public static extern bool FDICopy( FdiHandle hfdi, string pszCabinet, string pszCabPath, int flags, FNFDINOTIFY pfnfdin, IntPtr pfnfdid, IntPtr pvUser);
public static unsafe extern bool FDICopy( FdiHandle hfdi, string pszCabinet, string pszCabPath, int flags, FNFDINOTIFY pfnfdin, void *pfnfdid, void *pvUser);
public static extern bool FDIIsCabinet( FdiHandle hfdi, IntPtr hf, ref CabinetInfo pfdici);