获取API的版本信息
◇ 1. 函数原型
virtual const char * GetApiVersion () = 0;
◇ 2. 返回
const char * 返回一个指向版本字符串的指针
◇ 3. 调用示例
CThostFtdcMdApi *pUserMdApi = CThostFtdcMdApi::CreateFtdcMdApi();
printf("版本号为:%s\n", pUserMdApi->GetApiVersion());
CSimpleMdHandler ash(pUserMdApi);
pUserMdApi->RegisterSpi(&ash);
pUserMdApi->RegisterFront(“tcp://127.0.0.1:41205”);
pUserMdApi->Init();
◇ 4. FAQ
无

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