unit1.~pas

精彩编程百例51～75 其中有 cpu速度测试 检测声卡 查询内存信息 图像处理技巧 模拟放大镜效果等待

unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    Shape1: TShape;
    Button1: TButton;
    Button2: TButton;
    Button3: TButton;
    Button4: TButton;
    ColorDialog1: TColorDialog;
    Button5: TButton;
    Button6: TButton;
    Button7: TButton;
    BitBtn1: TBitBtn;
    procedure Button4Click(Sender: TObject);
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
    procedure Button5Click(Sender: TObject);
    procedure Button6Click(Sender: TObject);
    procedure Button7Click(Sender: TObject);
    procedure BitBtn1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.DFM}

//改变图形的颜色
procedure TForm1.Button4Click(Sender: TObject);
begin
  ColorDialog1.Execute;
  Shape1.Brush.Color := ColorDialog1.Color;
end;

//使图形变为圆形
procedure TForm1.Button1Click(Sender: TObject);
begin
  Shape1.Shape := stCircle;
end;

//使图形变为椭圆形
procedure TForm1.Button2Click(Sender: TObject);
begin
  Shape1.Shape := stEllipse;
end;

//使图形变为矩形
procedure TForm1.Button3Click(Sender: TObject);
begin
  Shape1.Shape := stRectangle;
end;

//使图形变为正方形
procedure TForm1.Button5Click(Sender: TObject);
begin
  Shape1.Shape := stSquare;
end;

//使图形变为圆角矩形
procedure TForm1.Button6Click(Sender: TObject);
begin
  Shape1.Shape := stRoundRect;
end;

//使图形变为圆角方形
procedure TForm1.Button7Click(Sender: TObject);
begin
  Shape1.Shape := stRoundSquare;
end;

procedure TForm1.BitBtn1Click(Sender: TObject);
begin
  Close;//关闭窗体，退出程序
end;

end.