<Window x:Class="XamlReadersAndWriters.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="MainWindow" Height="350" Width="525">
    <DockPanel>
        <Button DockPanel.Dock="Top" Click="Button_Click">Test</Button>
        <TextBox Name="textBox"/>
    </DockPanel>
</Window>
