load - C# Draw when window is loaded -

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i want draw ellipses when window loaded without clicking anything, how can it? code following : 

        int kerx = random.next(10,281);         int kery = random.next(10,281);         mrpainter.fillellipse(brushes.black, kerx + 10, kery + 10, 20, 20);         mrpainter.fillellipse(blue,65,65,20,20);         mrpainter.fillellipse(red, 205, 65, 20, 20);         mrpainter.fillellipse(yellow, 135, 215, 20, 20);

assuming using winforms, insert code in formloaded event of main form.


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