upie.pas

Delphi Win32核心API参考光盘源码 本书包含了常用的Windows API函数

unit UPie;

interface

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

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

var
  Form1: TForm1;

implementation

{$R *.DFM}

procedure TForm1.FormPaint(Sender: TObject);
begin
  {draw a pie shaped wedge}
  Canvas.Brush.Color := clRed;
  Canvas.Brush.Style := bsDiagCross;
  Pie(Canvas.Handle, 10, 10, 110, 110, 10, 60, 60, 10);
end;

end.