Hello.

In my XAML file, I have a ListBox declared like this :

           <ListBox x:Name="lstDeck" Height="280" ItemsSource="{Binding Path=Deck}"  >
                <ListBox.ItemTemplate>
                    <DataTemplate>
                        <ListBoxItem  Content="{Binding}" />
                    </DataTemplate>
                </ListBox.ItemTemplate>
            </ListBox>

In my view model, Deck is an ObservableCollection, so that binding directly displays the content of my collection.

But when I have several value that hold the same value (for example "10" six times), the selection in the ListBox has a weird behaviour : it select 2-3 elements instead of the only the one on which I clicked.

Moreover, when I click to another listBoxItem, it doesn't unfocus the previous selected one.

Then it is impossible to see which item is actually selected, and impossible to get the SelectedIndex value.

Has someone an idea?