PicView/src/PicView.Avalonia/Views/UC/TitleTextBox.axaml

<UserControl
    x:Class="PicView.Avalonia.Views.TitleTextBox"
    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:viewModels="clr-namespace:PicView.Avalonia.ViewModels"
    d:DesignHeight="450"
    d:DesignWidth="800"
    x:DataType="viewModels:MainViewModel"
    Background="{StaticResource SecondaryBackgroundColor}"
    mc:Ignorable="d">
    <Design.DataContext>
        <viewModels:MainViewModel />
    </Design.DataContext>
    <TextBlock
        Height="30"
        Padding="3,7,3,5"
        VerticalAlignment="Center"
        FontFamily="avares://PicView.Avalonia.Theme/Assets/Fonts/Roboto-Medium.ttf#Roboto"
        FontSize="13"
        FontWeight="Medium"
        IsTabStop="False"
        Text="{Binding Title}"
        TextAlignment="Center"
        TextTrimming="CharacterEllipsis"
        ToolTip.Tip="{Binding TitleTooltip}" />
</UserControl>