Andy De George
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title, ms.date, dev_langs, helpviewer_keywords, ms.assetid
| title | ms.date | dev_langs | helpviewer_keywords | ms.assetid | ||||
|---|---|---|---|---|---|---|---|---|
| How to: Draw a Single Bézier Spline | 03/30/2017 |
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f4f3fe30-f0a6-4743-ac91-11310cebea9f |
How to: Draw a Single Bézier Spline
A Bézier spline is defined by four points: a start point, two control points, and an endpoint.
Example
The following example draws a Bézier spline with start point (10, 100) and endpoint (200, 100). The control points are (100, 10) and (150, 150).
The following illustration shows the resulting Bézier spline along with its start point, control points, and endpoint. The illustration also shows the spline's convex hull, which is a polygon formed by connecting the four points with straight lines.
[!code-csharpSystem.Drawing.ConstructingDrawingCurves#31] [!code-vbSystem.Drawing.ConstructingDrawingCurves#31]
Compiling the Code
The preceding example is designed for use with Windows Forms, and it requires xref:System.Windows.Forms.PaintEventArgs e, which is a parameter of the xref:System.Windows.Forms.Control.Paint event handler.