C++ com 组件的使用

// CommonTest.cpp : This file contains the 'main' function. Program execution begins and ends there.

//

#include <iostream>

#include <atlbase.h>

#include "mbnapi.h"

int main()

{

HRESULT hr = CoInitializeEx(NULL, COINIT_MULTITHREADED);

if (FAILED(hr))

{

return -1;

}

CComPtr<IMbnInterfaceManager>  mbnInterfaceMgr = NULL;

hr = CoCreateInstance(CLSID_MbnInterfaceManager,NULL,CLSCTX_ALL,IID_IMbnInterfaceManager,(void**)&mbnInterfaceMgr);

if (FAILED(hr))

{

return -1;

}

SAFEARRAY* psa = NULL;

hr = mbnInterfaceMgr->GetInterfaces(&psa);

if (FAILED(hr))

{

CoUninitialize();

return -1;

}

LONG lLower;

hr = SafeArrayGetLBound(psa, 1, &lLower);

if (FAILED(hr))

{

CoUninitialize();

return -1;

}

LONG lUpper;

hr = SafeArrayGetUBound(psa, 1, &lUpper);

if (FAILED(hr))

{

CoUninitialize();

return -1;

}

CComPtr<IMbnInterface>  pInf = NULL;

for (LONG l = lLower; l <= lUpper; l++)

{

hr = SafeArrayGetElement(psa, &l, (void*)(&pInf));

if (SUCCEEDED(hr))

{

CComPtr<IMbnSubscriberInformation> subscriberInf = NULL;

hr = pInf->GetSubscriberInformation(&subscriberInf);

if (SUCCEEDED(hr)) {

WCHAR tszID[256] = { L'\0' };

hr = subscriberInf->get_SubscriberID((BSTR*)&tszID);

if (SUCCEEDED(hr)) {

std::wcout << L"SubscriberID: " << tszID <<std::endl;

}

}

}

}

SafeArrayDestroy(psa);

CoUninitialize();

return 0;

}

// Run program: Ctrl + F5 or Debug > Start Without Debugging menu

// Debug program: F5 or Debug > Start Debugging menu

// Tips for Getting Started:

//   1. Use the Solution Explorer window to add/manage files

//   2. Use the Team Explorer window to connect to source control

//   3. Use the Output window to see build output and other messages

//   4. Use the Error List window to view errors

//   5. Go to Project > Add New Item to create new code files, or Project > Add Existing Item to add existing code files to the project

//   6. In the future, to open this project again, go to File > Open > Project and select the .sln file