client.cpp

来自「经验交流,从网上下载的好东西望大家分享」· C++ 代码 · 共 43 行

// client.cpp
#define _WIN32_DCOM
#include <iostream.h>
#include "Component\component.h"

void main()
{
	cout << "Client: Calling CoInitialize()" << endl;
	CoInitializeEx(NULL, COINIT_MULTITHREADED);
		
	IUnknown* pUnknown;
	ISum* pSum;

	cout << "Client: Calling CoCreateInstance() " << endl;
	CoCreateInstance(CLSID_InsideCOM, NULL, CLSCTX_LOCAL_SERVER, IID_IUnknown, (void**)&pUnknown);

	cout << "Client: Calling QueryInterface() for ISum on " << pUnknown << endl;
	HRESULT hr = pUnknown->QueryInterface(IID_ISum, (void**)&pSum);

	if(FAILED(hr))
		cout << "QueryInterface FAILED" << endl;

	cout << "Client: Calling Release() for pUnknown" << endl;
	hr = pUnknown->Release();

	MYTYPE sum[3];
	sum[0].a = 1;
	sum[0].b = 5;
	sum[1].a = 2;
	sum[1].b = 4;
	sum[2].a = 3;
	sum[2].b = 3;

	hr = pSum->Sum(3, sum);
	if(SUCCEEDED(hr))
		cout << "Client: Calling Sum() return value is" << endl;

	cout << "Client: Calling Release() for pSum" << endl;
	hr = pSum->Release();

	cout << "Client: Calling CoUninitialize()" << endl;
	CoUninitialize();
}