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Normal Topic How to set a image in link (Read 1903 times)
kdr35
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How to set a image in link
Dec 15th, 2010 at 10:15am
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Hi,

I want to set different images on links to display different link type. Is there any way to that or is it possible?
  
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Stoyo
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Re: How to set a image in link
Reply #1 - Dec 15th, 2010 at 11:16am
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Hi,

If you mean bitmap images, you can custom-draw them by setting the links' CustomDraw property and handling the DrawLink event. Or if you need to change the arrowhead to a custom vector image, use the Shape Designer tool to draw it, copy the code and assign the shape to link.HeadShape.

I hope that helps,
Stoyan
  
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kdr35
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Re: How to set a image in link
Reply #2 - Dec 15th, 2010 at 12:16pm
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I want to do thing as below image
  
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Stoyo
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Re: How to set a image in link
Reply #3 - Dec 15th, 2010 at 1:11pm
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Try this:

Code
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private void diagram_DrawLink(object sender, DrawLinkEventArgs e)
{
	Image bmp = ...
	PointCollection points = e.Link.ControlPoints;
	PointF start = points[0];
	PointF end = points[1];
	RectangleF imgSize = diagramView.ClientToDoc(new Rectangle(new Point(), bmp.Size));
	e.Graphics.DrawImage(bmp,
		(start.X + end.X - imgSize.Height) / 2,
		(start.Y + end.Y) / 2 - imgSize.Height - 2);
}
  
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