Expander icon in WPF

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C#

Hi....

How to change default icon of an expander. Like treeview icon... please help me....

Posted 21-May-13 18:20pm

suganyass

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Sergey Alexandrovich Kryukov 22-May-13 0:24am

There is no such thing as "treeview icon". Controls normally don't use icons, they use either bitmaps, or, with WPF, vector graphics (XAML). What is "default icon"? Do you mean small up/down arrow image in a round border?
—SA

suganyass 22-May-13 0:31am

yes i mentioned that up/down arrow image as default icon... I need to replace that with treeView icon(that triangular arrow image).

Sergey Alexandrovich Kryukov 22-May-13 0:33am

Only it is not an icon...
—SA

suganyass 22-May-13 0:35am

Ok how to change that image....

Sergey Alexandrovich Kryukov 22-May-13 0:39am

Please see my answer...
—SA

suganyass 22-May-13 0:51am

Thank u for your answer. But Iam not using blend. Can I did this by applying any style?

Sergey Alexandrovich Kryukov 22-May-13 1:35am

I understand. I don't know how about "any style", but this should give you the idea. Still, the article shows XAML samples. You should edit your bitmaps in a separate editor if your choice (I wouldn't recommend Visual Studio, but this is your choice) and add it in resources using Visual Studio or whatever you use...
—SA

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Sergey Alexandrovich Kryukov · Answer 1 · 2013-05-21T18:38:00

Please see this article: http://diptimayapatra.wordpress.com/2010/04/05/customize-expander-control-in-wpf/[^].

It explains it in detail; they only problem that it provides a lot more customization feature, but you should be able to get the idea. Customization of the arrow bitmap is only one small part of the article.

—SA

Francisco T. Chavez · Answer 2 · 2013-05-27T14:23:00

Solution 2

I think you are going to have to create a template for the control and set this in the template.

Posted 27-May-13 14:23pm

Francisco T. Chavez

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suganyass 31-May-13 9:11am

yeah... but i dnt know how to create template for that control. pls help me..

Francisco T. Chavez 5-Jun-13 18:17pm

If the issue is that you don't know anything about control template's then I'd advise reading this article as a place to start.