public static void UnregisterHotKey(CaptureMode mode)
        {
            if (Handle == IntPtr.Zero)
            {
                return;
            }
            if (!HotKeys.ContainsKey(mode))
            {
                return;
            }

            var hotKey = HotKeys[mode];

            if (hotKey == null)
            {
                return;
            }

            if (WindowNative.UnregisterHotKey(Handle, (int)mode))
            {
                hotKey.IsRegistered = false;
            }
        }