var client = new IrcClient("irc.freenode.net", new IrcUser("ChatSharp", "ChatSharp"));

client.ConnectionComplete += (s, e) => client.JoinChannel("#botwar");

client.ChannelMessageRecieved += (s, e) =>
{
    var channel = client.Channels[e.PrivateMessage.Source];

    if (e.PrivateMessage.Message == ".list")
        channel.SendMessage(string.Join(", ", channel.Users.Select(u => u.Nick)));
    else if (e.PrivateMessage.Message.StartsWith(".ban "))
    {
        if (!channel.UsersByMode['@'].Contains(client.User))
        {
            channel.SendMessage("I'm not an op here!");
            return;
        }
        var target = e.PrivateMessage.Message.Substring(5);
        client.WhoIs(target, whois => channel.ChangeMode("+b *!*@" + whois.User.Hostname));
    }
};

client.ConnectAsync();

while (true) ; // Waste CPU cycles