FileSel fn; 
    void OpenAction() {
		fn.AllFilesType();
		String filename = fn;

		fn <<= Nvl(r_d, recent_dir);
		if(fn.ExecuteOpen()){ // file chooser 
			workdirField<<=Value(fn);
			r_d = fn;
			recent_dir = ~fn;
		}
//    	work.Run(THISBACK(Work));
    }