public static CThostFtdcMdApi CreateFtdcMdApi() { global::System.IntPtr cPtr = CTPMarketCppWrapperPINVOKE.CThostFtdcMdApi_CreateFtdcMdApi__SWIG_3(); CThostFtdcMdApi ret = (cPtr == global::System.IntPtr.Zero) ? null : new CThostFtdcMdApi(cPtr, false); return(ret); }