MainPage.xaml.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Documents;
using Windows.UI.Xaml.Input;
using Windows.UI.Xaml.Media;
using Windows.UI.Xaml.Media.Animation;
using Windows.UI.Xaml.Shapes;

namespace ViewBoxSnippet
{
    public partial class MainPage : UserControl
    {
        public MainPage()
        {
            InitializeComponent();
        }
        //<snippetViewBoxCode>
        //<snippetViewBoxStretch>
        //Setting the Stretch property to None
        private void stretchNone(object sender, RoutedEventArgs e)
        {
            vb1.Stretch = Stretch.None;
            vb2.Stretch = Stretch.None;
            vb3.Stretch = Stretch.None;
            txt1.Text = "Stretch is now set to None.";
        }

        //Setting the Stretch property to Fill
        private void stretchFill(object sender, RoutedEventArgs e)
        {
            vb1.Stretch = Stretch.Fill;
            vb2.Stretch = Stretch.Fill;
            vb3.Stretch = Stretch.Fill;
            txt1.Text = "Stretch is now set to Fill.";
        }

        //Setting the Stretch property to Uniform
        private void stretchUni(object sender, RoutedEventArgs e)
        {
            vb1.Stretch = Stretch.Uniform;
            vb2.Stretch = Stretch.Uniform;
            vb3.Stretch = Stretch.Uniform;
            txt1.Text = "Stretch is now set to Uniform.";
        }

        //Setting the Stretch property to UniformToFill
        private void stretchUniFill(object sender, RoutedEventArgs e)
        {
            vb1.Stretch = Stretch.UniformToFill;
            vb2.Stretch = Stretch.UniformToFill;
            vb3.Stretch = Stretch.UniformToFill;
            txt1.Text = "Stretch is now set to UniformToFill.";
        }
        //</snippetViewBoxStretch>

        //<snippetViewBoxStretchDirection>
        //Setting the StretchDirection property to UpOnly
        private void sdUpOnly(object sender, RoutedEventArgs e)
        {
            vb1.StretchDirection = StretchDirection.UpOnly;
            vb2.StretchDirection = StretchDirection.UpOnly;
            vb3.StretchDirection = StretchDirection.UpOnly;
            txt2.Text = "StretchDirection is now UpOnly.";
        }

        //Setting the StretchDirection property to DownOnly
        private void sdDownOnly(object sender, RoutedEventArgs e)
        {
            vb1.StretchDirection = StretchDirection.DownOnly;
            vb2.StretchDirection = StretchDirection.DownOnly;
            vb3.StretchDirection = StretchDirection.DownOnly;
            txt2.Text = "StretchDirection is now DownOnly.";
        }

        //Setting the StretchDirection property to Both
        private void sdBoth(object sender, RoutedEventArgs e)
        {
            vb1.StretchDirection = StretchDirection.Both;
            vb2.StretchDirection = StretchDirection.Both;
            vb3.StretchDirection = StretchDirection.Both;
            txt2.Text = "StretchDirection is now Both.";
        }
        //</snippetViewBoxStretchDirection>
        //</snippetViewBoxCode>
    }


}