private static string GetTypeLibName(NativeMethods.ITypeLib typeLib)
        {
            string strName       = null;
            string strDocString  = null;
            int    dwHelpContext = 0;
            string strHelpFile   = null;

            typeLib.GetDocumentation(-1, out strName, out strDocString, out dwHelpContext, out strHelpFile);
            return(strName);
        }