WPF ListBox not updating with the ItemsSource

Question

I have what I believe should be simple two-way databinding in WPF setup, but the listbox (target) is not updating as the collection changes.

I\'m setting this ItemsS

Answer 1

Is your m_VariableList implementing INotifyCollectionChanged? If it's not an ObservableCollection, then changes to it's contents will not automatically be reflected in the UI.