tcustomfiledatalist.adddirectory1

public function tcustomfiledatalist.adddirectory1(

  const directoryname: filenamety;

  ainfolevel: fileinfolevelty = fil_name;

  const amask: filenamearty = Nil;

  const aincludeattrib: fileattributesty = [fa_all];

  const aexcludeattrib: fileattributesty = [];

  const aoptions: dirstreamoptionsty = [];

  const acheckproc: checkfileeventty = Nil;

  const noexception: Boolean = False

):Boolean;