✔ mittels C++ Icon auf Desktop erzeugen

bool CProgramGroups::CreateLink( const GR::tChar* szPath, 
                                 const GR::tChar* szDescription, 
                                 const GR::tChar* szFile, 
                                 const GR::tChar* szIconPath, 
                                 GR::u32 dwIconIndex, 
                                 const GR::tChar* szParameter )
{

  HRESULT       hRes;

  IShellLink      *pISL;

  IPersistFile    *pIPF;

  GR::tChar       szTemp[1000];

  bool            bResult;


  if ( !SUCCEEDED( CoInitialize( NULL ) ) )
  {
    return false;
  }
  hRes = CoCreateInstance( CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER, IID_IShellLink, (void **)&pISL );
  if ( !SUCCEEDED( hRes ) )
  {
    CoUninitialize();
    return false;
  }
  hRes = pISL->QueryInterface( IID_IPersistFile, (void **)&pIPF );
  if ( !SUCCEEDED( hRes ) )
  {
    //MessageBox( NULL, "failed to query isl", "error", MB_OK | MB_APPLMODAL );
    CoUninitialize();
    return false;
  }

  pISL->SetPath( szFile );
  wsprintf( szTemp, szFile );
  do
  {
    if ( _tcslen( szTemp ) )
    {
      szTemp[_tcslen( szTemp ) - 1] = 0;
    }
    else
    {
      break;
    }
  }
  while ( szTemp[_tcslen( szTemp ) - 1] != 92 );
  pISL->SetWorkingDirectory( szTemp );

  if ( szParameter )
  {
    pISL->SetArguments( szParameter );
  }

  if ( szIconPath != NULL )
  {
    pISL->SetIconLocation( szIconPath, dwIconIndex );
  }

  GR::tString       strDummy;


  strDummy = szPath;
  if ( strDummy.length() > 0 )
  {
    if ( strDummy[strDummy.length() - 1] != 92 )
    {
      strDummy += '\\';
    }
  }
  strDummy += szDescription;
  strDummy += _T( ".lnk" );

  // falls der Shortcut schon existiert, löschen, sonst klappt Save nicht!
  DeleteFile( strDummy.c_str() );

#ifdef UNICODE
  std::wstring    wString( strDummy );
#else
  std::wstring    wString = GR::Convert::ToWString( strDummy );
#endif

  hRes = pIPF->Save( wString.c_str(), STGM_READ );
  
  if ( SUCCEEDED( hRes ) )
  {
    bResult = true;
  }
  else
  {
    bResult = false;
  }
  pIPF->Release();
  pISL->Release();

  CoUninitialize();
  return bResult;

}



bool CProgramGroups::CreateProgramLink( const GR::tChar* szDescription, 
                                        const GR::tChar* szFile, 
                                        const GR::tChar* szParameter, 
                                        const GR::tChar* szIconPath, 
                                        GR::u32 dwIconIndex, 
                                        bool bCurrentUser )
{

  GR::tChar       szStartMenuPath[MAX_PATH],
                  szTemp[1000];

  HKEY            hKey,
                  hChildKey;

  DWORD           dwType,
                  dwSize;

  GR::tString      strShellFolder = _T( "Programs" );



  if ( bCurrentUser )
  {
    hKey = HKEY_CURRENT_USER;
  }
  else
  {
    hKey = HKEY_LOCAL_MACHINE;
    strShellFolder = _T( "Common Programs" );
  }
  wsprintf( szTemp, _T( "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell Folders" ) );
  hChildKey = NULL;

  if ( RegOpenKeyEx( hKey, szTemp, 0, KEY_QUERY_VALUE, &hChildKey ) != ERROR_SUCCESS )
  {
    return false;
  }
  dwSize = sizeof( szStartMenuPath );
  RegQueryValueEx( hChildKey, strShellFolder.c_str(), NULL, &dwType, (unsigned char*)szStartMenuPath, &dwSize );
  RegCloseKey( hChildKey );
  RegCloseKey( hKey );

  return CreateLink( szStartMenuPath, szDescription, szFile, szIconPath, dwIconIndex, szParameter );

}



bool CProgramGroups::CreateDesktopLink( const GR::tChar* szDescription, 
                                        const GR::tChar* szFile, 
                                        const GR::tChar* szIconPath, 
                                        GR::u32 dwIconIndex, 
                                        bool bCurrentUser )
{

  GR::tChar       szTemp[1000],
                  szDesktopPath[MAX_PATH];

  HKEY            hKey,
                  hChildKey;

  DWORD           dwType,
                  dwSize;



  if ( bCurrentUser )
  {
    hKey = HKEY_CURRENT_USER;
  }
  else
  {
    hKey = HKEY_LOCAL_MACHINE;
  }
  wsprintf( szTemp, _T( "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell Folders" ) );
  hChildKey = NULL;

  if ( RegOpenKeyEx( hKey, szTemp, 0, KEY_QUERY_VALUE, &hChildKey ) != ERROR_SUCCESS )
  {
    return false;
  }
  dwSize = sizeof( szDesktopPath );
  RegQueryValueEx( hChildKey, _T( "Desktop" ), NULL, &dwType, (unsigned char*)szDesktopPath, &dwSize );
  RegCloseKey( hChildKey );
  RegCloseKey( hKey );

  return CreateLink( szDesktopPath, szDescription, szFile, szIconPath, dwIconIndex );

}