unit1.~pas

本光盘是《Delphi 7应用教程》一书的配套光盘

unit Unit1;

interface

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

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

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
Var
  CurDir:String;
  Picture:Tpicture;
begin
  GetDir(0,Curdir);
  Picture:=Tpicture.create;
  Picture.LoadFromFile(CurDir+'\1.bmp'); //从文件中装载位图
  With Canvas do
     begin
        Draw(0,0,Picture.Graphic ); //从画布的左上角原样绘图
        StretchDraw(Rect(0,0,150,150),picture.Graphic );
        //在一个矩形区域内绘图，图自动变化大小以适应矩形框
    end
end;

end.