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February 2008

How Do I Wrap Text (or Add TextEllipsis) In The ComboBox?

I’ve been spending the past several days fighting with the ComboBox in an attempt to make it so something very simple: Wrap text inside the combo box. I’ve finally figured it out, so I thought I’d share.

OK, first of all, make sure that your ComboBox is hooked up to something, even if that something is some random RSS feed. I have a post that can help you with that over here. Bind your comboBox to the “Items” part of the New York Times RSS feed.

You need to do this because, if you do not, you will have to set the same data template to every single ComboBoxItem that you add to the ComboBox. And that’s just no fun.

Starting out, your ComboBox should look something like this:

ComboBoxDefault

Right click on your ComboBox and select “Edit Other Templates -> Edit Generated Items (ItemTemplate)-> Create Empty…” Give your new data template a name and Blend will take you into the Data Template design.

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How Do I Wrap Text in a ListView Header?

OK, it’s really late and I want to get this done, so we’re going to go through the easy way, which will require some XAML, but I’ll try to keep it as Blend-y as possible.

So you have a column header and you want the text inside to wrap when the header space gets too short for the content. Your header probably looks something like this:

OriginalHeader

First, go to wherever your resources are being held and type the following in:

<Style x:Key=”CustomHeaderStyle” TargetType=”{x:Type GridViewColumnHeader}“>
</Style>

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