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def OnPaint(self, event):
# Create paint DC
dc = wx.PaintDC(self)
# Create graphics context from it
gc = wx.GraphicsContext.Create(dc)
if gc:
# make a path that contains a circle and some lines
gc.SetPen(wx.RED_PEN)
path = gc.CreatePath()
path.AddCircle(50.0, 50.0, 50.0)
path.MoveToPoint(0.0, 50.0)
path.AddLineToPoint(100.0, 50.0)
path.MoveToPoint(50.0, 0.0)
path.AddLineToPoint(50.0, 100.0)
path.CloseSubpath()
path.AddRectangle(25.0, 25.0, 50.0, 50.0)
gc.StrokePath(path)
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