ManyPagesAvalonia/AvaloniaApplication10/Views/Page2.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:vm="using:AvaloniaApplication10.ViewModels"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
             mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
			 x:DataType="vm:MainWindowViewModel"
             x:Class="AvaloniaApplication10.Page2">
	<StackPanel>
		<TextBlock>Вы перешли на страницу 2</TextBlock>
	<Button Command="{Binding ToPage1}">Вернуться на страницу 1</Button>
	</StackPanel>
	
</UserControl>