VMI_CMD_QUERYMODES Parameter - pOut

 pOut (PVOID) - output 
    Pointer to the pIn operation. 

    This pointer indicates one of the following, depending on the value of 
    pIn: 

    QUERYMODE_NUM_MODES 
                        Indicates a pointer to a ULONG containing the 
                        number of supported modes. 
    QUERYMODE_MODE_DATA 
                        Indicates a pointer to an array of GDDMODEINFO 
                        structures large enough for the number of 
                        supported modes.