uroundrect.pas

DelphiWin32核心API参考光盘内容.是学习书籍中的源码,便于学习.

unit URoundRect;

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
  {create a rounded rectangle}
  RoundRect(Canvas.Handle, 10, 10, 110, 110, 20, 20);
end;

end.