MainWindow.xaml

<Window x:Class="SampleApp.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:SampleApp"
        mc:Ignorable="d"
        Title="MainWindow" Height="450" Width="800">
    <StackPanel Margin="20">
        <TextBlock>
            <Run Text="SecretClass type name: " FontWeight="Bold" />
            <Run Text="{Binding Path=ObfuscatedTypeName, Mode=OneTime, RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=Window}}"
                 FontSize="30" Background="Azure" />
            <Run Text="(should be obfuscated)"/>
        </TextBlock>
        <TextBlock>
            <Run Text="Assembly bitness: " FontWeight="Bold"/>
            <Run Text="{Binding Path=AssemblyBitness, Mode=OneTime, RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=Window}}"
                 FontSize="30" Background="Azure" />
        </TextBlock>
    </StackPanel>
</Window>