for(int N=0;N<pIcoGrp->idCount;N++){
          ICONDIRENTRY    *pIcoF = &pIcoDir->idEntries[0]+N;
          GRPICONDIRENTRY *pIcoR = &pIcoGrp->idEntries[0]+N;

          memcpy(pIcoR,pIcoF,sizeof(GRPICONDIRENTRY)-sizeof(WORD));

          pIcoR->nID = N+100;
          // Update the resource
          if(
               UpdateResource(
                    hHandle,
                    RT_ICON,
                    MAKEINTRESOURCE(1),
                    MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL),
                    ((LPVOID)pIcoDir)+pIcoF->dwImageOffset,
                    pIcoF->dwBytesInRes
               ) == 0){
               printf("Error at Update resource (1) : 0x%X... ",GetLastError());
               exit(9);
          }
     }