<?xml  version="1.0"?>
<Window Title="Mock App" Visible="True" Size="1024, 576">
        <Button BackgroundColor="#ff0000" Label="Button 1" Icon="circle" Location="top_left" Size="0.3f, 0.1f"/>
        <ToggleButton BackgroundColor="#00ff00" Label="Button 2" Icon="arrow_up_white" Location="top_right" Size="0.3f, 0.1f"/>
        <Panel BackgroundColor="#555555" Size="0.5f, 0.5f" Location="0f, 0.5f"/>
</Window >