Simulation support:

This function is simulated by a handling routine in the graphics engine.

Description

GreSaveXformData stores the current transform state in pBuffer.

This function can be hooked by the presentation driver.

#define INCL_GRE_XFORMS
#include <os2.h>

HDC      hdc;        /*  Device context handle. */
ULONG    ulSize;     /*  Size in bytes required for pBuffer. */
PVOID    pInstance;  /*  Pointer to instance data. */
ULONG    lFunction;  /*  High-order WORD=flags; low-order WORD=NGreSaveXformData. */
ULONG    rc;         /*  Return codes. */

rc = GreSaveXformData(hdc, ulSize, pInstance,
       lFunction);