XAMLDebuggingTool.xaml

<Window x:Class="WpfApplication1.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:WpfApplication1"
        mc:Ignorable="d"
        Title="MainWindow" Height="350" Width="525">
    <Grid>
        <TextBlock x:Name="textBlock" HorizontalAlignment="Left" Height="47" Margin="110,63,0,0" TextWrapping="Wrap" Text="TextBlock" VerticalAlignment="Top" Width="159"/>
        <Button x:Name="button" Content="Button" HorizontalAlignment="Left" Height="38" Margin="110,110,0,0" VerticalAlignment="Top" Width="96"/>
        <Rectangle Fill="#FF3B3BDC" HorizontalAlignment="Left" Height="46" Margin="90,171,0,0" Stroke="Black" VerticalAlignment="Top" Width="126"/>
        <ListBox Name="TestListBox" Width="70" Margin="274,50,193,0">
            <ListBox.ItemTemplate>
                <DataTemplate>
                    <TextBlock Text="{Binding}"/>
                </DataTemplate>
            </ListBox.ItemTemplate>
        </ListBox>
    </Grid>
</Window>