mci_Group_Parms

type mci_Group_Parms = record

  hwndCallback: hwnd;

  usGroupID: Integer;

  usReserved0: Integer;

  ulStructLength: LongInt;

  usMasterID: Integer;

  usReserved1: Integer;

  pszGroupAlias: PAnsiChar;

  ulNumDevices: LongInt;

  paulDeviceID: PLongInt;

end;