///////////////////////////////////////////////////////////////
//  client.cpp -  client for component inproc_Ex1            //
//                                                           //
//  Platform:     Micron Dual Pentium 200, WinNT 4.0, SP3    //
//  Application:  Demonstration for CSE791 - Distrib. Objs   //
//  Authors:      Eddon & Eddon, Inside Distributed COM,     //
//                Microsoft Press, 1998                      //
//  Modified:     Jim Fawcett, Syracuse Univ, CST 2-187      //
//                (315) 443-3948, fawcett@ecs.syr.edu        //
///////////////////////////////////////////////////////////////

#include <string>
#include <iostream>
#include <objbase.h>
#include "..\component\cmpnt.h"
using namespace std;

int main()
{

  cout << "\n  Testing in-proc component that uses IDL "
       << "\n          to define its interfaces        "
       << "\n =========================================\n" << endl;

  // Initialize COM Library
  CoInitialize(NULL) ;

  string prefix = "  Client: \t\t";
  wstring Lprefix = L"  Client: \t\t";

  cout << prefix + "Call to CoCreateInstance to create" << endl;
  cout << prefix + "  component and get interface IString." << endl;
  IString* pIString = NULL ; 
  HRESULT hr = ::CoCreateInstance(CLSID_inproc1_Ex1,
                                  NULL, 
                                  CLSCTX_INPROC_SERVER,
                                  IID_IString, 
                                  (void**)&pIString) ;
  if (SUCCEEDED(hr))
  {
    cout << prefix + "Succeeded getting IString." << endl;
    hr = pIString->Fx(L"message from client") ;
    if(SUCCEEDED(hr))
      cout << prefix + "Fx call succeeded" << endl;
    else
      cout << prefix + "Client:   call to Fx failed" << endl;
    BSTR bstr = 0;
    hr = pIString->Fy(&bstr) ;
    if(SUCCEEDED(hr)) {
      cout << prefix + "Fy call succeeded" << endl;
      wcout << Lprefix + L" " << bstr << endl;
      wcout << Lprefix + L"free BSTR memory" << endl;
      SysFreeString(bstr);
    }
    else
      cout << prefix + "Client:   call to Fx failed" << endl;
  }
  else
  {
    cout << prefix + "Could not get interface IString.\n\n";
    CoUninitialize() ;
    return 1;
  }

//

  cout << prefix + "Release IString interface." << endl;
  pIString->Release() ;

  // Uninitialize COM Library
  CoUninitialize() ;

  cout << endl;
  return 0 ;
}