GHI_CMD_PALETTE - Parameters

 gid (GID) - input 
    ID of the GRADD. 
 

 ulFunction (ULONG) - input 
    Set equal to GHI_CMD_PALETTE. 
 

 pIn (PVOID) - input 
    Pointer to an HWPALETTEINFO structure. 
 

 pOut (PVOID) - output 
    NULL; no output structure is needed. 
 

 rc (ULONG) - returns 
    Return codes. 

    RC_SUCCESS            
    RC_ERROR