protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
Bezier curve = new Bezier(((double)Width * 0.1D), ((double)Height * 0.9D), ((double)Width * 0.25D), ((double)Height * 0.1D), ((double)Width * 0.7D), ((double)Height * 0.15D), ((double)Width * 0.9D), ((double)Height * 0.9D));
var bb1 = Bezier.BoundingBox;
DrawRectangle(e.Graphics, bb1.Min, bb1.Max, Color.Blue, 1);
var bb2 = curve.BoundingBox;
DrawRectangle(e.Graphics, bb2.Min, bb2.Max, Color.Yellow, 1);
bool overlaps = Bezier.BoundingBoxOverlaps(curve);
using (Pen linePen = new Pen((overlaps?Color.Green:Color.Red), 2))
{
e.Graphics.DrawBeziers(linePen, curve.Points.Select(p => Vector2ToPointF(p)).ToArray());
}
}
