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: Create Figures from Lines, Curves, and Shapes | 03/30/2017 |
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82fd56c7-b443-4765-9b7c-62ce030656ec |
How to: Create Figures from Lines, Curves, and Shapes
To create a figure, construct a xref:System.Drawing.Drawing2D.GraphicsPath, and then call methods, such as xref:System.Drawing.Drawing2D.GraphicsPath.AddLine%2A and xref:System.Drawing.Drawing2D.GraphicsPath.AddCurve%2A, to add primitives to the path.
Example
The following code examples create paths that have figures:
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The first example creates a path that has a single figure. The figure consists of a single arc. The arc has a sweep angle of –180 degrees, which is counterclockwise in the default coordinate system.
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The second example creates a path that has two figures. The first figure is an arc followed by a line. The second figure is a line followed by a curve followed by a line. The first figure is left open, and the second figure is closed.
[!code-csharpSystem.Drawing.ConstructingDrawingPaths#21] [!code-vbSystem.Drawing.ConstructingDrawingPaths#21]
[!code-csharpSystem.Drawing.ConstructingDrawingPaths#22] [!code-vbSystem.Drawing.ConstructingDrawingPaths#22]
Compiling the Code
The previous examples are designed for use with Windows Forms, and they require xref:System.Windows.Forms.PaintEventArgs e, which is a parameter of the xref:System.Windows.Forms.Control.Paint event handler.