<UserControl x:Class="Demo.DesignView"
             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:vm="clr-namespace:Demo.ViewModels"
             d:DataContext="{d:DesignInstance Type=vm:DesignViewModel}">
    <Grid />
</UserControl>
