unit3.~pas

数字电路故障诊断系统

unit Unit3;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, unit8 ;

type
  TForm3 = class(TForm)
    Label1: TLabel;
    Edit1: TEdit;
    Button1: TButton;
    Button2: TButton;
    procedure Button2Click(Sender: TObject);
    procedure Button1Click(Sender: TObject);

  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form3: TForm3;

implementation

{$R *.dfm}

procedure TForm3.Button2Click(Sender: TObject);
begin
    close;
end;

procedure TForm3.Button1Click(Sender: TObject);
begin
       if form3.edit1.text='1234' then
    begin
      form3.Hide ;
      study.Show ;
    end
   else
   form3.button1.Enabled :=false;
end;




end.