GHI_CMD_VRAM - Parameters

 gid (GID) - input 
    ID of the GRADD. 
 

 ulFunction (ULONG) - input 
    Set equal to GHI_CMD_VRAM. 
 

 pIn (PVOID) - input 
    Pointer to a VRAMIN data structure. 
 

 pOut (PVOID) - output 
    Pointer to a function-specific output data structure. 

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

    If the ulFunction field of the VRAMIN structure pointed to by pIn is 
    set to VRAM_REGISTER or VRAM_DEREGISTER, then pOut points to a 
    VRAMREGISTEROUT data structure. 
 

 rc (ULONG) - returns 
    Return codes. 

    RC_UNSUPPORTED        
    RC_SUCCESS            
    RC_ERROR