Jessecar96/SteamBot — pull request #317 by geel9 (2013-06-01 10:10:01+00:00)
Title: Adds group chat, OnLoginCompleted() to Userhandlers

A group chat can be joined by:

SteamFriends.JoinChat(SteamIDOfGroup);

EG

SteamFriends.JoinChat(new SteamID(ulong.Parse("103582791433431050")));