UWP - ToggleSwitch 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="35"
        >
        <ToggleSwitch
            x:Name="toggle_switch1"
            IsOn="False"
            Toggled="ToggleSwitch1_Toggled"
            OnContent="Hide image"
            OffContent="Show image"
            />
        <Image
            x:Name="image1"
            Source="Assets/butterfly.jpeg"
            Width="200"
            Visibility="Collapsed"
            />
    </StackPanel>
</Page>
MainPage.xaml.cs

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


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

        private void ToggleSwitch1_Toggled(object sender, RoutedEventArgs e) {
            // Get the ToggleSwitch instance
            ToggleSwitch toggleSwitch = sender as ToggleSwitch;

            if (toggleSwitch != null) {
                if (toggleSwitch.IsOn == true)
                {
                    // Do somthing when toggle switch is on
                    image1.Visibility = Visibility.Visible;
                }
                else {
                    // Do something when toggle swicth is off
                    image1.Visibility = Visibility.Collapsed;
                }
            }
        }
    }
}