Top Answers

1. What are the various "Build action" settings in Visual Studio project properties and what do they do?
   35 votes
2. How to make modal dialog in WPF?
   31 votes
3. ObservableCollection Doesn't support AddRange method, so I get notified for each item added, besides what about INotifyCollectionChanging?
   14 votes
4. How to style a WPF Expander Header?
   7 votes
5. Change WPF DataTemplate for ListBox item if selected
   6 votes