unit3.pas

Delphi 7基础编程的源代码

unit Unit3;

interface

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

type
  Tmasterform = class(TForm)
    Button1: TButton;
    Button2: TButton;
    Button3: TButton;
    Button4: TButton;
    Label1: TLabel;
    procedure Button1Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure Button4Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  masterform: Tmasterform;

implementation

uses Unit5, Unit6, Unit7;

{$R *.dfm}

procedure Tmasterform.Button1Click(Sender: TObject);
begin
 updatebookform.show;
end;

procedure Tmasterform.Button3Click(Sender: TObject);
begin
  updatestudentform.show;
end;

procedure Tmasterform.Button2Click(Sender: TObject);
begin
  updatepassform.show;
end;

procedure Tmasterform.Button4Click(Sender: TObject);
begin
  close;
end;

end.