窗口大小的修改

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls;

type
  TForm1 = class(TForm)
    Button1: TButton;
    Button2: TButton;
    Button3: TButton;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);   //单击“窗口放大”按钮，窗口将放大
begin
  form1.Height := form1.Height + 10;              //窗口高度加10
  form1.Width := form1.Width + 10;                //窗口宽度加10
end;

procedure TForm1.Button2Click(Sender: TObject);   //单击“窗口缩小”按钮，窗口将缩小
begin
  form1.Height := form1.Height - 10;              //窗口高度减10
  form1.Width := form1.Width - 10;                //窗口宽度减10
end;

procedure TForm1.Button3Click(Sender: TObject);
begin
  close;                                          //退出
end;

end.