Windows编程

开发平台：

Visual C++

client.cpp：源码内容

							 // client.cpp
#define _WIN32_DCOM
#include <iostream.h>  // For cout
#include "Componentcomponent.h" // Generated by MIDL
void __stdcall MyThread(IStream* pScream)
{
	HRESULT hr = CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
	if(FAILED(hr))
		cout << "CoInitializeEx failed" << endl;
	ISum* pSum;
	CoGetInterfaceAndReleaseStream(pScream, IID_ISum, (void**)&pSum);
	for(int count = 0; count < 10; count++)
	{
		int sum;
		hr = pSum->Sum(count, count, &sum);
		cout << "Client: Calling Sum(" << count << ", " << count << ") = " << sum << endl;
	}
	pSum->Release();
	CoUninitialize();
}
void main()
{
	cout << "Client: Calling CoInitialize()" << endl;
	HRESULT hr = CoInitializeEx(NULL, COINIT_MULTITHREADED);
	if(FAILED(hr))
		cout << "CoInitializeEx failed" << endl;
	cout << "Client: Calling CoCreateInstance()" << endl;
	ISum* pSum;
	hr = CoCreateInstance(CLSID_InsideCOM, NULL, CLSCTX_INPROC_SERVER, IID_ISum, (void**)&pSum);
	if(FAILED(hr))
		cout << "CoCreateInstance failed" << endl;
	IStream* pStream;
	CoMarshalInterThreadInterfaceInStream(IID_ISum, pSum, &pStream);
	DWORD threadid;
	HANDLE thread_handle = CreateThread(0, 0, (LPTHREAD_START_ROUTINE)MyThread, (void*)pStream, 0, &threadid);
	int sum;
	hr = pSum->Sum(2, 3, &sum);
	if(SUCCEEDED(hr))
		cout << "Client: Calling Sum(2, 3) = " << sum << endl;
	hr = pSum->Release();
	cout << "Client: Calling pSum->Release() reference count = " << hr << endl;
	WaitForSingleObject(thread_handle, INFINITE);
	cout << "Client: Calling CoUninitialize()" << endl;
	CoUninitialize();
}

						