Index Hierarchy TIMCallback Protocol Reference Conforms to NSObject Declared in TIMCallback.h Overview 回调 Tasks – onSucc required method – onErr:errMsg: required method Instance Methods onErr:errMsg: 消息发送失败 - (void)onErr:(int)errCode errMsg:(NSString *)errMsg Parameters errCode 失败错误码 errMsg 失败错误描述 Discussion 消息发送失败 Declared In TIMCallback.h onSucc 成功 - (void)onSucc Discussion 成功 Declared In TIMCallback.h Index Hierarchy