inabox/InABox.Avalonia/Dialogs/TextDialog/TextDialogView.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="using:InABox.Avalonia.Components"
			 xmlns:dialogs="clr-namespace:InABox.Avalonia.Dialogs"
			 mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
             x:Class="InABox.Avalonia.Dialogs.TextDialogView"
			 x:DataType="dialogs:TextDialogViewModel">
	
	<UserControl.Resources>
		<dialogs:TextDialogVerticalAlignmentConverter x:Key="VerticalAlignmentConverter"/>
	</UserControl.Resources>
	
	<Grid>
		
		<Grid.RowDefinitions>
			<RowDefinition Height="Auto"/>
			<RowDefinition Height="*"/>
			<RowDefinition Height="Auto"/>
		</Grid.RowDefinitions>
		
		<Grid.ColumnDefinitions>
			<ColumnDefinition Width="Auto"/>
			<ColumnDefinition Width="*"/>
			<ColumnDefinition Width="Auto"/>
		</Grid.ColumnDefinitions>
		
		<Label
			Grid.Row="0"
			Grid.Column="0"
			Grid.ColumnSpan="3"
			Margin="0,0,0,10"
			Content="{Binding Title}" />
		
		<TextBox 
			Grid.Row="1" 
			Grid.Column="0" 
			Grid.ColumnSpan="3"
			Text="{Binding Text}" 
			AcceptsReturn="{Binding Multiline}"
			Margin="0,0,0,10"
			VerticalContentAlignment="{Binding Multiline,Converter={StaticResource VerticalAlignmentConverter}}"
			TextWrapping="Wrap"/>
		
		<Button 
			Grid.Row="2" 
			Grid.Column="0" 
			Content="Cancel" 
			Command="{Binding CancelCommand}" 
			Classes="Standard"/>
		
		<Button 
			Grid.Row="2" 
			Grid.Column="2" 
			Content="OK" 
			Command="{Binding OKCommand}" 
			Classes="Standard"/>
		
	</Grid>
</UserControl>