UWP - Simple ListView example

MainPage.xaml

<Page
    x:Class="UniversalAppTutorials.MainPage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="using:UniversalAppTutorials"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable="d">
    <StackPanel 
        x:Name="stack_panel1" 
        Margin="50" 
        Orientation="Vertical"
        Background="AliceBlue"
        Padding="50"
        >
        <ListView 
            x:Name="ListView1" 
            Header="Choose A Color"
            SelectionChanged="ListView1_SelectionChanged"
            >
            <x:String>Red</x:String>
            <x:String>Green</x:String>
            <x:String>Blue</x:String>
            <x:String>Yellow</x:String>
            <x:String>Black</x:String>
            <x:String>Gray</x:String>
            <x:String>Orange</x:String>
            <x:String>White</x:String>
            <x:String>Crimson</x:String>
        </ListView>
    </StackPanel>
</Page>
MainPage.xaml.cs

using Windows.UI.Xaml.Controls;
using Windows.UI.Popups;


namespace UniversalAppTutorials
{
    public sealed partial class MainPage : Page
    {
        public MainPage()
        {
            this.InitializeComponent();
        }

        private void ListView1_SelectionChanged(object sender, SelectionChangedEventArgs e) {
            // Get the instance of ListView
            ListView listView = sender as ListView;
            
            // Get the ListView selected item text
            string selectedText = listView.SelectedItem.ToString();

            // Initialize a new message dialog
            MessageDialog dialog = new MessageDialog("Selected : " +  selectedText);

            // Finally, display the selected item text on dialog
            dialog.ShowAsync();
        }
    }
}