unit1.pas

数字电路故障诊断系统

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs,unit2, ExtCtrls, jpeg, StdCtrls;

type
  TForm1 = class(TForm)
    Image1: TImage;
    Button1: TButton;
    procedure FormCreate(Sender: TObject);
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.FormCreate(Sender: TObject);
    var x,y:integer;   // 欢迎界面的位置
    text:string;
begin
   form1.Show;
   text:='欢迎使用数字电路故障诊断系统!' ;
   x:=form1.Left-220;
   y:=form1.Top+160;
   form1.Canvas.TextOut(x,y,text);
   end;

procedure TForm1.Button1Click(Sender: TObject);
begin
       form2.Show;
       button1.Caption:='退出'

end;

end.