UWP - Set app window minimum size

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 Background="DarkBlue" Padding="50">
        <TextBlock
            x:Name="TextBlock1"
            FontFamily="MV Boli"
            FontSize="25"
            Foreground="Snow"
            TextWrapping="Wrap"
            />
    </StackPanel>
</Page>
MainPage.xaml.cs

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


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.
            */

            /*
                ApplicationView.SetPreferredMinSize
                    Sets the smallest size, in effective pixels,
                    allowed for the app window.

                    To remove the preferred minimum size and use and system default
                    minimum size instead, set the Size value to "0,0".

                    The smallest allowed minimum size is 192 x 48 effective pixels.
                    The largest allowed minimum size is 500 x 500 effective pixels.
                    If you set a value outside of these bounds, it is coerced
                    to be within the allowed bounds. 
            */

            // Set the application minimum window size
            ApplicationView.GetForCurrentView().SetPreferredMinSize(
                new Size(
                    450, // Width
                    250 // Height
                    )
                );

            // Display the app window minimum size on text block
            TextBlock1.Text = "Application window minimum size is,"
                +" Width 450 Pixels & Height 250 Pixels.";
        }
    }
}