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 | ||||||||||
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| How to: Join Lines | 03/30/2017 |
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9fc480c2-3c75-4fd1-8ab5-296a99e820e2 |
How to: Join Lines
A line join is the common area that is formed by two lines whose ends meet or overlap. GDI+ provides three line join styles: miter, bevel, and round. Line join style is a property of the xref:System.Drawing.Pen class. When you specify a line join style for a xref:System.Drawing.Pen object, that join style will be applied to all the connected lines in any xref:System.Drawing.Drawing2D.GraphicsPath object drawn using that pen.
The following illustration shows the results of the beveled line join example.
Example
You can specify the line join style by using the xref:System.Drawing.Pen.LineJoin%2A property of the xref:System.Drawing.Pen class. The example demonstrates a beveled line join between a horizontal line and a vertical line. In the following code, the value xref:System.Drawing.Drawing2D.LineJoin.Bevel assigned to the xref:System.Drawing.Pen.LineJoin%2A property is a member of the xref:System.Drawing.Drawing2D.LineJoin enumeration. The other members of the xref:System.Drawing.Drawing2D.LineJoin enumeration are xref:System.Drawing.Drawing2D.LineJoin.Miter and xref:System.Drawing.Drawing2D.LineJoin.Round.
[!code-csharpSystem.Drawing.UsingAPen#31] [!code-vbSystem.Drawing.UsingAPen#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.