crosslangdevstudio/Views/FileEditorView.axaml

<UserControl xmlns="https://github.com/avaloniaui"
             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:vm="clr-namespace:CrossLangDevStudio.ViewModels"
             mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
             x:Class="CrossLangDevStudio.Views.FileEditorView"
             xmlns:AvaloniaEdit="clr-namespace:AvaloniaEdit;assembly=AvaloniaEdit"
             x:DataType="vm:FileEditorViewModel">
             <Design.DataContext>
            <!-- This only sets the DataContext for the previewer in an IDE,
         to set the actual DataContext for runtime, set the DataContext property in code (look at App.axaml.cs) -->
                <vm:FileEditorViewModel />
        </Design.DataContext>
        
        
         <!--<TextBox FontSize="24" FontFamily="{StaticResource AardvarkFont}" Text="{Binding Text}" AcceptsReturn="True" AcceptsTab="True" TextWrapping="Wrap"/>-->
        
</UserControl>