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// 
// Client.cpp - client implementation 
// 
#include  
#include  
 
#include "Iface.h" 
 
void trace(const char* msg) { cout << "Client: \t\t" << msg << endl ;} 
 
// 
// main function 
// 
int main() 
{ 
	// Initialize COM Library 
	CoInitialize(NULL) ; 
 
	trace("Call CoCreateInstance to create") ; 
	trace("  component and get interface IX.") ; 
	IX* pIX = NULL ;  
	HRESULT hr = ::CoCreateInstance(CLSID_Component1, 
	                                NULL,  
	                                CLSCTX_INPROC_SERVER, 
	                                IID_IX,  
	                                (void**)&pIX) ; 
	if (SUCCEEDED(hr)) 
	{ 
		trace("Succeeded getting IX.") ; 
		pIX->Fx() ;          // Use interface IX. 
 
		trace("Ask for interface IY.") ; 
		IY* pIY = NULL ; 
		hr = pIX->QueryInterface(IID_IY, (void**)&pIY) ; 
		if (SUCCEEDED(hr)) 
		{ 
			trace("Succeeded getting IY.") ; 
			pIY->Fy() ;       // Use interface IY. 
			pIY->Release() ; 
			trace("Release IY interface.") ; 
		} 
		else 
		{ 
			trace("Could not get interface IY.") ; 
		} 
 
		trace("Ask for interface IZ.") ; 
 
		IZ* pIZ = NULL ; 
		hr = pIX->QueryInterface(IID_IZ, (void**)&pIZ) ; 
		if (SUCCEEDED(hr)) 
		{ 
			trace("Succeeded in getting interface IZ.") ; 
			pIZ->Fz() ; 
			pIZ->Release() ; 
			trace("Release IZ interface.") ; 
		} 
		else 
		{ 
			trace("Could not get interface IZ.") ; 
		} 
 
		trace("Release IX interface.") ; 
		pIX->Release() ; 
	} 
	else 
	{ 
		cout << "Client: \t\tCould not create component. hr = " 
		     << hex << hr << endl ;     
	} 
 
	// Uninitialize COM Library 
	CoUninitialize() ; 
 
	return 0 ; 
}