unit Unit1; interface uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls; type TForm1 = class(TForm) Button1: TButton; Memo1: TMemo; Button2: TButton; Button3: TButton; procedure Button1Click(Sender: TObject); procedure Button2Click(Sender: TObject); procedure Button3Click(Sender: TObject); procedure FormDestroy(Sender: TObject); procedure FormCreate(Sender: TObject); private { Private declarations } procedure ShowMsg(s: string); public { Public declarations } end; var Form1: TForm1; implementation...[ 查看全文 ]