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">
<RelativePanel BorderBrush="Black" BorderThickness="50" Background="AliceBlue">
<TextBlock
x:Name="text_block_1"
Text="Click the button."
FontSize="30"
RelativePanel.Above="button_1"
RelativePanel.AlignHorizontalCenterWith="button_1"
Margin="25"
Foreground="BlueViolet"
/>
<Button
x:Name="button_1"
Content="Click Me"
Height="75"
Width="200"
Click="button_click"
RelativePanel.AlignHorizontalCenterWithPanel="True"
RelativePanel.AlignVerticalCenterWithPanel="True"
/>
</RelativePanel>
</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 button_click(object sender, RoutedEventArgs e) {
// Change the text block text
text_block_1.Text = "You clicked the button.";
}
}
}


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