private void IrcClient_LocalUser_LeftChannel(object sender, IrcChannelEventArgs e)
{
var localUser = (IrcLocalUser)sender;
e.Channel.UserJoined -= IrcClient_Channel_UserJoined;
e.Channel.UserLeft -= IrcClient_Channel_UserLeft;
e.Channel.MessageReceived -= IrcClient_Channel_MessageReceived;
e.Channel.NoticeReceived -= IrcClient_Channel_NoticeReceived;
OnLocalUserLeftChannel(localUser, e);
}