <returns></returns>
public bool UnregisterHotkey(Hotkey hotkey)
{
m_hotkeyHandlers.Remove(hotkey);
return(User32.UnregisterHotKey(m_dummyWindow.Handle, hotkey.GetHashCode()));
}
