updates which type of lobby it is
only lobbies that are k_ELobbyTypePublic or k_ELobbyTypeInvisible, and are set to joinable, will be returned by RequestLobbyList() calls
public static bool SetLobbyType(CSteamID steamIDLobby, ELobbyType eLobbyType) { InteropHelp.TestIfAvailableClient(); return NativeMethods.ISteamMatchmaking_SetLobbyType(steamIDLobby, eLobbyType); }