/// <summary> /// 登录 /// </summary> /// <param name="user_id">用户的 UserID</param> /// <param name="user_sig">用户的 UserSig</param> /// <param name="handler">登录成功与否的回调。回调函数定义请参考 TIMCommCallback</param> public static TIMResult IMLogin(string user_id, string user_sig, LoginResultDelegate handler = null) { var ptr = DelegateConverter.ConvertToIntPtr(handler); return((TIMResult)TIMClientAPIDef.TIMLogin(user_id, user_sig, LoginResultCallBack, ptr)); }