## Graphics Adapter Device Driver Reference

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### VRAMIN Field - pIn

pIn (PVOID) Pointer to an allocate or register packet.

If the ulFunction field of the VRAMIN structure is set to VRAM_ALLOCATE, VRAM_DEALLOCATE, or VRAM_QUERY, then pIn points to a VRAMALLOCIN data structure.

If the ulFunction field of the VRAMIN structure is set to VRAM_REGISTER or VRAM_DEGISTER, then pIn points to a VRAMREGISTERIN data structure.