Invoking web methods from a C++ console application

#include <wchar.h> #import "XYSoapClient.dll" using namespace XYSOAPCLIENTLib; void main(int argc, char* argv[]) { if(argc<3||argc>8) { wprintf(L"Invalid number of arguments\r\n"); wprintf(L"Usage:\r\n\tXYSoapClientApp.exe ServiceURL MethodName [Input1 [Input2 [Input3 [Input4 [Input5]]]]]"); return; } // initialize com ::CoInitialize(NULL); // declare smart pointer for the XYSoapClient type IXYSoapClientPtr pSoapClient; // create an XYSoapClient object pSoapClient.CreateInstance(__uuidof(XYSoapClient)); try { // uncomment the following line if you want to use soap toolkit 2.0 // pSoapClient->SetSoapToolkitVersion(_bstr_t(L"2.0")); // the url for the WSDL file for the service _bstr_t sWSDL = argv[1]; // the empty string _bstr_t sEmpty = L""; // call InitService if(pSoapClient->InitService(sWSDL, sEmpty, sEmpty, sEmpty)) { // the name of the method to be invoked _bstr_t sMethodName = argv[2]; // the input strings of the method _variant_t sInput1, sInput2, sInput3, sInput4, sInput5; // return string _variant_t sRet; // invoke the method switch(argc) { case 3: // no argument sRet = pSoapClient->InvokeMethod(sMethodName); break; case 4: // one argument sInput1 = argv[3]; sRet = pSoapClient->InvokeMethod(sMethodName, sInput1); break; case 5: // two argument sInput1 = argv[3]; sInput2 = argv[4]; sRet = pSoapClient->InvokeMethod(sMethodName, sInput1, sInput2); break; case 6: // three argument sInput1 = argv[3]; sInput2 = argv[4]; sInput3 = argv[5]; sRet = pSoapClient->InvokeMethod(sMethodName, sInput1, sInput2, sInput3); break; case 7: // four argument sInput1 = argv[3]; sInput2 = argv[4]; sInput3 = argv[5]; sInput4 = argv[6]; sRet = pSoapClient->InvokeMethod(sMethodName, sInput1, sInput2, sInput3, sInput4); break; case 8: // five argument sInput1 = argv[3]; sInput2 = argv[4]; sInput3 = argv[5]; sInput4 = argv[6]; sInput5 = argv[7]; sRet = pSoapClient->InvokeMethod(sMethodName, sInput1, sInput2, sInput3, sInput4, sInput5); break; default: // impossible break; } // print the output string wprintf(L"Output:\r\n\t%s", (const wchar_t*)((_bstr_t)sRet)); } // add code to call another web service // ... } catch(...) { // unexpected soap error wprintf(L"Soap error:\r\n\t%s", (const wchar_t*)pSoapClient->GetLastError()); } // clean up the XYSoapClient object pSoapClient.Release(); // uninitialize com ::CoUninitialize(); }