How to access listbox item's datacontext from GroupStyle.HeaderTemplate?

Question

I have a ListBox...where the ItemSource is a CollectionViewSource

rest everything same as in this link.

What I need is to access one property from my ListBox item's (or GroupItem ?) DataContext.

How can I access it ?

Answer 1

Assuming that you want to bind some text, try the following:

<TextBlock Text={Binding DataContext.PropertyName, ElementName=YourListBoxName}" />