C# 调用腾讯即时通信 IM
IM SDK API 概述 https://cloud.tencent.com/document/product/269/33543 /// <summary> /// IM SDK 初始化。 /// </summary> /// <param name="sdk_app_id"></param> /// <param name="json_sdk_config"></param> /// <returns></returns> [DllImport(@"imsdk.dll", CallingConvention = CallingConvention.Cdecl, CharSet = CharSet.Ansi)] public extern static int TIMInit(long sdk_app_id, string json_sdk_config); /// <summary> /// 登录 /// </summary> /// <param name="user_id">用户id</param> /// <param name="user_sig">签名</param> /// <param name="cb"></param> /// <returns></returns> [DllImport(@"imsdk.dll", CallingConvention =