## Presentation Device Driver Reference for OS/2

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

### OS2_PM_DRV_ENABLE: Subfunction 01h - FillLogicalDeviceBlock Parameter - pParam1

pParam1 (PULONG) - input A pointer to the following structure:

ulVersion Version number in binary coded decimal (BCD) of the graphic engine.

cTableSize The number of entries in the dispatch table. The presentation driver should not replace pointers past the end of the table.