public class StringCollectionINCC : ObservableCollection<string> { }

    <Window.Resources>
        <DataTemplate x:Key="String.ItemTemplate" DataType="{x:Type sys:String}">
            <Border Background="AntiqueWhite">
                <Grid Margin="14">
                    <Grid.ColumnDefinitions>
                        <ColumnDefinition Width="Auto"/>
                        <ColumnDefinition/>
                    </Grid.ColumnDefinitions>
                    <TextBlock Text="{Binding}"
                               Height="20" Width="200"
                               Background="Snow" Margin="0,0,14,0"/>
                    <Button Content="Remove" Grid.Column="1" Width="75"
                        Command="Delete"
                        CommandParameter="{Binding}"/>
                </Grid>
            </Border>
        </DataTemplate>
        <local:StringCollectionINCC x:Key="Names">
            <sys:String>Первый</sys:String>
            <sys:String>Второй</sys:String>
            <sys:String>Третий</sys:String>
        </local:StringCollectionINCC>
    </Window.Resources>
    <Grid>
        <Grid.CommandBindings>
            <CommandBinding Command="Delete" Executed="CommandBinding_Executed"/>
        </Grid.CommandBindings>
        <ListBox Background="Lavender"
                 ItemsSource="{Binding Mode=OneWay, Source={StaticResource Names}}"
                 ItemTemplate="{Binding Mode=OneWay, Source={StaticResource String.ItemTemplate}}">
        </ListBox>
    </Grid>
</Window>

    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
        }

        private void CommandBinding_Executed(object sender, ExecutedRoutedEventArgs e)
        {
            Collection<string> names = (Collection<string>)Resources["Names"];
            if (e.Parameter is String name && names.Contains(name))
                names.Remove(name);

            e.Handled = true;
        }
    }