/// <summary> /// 查看麦序头元素 /// </summary> /// <param name="roomID">聊天室ID</param> /// <param name="cb">回调函数</param> /// <param name="json"></param> public static void QueueHeaderAsync(long roomID, ChatRoomQueueHeaderDelegate cb, string json = null) { var ptr = NimUtility.DelegateConverter.ConvertToIntPtr(cb); ChatRoomNativeMethods.nim_chatroom_queue_header_async(roomID, json, CallbackBridge.ChatroomQueueHeaderCallback, ptr); }