Simulation support:

This function is simulated by a handling routine in Revision 2.0 (or higher) of the graphics engine.

Description

GreRealizePalette is called by the Window Manager during processing of a call to WinRealizePalette. GreRealizePalette takes a logical palette and assigns it slots in the hardware palette.

This function can be hooked by the presentation driver.

#define INCL_GRE_PALETTE
#include <os2.h>

HDC       hdc;             /*  Device context handle. */
PULONG    pflType;         /*  Specifies whether the DC is a foreground or background window. */
PULONG    pcSlotsChanged;  /*  Pointer to the returned count of hardware slots changed. */
PVOID     pInstance;       /*  Pointer to instance data. */
ULONG     lFunction;       /*  High-order WORD=flags; low-order WORD=NGreRealizePalette. */
ULONG     rc;              /*  Return codes. */

rc = GreRealizePalette(hdc, pflType, pcSlotsChanged,
       pInstance, lFunction);