问题来源: http://www.cnblogs.com/del/archive/2008/12/05/1022130.html#1392641
unit Unit1; interface uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls, ComCtrls; type TForm1 = class(TForm) ListBox1: TListBox; Button1: TButton; Button2: TButton; Button3: TButton; procedure Button1Click(Sender: TObject); procedure Button2Click(Sender: TObject); procedure Button3Click(Sender: TObject); end; var Form1: TForm1; implementation {$R *.dfm} const s = 'c:\temp\test.txt'; procedure TForm1.Button1Click(Sender: TObject); begin ListBox1.Items.CommaText := '万一,Delphi,博客'; end; procedure TForm1.Button2Click(Sender: TObject); begin ListBox1.Items.SaveToFile(s); ListBox1.Clear; end; procedure TForm1.Button3Click(Sender: TObject); begin ListBox1.Items.LoadFromFile(s); end; end.