GfxControl

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GfxControl

PREVENT_DIRECT_BITMAP_ACCESS=PDBA/S,
ALLOW_DIRECT_BITMAP_ACCESS=ADBA/S,
DUMP/S

C:

Change some internal options of cybergraphics.library

PREVENT_DIRECT_BITMAP_ACCESS   --  Causes LockBitMapTagList() calls to
                                   always fail

ALLOW_DIRECT_BITMAP_ACCESS     --  Allow LocKBitMapTagList() to go to
                                   gfx driver which may or may not
                                   support it. (default)

DUMP                           --  Show current settings

Standard DOS return codes.

By default