public ChannelUser GetChannelUser(string channelname, string nickname) { if (channelname == null) { throw new System.ArgumentNullException("channel"); } if (nickname == null) { throw new System.ArgumentNullException("nickname"); } Channel channel = GetChannel(channelname); if (channel != null) { return (ChannelUser)channel.UnsafeUsers[nickname]; } else { return null; } }