<TextBlock Name="PART_Message2" Text="{TemplateBinding Message2}"/>

        <Style Selector="view|EmbeddedWarningBox /template/  TextBlock#PART_Message2">

          <Setter Property="FontSize" Value="12"/>

          <Setter Property="TextWrapping" Value="Wrap"/>

        </Style>

        public static readonly StyledProperty<string> Message2Property =

            AvaloniaProperty.Register<EmbeddedWarningBox, string>(nameof(Message2));

        public string Message2 { get => GetValue(Message2Property); set => SetValue(Message2Property, value); }