...要求:在窗体上创建一个文本框控件、两个命令按钮控件,命令答:unit Unit1;interface uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,Dialogs, StdCtrls;type TForm1 = class(TForm)Edit1: TEdit;Button1: TButton;Button2: TButton;procedure Button1Click(Sender: TObject);procedure Button2Click(Sender: TObject);private { ...