inabox/InABox.Avalonia/Components/SearchBar/SearchBar.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:components="clr-namespace:InABox.Avalonia.Components"
             mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="100"
             x:Class="InABox.Avalonia.Components.SearchBar"
			 x:DataType="components:SearchBar">
	<Border Background="{StaticResource PrsTileBackground}"
			BorderThickness="{StaticResource PrsBorderThickness}"
			BorderBrush="{StaticResource PrsTileBorder}"
			CornerRadius="{StaticResource PrsCornerRadius}"
			Height="40"
			Padding="3">
		<Grid>
			<Grid.ColumnDefinitions>
				<ColumnDefinition Width="Auto"/>
				<ColumnDefinition Width="*"/>
			</Grid.ColumnDefinitions>
			<Image Classes="Small" Source="{SvgImage /Images/search.svg}"
				   Grid.Column="0"/>
			<TextBox Name="TextBox"
					 Grid.Column="1"
					 Watermark="{Binding $parent[components:SearchBar].PlaceholderText}"
					 Text="{Binding $parent[components:SearchBar].Text}"
					 TextChanged="TextBox_TextChanged"
					 VerticalAlignment="Center"
					 VerticalContentAlignment="Center"
					 Background="Transparent"
					 Margin="0"
					 BorderBrush="Transparent"
					 BorderThickness="0">
			</TextBox>
		</Grid>
	</Border>
</UserControl>