## Presentation Device Driver Reference for OS/2

[prev][next][parent][TOC]

### OS2_PM_DRV_ENABLE: Subfunction 06h - DisableDeviceContext - Syntax

Description:

OS2_PM_DRV_ENABLE: DisableDeviceContext is called when a device context is about to be deleted. In response, the presentation driver must release any memory and other resources that it has allocated for the DC.

    #include <os2.h>

    ULONG     ulSubfunction;  /*  06H. */

    PULONG    pParam1;

    PLONG     pParam2;        /*  Not used. */

    LONG      rc;             /*  Return codes. */

    rc = DisableDeviceContext(ulSubfunction, pParam1,

           pParam2);