public Channel GetNextSiblingChannel()
{
ChannelFolder parentChannel = this.Parent;
if (parentChannel != null)
{
int pos = parentChannel.ChannelList.IndexOf(this);
if (pos >= 0 && pos < parentChannel.ChannelList.Count - 1)
{
return(parentChannel.ChannelList[pos + 1]);
}
}
return(null);
}
public Channel GetPreviousSiblingChannel()
{
ChannelFolder parentChannel = this.Parent;
if (parentChannel != null)
{
int pos = parentChannel.ChannelList.IndexOf(this);
if (pos > 0)
{
return(parentChannel.ChannelList[pos - 1]);
}
}
return(null);
}