## Presentation Device Driver Reference for OS/2

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### VRAMHWREQUESTIN

Input structure to GreEscape DEVESC_HWREQUEST. Used to acquire and deacquire hardware access.

    typedef struct _VRAMHWREQUESTIN {

      ULONG          ulLength;    /*  Length of VRAMHWREQUESTIN data structure, in bytes. */

      ULONG          ulHandle;    /*  Instance handle from register. */

      ULONG          ulID;        /*  Buffer ID for off-screen VRAM. */

      PACQUIREFB     pAcquireFB;  /*  Old DIVE data structure. */

      ULONG          ulFlags;     /*  Flag indicating type of request. */

    } VRAMHWREQUESTIN;

    typedef   VRAMHWREQUESTIN   * PVRAMHWREQUESTIN ;