testcreditobject.cpp

Visual_C++[1].NET_Bible1 Visual_C++宝典书中的全部源码

// TestCreditObject.cpp 
#include "stdafx.h"
#import "..\CreditServer\CreditServer\Debug\CreditServer.tlb" \
	no_namespace named_guids

void __stdcall AnotherThread(IStream* pIS)
{
	// STA second thread
	HRESULT hr = CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
 
	try
	{
		ICreditVerificationPtr p;
		hr = CoGetInterfaceAndReleaseStream(pIS, 
			IID_ICreditVerification, (void**)&p);
		if (FAILED(hr))
			_com_issue_error(hr);
 
		p->SetCardType("Visa");
		if (p->VerifyCardNumber(3) == S_OK)
			MessageBox(0, "AnotherThread: Card Verified", "OK", 0);
		else
			MessageBox(0, "AnotherThread: Card Rejected", 0, 0);
	}
	catch (_com_error &e)
	{
		cout << "AnotherThread: " << e.ErrorMessage() << "\n";
	}
 
	CoUninitialize();
}

int _tmain(int argc, _TCHAR* argv[])
{
	HANDLE tH;
	IStream* pIS;

	CoInitializeEx(NULL, COINIT_MULTITHREADED);

	try
	{
		ICreditVerificationPtr p(CLSID_CreditVerification);
		HRESULT hr = CoMarshalInterThreadInterfaceInStream(
			IID_ICreditVerification, p, &pIS);
		if (FAILED(hr))
			_com_issue_error(hr);

		DWORD tID;
		tH = CreateThread(0, 0, 
			(LPTHREAD_START_ROUTINE)AnotherThread, (void*)pIS, 0, &tID);

		p->SetCardType("MasterCard");
		if (p->VerifyCardNumber(1234) == S_OK)
			MessageBox(0, "Main Thread: Card Verified", "OK", 0);
		else
			MessageBox(0, "Main Thread: Card Rejected", 0, 0);

	}
	catch(_com_error& e)
	{
		MessageBox(0, e.ErrorMessage(), 0, 0);
	}

	WaitForSingleObject(tH, INFINITE);
	CoUninitialize();
}