gp.DrawRectangle(newpen, 10, 20, 80, 80)
End Sub
画一抛物线如下:
Protected Overrides Sub OnPaint(ByVal e As PaintEventArgs)
Dim gp As Graphics = e.Graphics
Dim newpen As New Pen(Color.Black, 5)
gp.drawarc(newpen, 10, 20, 70, 80, 123, 233)
End Sub
画贝塞尔曲线如下:
Protected Overrides
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