// #pragmas are used here to insure that the structure's
// packing in memory matches the packing of the EXE or DLL.
#pragma pack( push )
#pragma pack( 2 )
typedef struct
{
   WORD            idReserved;   // Reserved (must be 0)
   WORD            idType;       // Resource type (1 for icons)
   WORD            idCount;      // How many images?
   GRPICONDIRENTRY   idEntries[1]; // The entries for each image
} GRPICONDIR, *LPGRPICONDIR;
#pragma pack( pop )


#pragma pack( push )
#pragma pack( 2 )
typedef struct
{
   BYTE   bWidth;               // Width, in pixels, of the image
   BYTE   bHeight;              // Height, in pixels, of the image
   BYTE   bColorCount;          // Number of colors in image (0 if >=8bpp)
   BYTE   bReserved;            // Reserved
   WORD   wPlanes;              // Color Planes
   WORD   wBitCount;            // Bits per pixel
   DWORD   dwBytesInRes;         // how many bytes in this resource?
   WORD   nID;                  // the ID
} GRPICONDIRENTRY, *LPGRPICONDIRENTRY;
#pragma pack( pop )

HMODULE hExe = LoadLibrary("TestRes.exe");
EnumResourceTypes(hExe, (ENUMRESTYPEPROC)ResTypes, 0);

// Find the group resource which lists its images
                            /* Need to set "IconGrpName" this from ResTypee */
HRSRC hRsrc = FindResource( hExe, MAKEINTRESOURCE(1), RT_GROUP_ICON );
// Load and Lock to get a pointer to a GRPICONDIR
HGLOBAL hGlobal = LoadResource( hExe, hRsrc );
GRPICONDIR *lpIconGroup = new GRPICONDIR[ SizeofResource( hExe, hRsrc ) ];
RtlZeroMemory( lpIconGroup, SizeofResource( hExe, hRsrc ) );
lpIconGroup = (GRPICONDIR*)LockResource( hGlobal );
// We now have the header of the icon file now we need all the icons.

cout << "Icon Count: " << lpIconGroup->idCount << endl;
cout << "Type: " << lpIconGroup->idType  << endl;
cout << "idReserved: " << lpIconGroup->idReserved << endl;
for ( unsigned i = 0; i < lpIconGroup->idCount; i++ )
{
    cout << "\tEntry ID: " << lpIconGroup->idEntries[i].nID << endl;
    cout << "\tEntry Height: " << (int)lpIconGroup->idEntries[i].bHeight << endl;
    cout << "\tEntry Height: " << (int)lpIconGroup->idEntries[i].bWidth << endl;
    cout << "\tEntry Size: " << lpIconGroup->idEntries[i].dwBytesInRes << endl << endl;
}