unit3.~pas

1.学生成绩管理系统的设计与实现 要求有以下文档: (1)概要设计（电子文档） (2)详细设计（电子文档） (3)课程设计的报告（打印文档） 选题,设计,实现,测试,参考文献

unit Unit3;

interface

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

type
  TForm3 = class(TForm)
    Image1: TImage;
    SpeedButton2: TSpeedButton;
    SpeedButton1: TSpeedButton;
    Label1: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    Label4: TLabel;
    procedure SpeedButton2Click(Sender: TObject);
    procedure SpeedButton1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form3: TForm3;

implementation
uses unit2;

{$R *.dfm}

procedure TForm3.SpeedButton2Click(Sender: TObject);
begin
application.ProcessMessages;
form3.Close;
end;

procedure TForm3.SpeedButton1Click(Sender: TObject);
begin
application.ProcessMessages;
form2.Close;
form3.Close;
end;

end.