procedure TForm1.FormCreate(Sender: TObject);
begin
// 畫亮綠色的正方形演示框
Image1.Canvas.Brush.Color:=clBlack;
Image1.Canvas.FillRect(Rect(0,0,199,199));
Image1.Canvas.Pen.Color:=cllime;
Image1.Canvas.Rectangle(0,0,199,199);
DoubleBuffered := True;
end;
接著放入一個Timer實現點的繪制以及π的計算:
procedure TForm1.Timer1Timer(Sender: TObject);
延伸閱讀
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