Selecting a Textbox Item in a Listbox does not change the selected item of the listbox

Question

I Have a wpf Listbox that display\'s a list of textboxes. When I click on the Textbox the Listbox selection does not change. I have to click next to the TextBox to select th

Answer 1

I don't have enough reps to comment, so I am posting my comment as answer. Grazer's solution above does not work in cases where you have another control such as a Button that needs the SelectedItem. This is because as per the Style Trigger, the IsKeyboardFocusWithin becomes false when you click on that Button, and the SelectedItem becomes null.