ppalinfo (PPALETTEINFO) - input
Pointer to table of palette data from GreCreatePalette. The structure of palinfo is as follows:
struct _PALETTEINFO { /* palinfo */
ULONG flCmd; /* Options from create */
ULONG ulFormat; /* Specifies format of entries at create */
/* Must be LCOLF-CONSECRGB */
ULONG clColorData; /* Count of Palette entries */
RGB2 argb[0]; /* Palette entries */
} PALETTEINFO; Additional RGB@ entries follow so that CLColorData-1 entries are
defined.