private void cycleChannel(int direction)
{
List <Channel> overlayChannels = channelList.Channels.ToList();
if (overlayChannels.Count < 2)
{
return;
}
int currentIndex = overlayChannels.IndexOf(currentChannel.Value);
currentChannel.Value = overlayChannels[(currentIndex + direction + overlayChannels.Count) % overlayChannels.Count];
channelList.ScrollChannelIntoView(currentChannel.Value);
}