VMI_CMD_QUERYMODES - Parameters

 gid (GID) - input 
    ID of the GRADD. 
 

 ulFunction (ULONG) - input 
    Set equal to VMI_CMD_QUERYMODES. 
 

 pIn (PVOID) - input 
    Pointer that identifies a QUERYMODE operation. 

    This pointer identifies one of the following operations: 

    QUERYMODE_NUM_MODES   
    QUERYMODE_MODE_DATA   
 

 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.   
 

 rc (ULONG) - returns 
    Return codes. 

    RC_SUCCESS            
    RC_ERROR