PaintBox1.Canvas.Pen.Width := 1;
PaintBox1.Canvas.Pen.Color:= clBlue;
xcenter:=Trunc(PaintBox1.Width/2);
ycenter:=Trunc(PaintBox1.Height/2);
PaintBox1.Canvas.Ellipse(xcenter-30,ycenter-30,xcenter+65,ycenter+30);
PaintBox1.Canvas.Pen.Color:= clRed;
PaintBox1.Canvas.Rectangle(xcenter-80,ycenter-50,xcenter-10,ycenter-10);
PaintBox1.Canvas.TextOut(xcenter-80,ycenter+50,'Voici un rectangle et une ellipse');
PaintBox1.Canvas.Refresh;
Form1.Canvas.Ellipse(xcenter-30,ycenter-30,xcenter+65,ycenter+30);
Form1.Canvas.Pen.Color:= clRed;
Form1.Canvas.Rectangle(xcenter-80,ycenter-50,xcenter-10,ycenter-10);
Form1.Canvas.TextOut(xcenter-80,ycenter+50,'Voici un rectangle et une ellipse');
Form1.Canvas.Refresh;
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