chapter9_collectionclient.cpp

这是ATL电子书的随书代码

//
// Chapter9_CollectionClient.cpp
//

#include <windows.h>
#include <tchar.h>
#include <iostream.h>
#include <initguid.h>

#include <atlbase.h>

#include "..\Chapter9_CollectionServer\Chapter9_CollectionServer_i.c"
#include "..\Chapter9_CollectionServer\Chapter9_CollectionServer.h"

int main( int argc, char *argv[] )
{
   cout << "Initializing COM" << endl;
   if ( FAILED( CoInitialize( NULL )))
   {
      cout << "Unable to initialize COM" << endl;
      return -1;
   }
   // Get the class factory
   IApplication* pApp;
   HRESULT hr = CoCreateInstance( CLSID_Application,
                        NULL,
                        CLSCTX_SERVER,
                        IID_IApplication,
                        (void**) &pApp );
   if ( FAILED( hr ))
   {
      cout.setf( ios::hex, ios::basefield );
      cout << "Failed to create server instance. HR = " << hr << endl;
      return -1;
   }
   cout << "Instance created" << endl;
   IMovieCollection *pMovies;
   pApp->get_Movies( (IDispatch**) &pMovies );
   long lCount;
   pMovies->get_Count( &lCount );
   for ( int i = 0; i < lCount; i++ )
   {
      USES_CONVERSION;
      IMovie* pMovie = 0;
      pMovies->get_Item( i + 1, &pMovie );
   
      BSTR bstr = 0;
      pMovie->get_Title( &bstr );
      cout << W2A( bstr ) << " - ";
      SysFreeString( bstr );
      pMovie->get_Director( &bstr );
      cout << W2A( bstr ) << endl;
      SysFreeString( bstr );
 
      pMovie->Release();
   }
   pMovies->Release();
   cout << "Shuting down COM" << endl;
   CoUninitialize();
   return 0;
}