Simulation support:

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

Description

GreSetupDC initializes the device context to the region determined by flOptions.

This function can be hooked by the presentation driver.

#define INCL_GRE_CLIP
#include <os2.h>

HDC       hdc;         /*  Device context handle. */
HRGN      hrgnVis;     /*  Visible region handle. */
LONG      xOrg;        /*  X-coordinate of DC origin, specified in screen coordinates. */
LONG      yOrg;        /*  Y-coordinate of DC origin, specified in screen coordinates. */
PRECTL    prclBounds;  /*  Bounding rectangle in device coordinates. */
ULONG     flOptions;   /*  Option flags. */
PVOID     pInstance;   /*  Pointer to instance data. */
ULONG     lFunction;   /*  High-order WORD=flags; low-order WORD=NGreSetupDC. */
BOOL      fSuccess;    /*  Return codes. */

fSuccess = GreSetupDC(hdc, hrgnVis, xOrg,
             yOrg, prclBounds, flOptions,
             pInstance, lFunction);