UWP - Resize app window during runtime

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 Padding="50" Orientation="Vertical" Background="PaleTurquoise">
        <Button
            x:Name="Button1"
            Content="Resize Window"
            VerticalAlignment="Center"
            HorizontalAlignment="Center"
            Click="Button1_Click"
            />
    </StackPanel>
</Page>
MainPage.xaml.cs

using Windows.UI.Xaml.Controls;
using Windows.UI.ViewManagement;
using Windows.Foundation;
using Windows.UI.Xaml;


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

        /*
            ApplicationView
                Represents the active application view and
                associated states and behaviors.

            GetForCurrentView
                Gets the view state and behavior settings of the active application.
                Return an ApplicationView instance that can be used to get and set app display properties.

            TryResizeView
                Attempts to change the size of the view to the specified size in effective pixels.
                Return true if the view is resized to the requested size; otherwise, false.
        */

        private void Button1_Click(object sender, RoutedEventArgs e) {
            // Try to resize the app window during runtime
            ApplicationView.GetForCurrentView().TryResizeView(
                new Size(Width = 300, Height=200)
                );
        }
    }
}