typedef struct {
        DWORD        bV4Size;
        LONG         bV4Width;
        LONG         bV4Height;
        WORD         bV4Planes;
        WORD         bV4BitCount;
        DWORD        bV4V4Compression;
        DWORD        bV4SizeImage;
        LONG         bV4XPelsPerMeter;
        LONG         bV4YPelsPerMeter;
        DWORD        bV4ClrUsed;
        DWORD        bV4ClrImportant;
        DWORD        bV4RedMask;
        DWORD        bV4GreenMask;
        DWORD        bV4BlueMask;
        DWORD        bV4AlphaMask;
        DWORD        bV4CSType;
        CIEXYZTRIPLE bV4Endpoints;
        DWORD        bV4GammaRed;
        DWORD        bV4GammaGreen;
        DWORD        bV4GammaBlue;
} BITMAPV4HEADER, FAR *LPBITMAPV4HEADER, *PBITMAPV4HEADER;