This method gets the active background color.
HRESULT get_ActiveBackColor( OLE_COLOR *pclr );
NOERROR indicates success. E_INVALIDARG indicates that an invalid argument has been entered.
Use the GetRValue, GetGValue, and GetBValue macros to get the color components of pclr.
IASPlayList::put_ActiveBackColor, GetRValue, GetGValue, GetBValue