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Windows Forms show <a> tags as links

Posted on 2016-07-22
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Last Modified: 2016-07-26
In a Windows Forms application, I have a RichTextBox control with the DetectUrls property set to true.

Using the following text:
Hello, and welcome to <a href="http://www.colgate.com">Colgate toothpaste</a>. Or if you prefer, just go to http://www.crest.com.
I get this result:
rtbWhat I really need is for it to render the string as a web browser would so it would look like this:
web
I'd even be OK if it rendered both the <a> tag and the explicit URL both as links but that's not necessary. What I really need is a way to render the <a> tag as a link. Any idea how I can accomplish this?
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Question by:Russ Suter
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by:Guy Hengel [angelIII / a3]
ID: 41725119
you will need to use the web browser control instead of the rich text control
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by:Russ Suter
ID: 41725120
I'm aware that the WebBrowser control will do this. Unfortunately that's not an option. I need to figure out how to make a RichTextBox (or similar) control do this.
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LVL 143

Expert Comment

by:Guy Hengel [angelIII / a3]
ID: 41725137
sorry: not possible.
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by:Russ Suter
ID: 41725139
Sorry, that's never an acceptable answer. It's always possible, even if I have to subclass the RichTextBox control myself. It seems that's what I'll be doing unless someone else can come up with an alternative.
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Accepted Solution

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Guy Hengel [angelIII / a3] earned 500 total points
ID: 41725158
Then it's no longer a pure richtextcontrol, but i presume you will consider that playing with words, which is ok for me.

Technically it puts linklabel objects into the text, so you can do indeed the same.
I would likely disable the detecturl property and put the links for both syntaxes.
As i am far from a pc for another 3 weeks, i cannot work out any code myself, but i understand tgat will not be an issue for you, as you know how to subclass existing control classes.

Note that i have never be a fan of neither the richtext nor the webbrowser control.
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