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Alex Rivera
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I have a simple ViewModel like: public class MainViewModel { ObservableCollection<Project> _projects; public MainViewModel() { // Fill _projects from DB here... ProjectList.Source = _projects; ProjectList.Filter = ...; } public CollectionViewSource ProjectList { get; set; } } I set the window's DataContext to a new instance of that ViewModel in the constructor: public MainWindow() { this.DataContext = new MainViewModel(); } Then in the Xaml I am attempting to bind the ItemsSource of a ListBox to that ProjectList property. Binding just ItemsSource like so doesn't work: <ListBox ItemsSource="{Binding ProjectList}" ItemTemplate="..." /> But if I first rebase the DataContext this works: <ListBox DataContext="{Binding ProjectList}" ItemsSource="{Binding}" ItemTemplate="..." /> Shouldn't the first method work properly? What might I be doing wrong?
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