## Presentation Device Driver Reference for OS/2

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### GreBoxBoundary

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    Syntax
    Parameters
    Returns
    Remarks
    Glossary

Simulation support:

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

Description

GreBoxBoundary draws a rectangular box with one corner at the current (X,Y) position and the opposite corner at the specified (X,Y) position. The current (X,Y) position does not change.

This function can be hooked by the presentation driver.

    #define INCL_GRE_ARCS

    #include <os2.h>

    HDC        hdc;        /*  Device context handle. */

    PPOINTL    pBox;       /*  Pointer to a BOXDATA structure: */

    PVOID      pInstance;  /*  Pointer to instance data. */

    ULONG      lFunction;  /*  High-order WORD=flags; low-order WORD=NGreBoxBoundary. */

    LONG       rc;

    rc = GreBoxBoundary(hdc, pBox, pInstance,

           lFunction);