// SimpleInterfacesClient.cpp : 
//   Illustrates full COM compatibility
//

// std::out etc
#include <iostream>
#include <windows.h>

#include "SimpleInterfaces_i.c"
#include "SimpleInterfaces.h"

int main(int argc, char* argv[])
{
  HRESULT hr;
  IX* pX  = NULL;
  IY* pY  = NULL;

  CoInitialize( NULL );

  hr = CoCreateInstance(
    CLSID_CA, 
    NULL, 
    CLSCTX_ALL, 
    IID_IX, 
    (void**) &pX);

  if ( !SUCCEEDED(hr) )
  {
    std::cout << "ERROR: Unable to create Interface Object!!\n";
    switch(hr)
    {
    case REGDB_E_CLASSNOTREG:
      std::cout << "     Class not registered.\n";
      break;
    case E_NOINTERFACE :
      std::cout << "     No such interface implemented.\n";
      break;
    case CLASS_E_NOAGGREGATION  :
      std::cout << "     No aggregation.\n";
      break;
    default:
      std::cout << "     Unexpected error.\n";
      break;
    }
  }
        
  else
  {
    pX->Fx1();
    pX->Fx2();

	hr = pX->QueryInterface (IID_IY, (void**) &pY);
    if ( !SUCCEEDED(hr) )
	{
       std::cout << "ERROR: Unable to return pointer to IY!!\n";
	}
	else
	{
		pY->Fy1();
		pY->Fy2();
		pY->Release();
		pY = NULL;
	}

    pX->Release();
    
    pX = NULL;
  }

  CoUninitialize();
  return 0;
}