avalon_praktika3/praktika3_graph_interface/MainWindow.axaml

<Window 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"
        mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="500"
        x:Class="praktika3_graph_interface.MainWindow"
        Title="praktika3_graph_interface">

	<Window.Styles>
		<Style Selector="TextBox.textBoxesFIO">
            <Setter Property="Foreground" Value="#759242" />
            <Setter Property="Background" Value="#FFDED3A6" />
            <Setter Property="Margin" Value="5"/>
        </Style>
			<Style Selector="TextBox.textBoxesNum">
            <Setter Property="Foreground" Value="#759242" />
            <Setter Property="Background" Value="#FFDED3A6" />
            <Setter Property="Margin" Value="5"/>
        </Style>
			<Style Selector="ComboBox">
            <Setter Property="Foreground" Value="#759242" />
            <Setter Property="Background" Value="#FFDED3A6" />
            <Setter Property="Margin" Value="5"/>
        </Style>
			<Style Selector="RadioButton">
            <Setter Property="Foreground" Value="#000000"/>
            <Setter Property="HorizontalAlignment" Value="Center" />
			<Setter Property="Margin" Value="10"/>
        </Style>
			<Style Selector="Button.buttonWriteToFile">
            <Setter Property="Foreground" Value="#000000"/>
			<Setter Property="Background" Value="#FFDED3A6" />
            <Setter Property="HorizontalAlignment" Value="Center" />
			<Setter Property="Margin" Value="10"/>
        </Style>
	</Window.Styles>



	<Grid Background="#F2F2EF">
		<StackPanel IsVisible="True" VerticalAlignment="Center" HorizontalAlignment="Center" Orientation="Vertical" Width="400" Name="form">
			<StackPanel>
				<TextBox Classes="textBoxesFIO" Name="tbSurname" Watermark="Фамилия"></TextBox>
			</StackPanel>
			<StackPanel>
				<TextBox Classes="textBoxesFIO" Name="tbName" Watermark="Имя"></TextBox>
			</StackPanel>
			<StackPanel>
				<TextBox Classes="textBoxesFIO" Name="tbPatronymic" Watermark="Отчество"></TextBox>
			</StackPanel>
			<StackPanel>
				<TextBox Classes="textBoxesNum" Name="tbPhone" Watermark="8(XXX)XXX-XX-XX"></TextBox>
			</StackPanel>
			<StackPanel>
				<TextBox Classes="textBoxesNum" Name="tbBirthday" Watermark="01"></TextBox>
			</StackPanel>
			<ComboBox Name="cbMonth" SelectedIndex="0" Width="389">
				<ComboBoxItem IsEnabled="false">Выберите месяц рождения</ComboBoxItem>
				<ComboBoxItem>Январь</ComboBoxItem>
				<ComboBoxItem>Февраль</ComboBoxItem>
				<ComboBoxItem>Март</ComboBoxItem>
				<ComboBoxItem>Апрель</ComboBoxItem>
				<ComboBoxItem>Май</ComboBoxItem>
				<ComboBoxItem>Июнь</ComboBoxItem>
				<ComboBoxItem>Июль</ComboBoxItem>
				<ComboBoxItem>Август</ComboBoxItem>
				<ComboBoxItem>Сентябрь</ComboBoxItem>
				<ComboBoxItem>Октябрь</ComboBoxItem>
				<ComboBoxItem>Ноябрь</ComboBoxItem>
				<ComboBoxItem>Декабрь</ComboBoxItem>
			</ComboBox>
			<StackPanel>
				<TextBox Classes="textBoxesNum" Name="tbBirthyear" Watermark="0001"></TextBox>
			</StackPanel>
			<StackPanel Orientation="Horizontal" HorizontalAlignment="Center">
				<RadioButton Name="rbM">Мужской</RadioButton>
				<RadioButton Name="rbF">Женский</RadioButton>
			</StackPanel>
			<StackPanel Orientation="Horizontal" HorizontalAlignment="Center">
				<Button HorizontalAlignment="Center" Classes="buttonWriteToFile" Name="bWrite" Click="getUser">Записать в файл</Button>
				<Button HorizontalAlignment="Center" Classes="buttonWriteToFile" Name="bRead" Click="showUsers">Показать содержимое файла</Button>
			</StackPanel>
			<StackPanel>
				<Button Classes="buttonWriteToFile" HorizontalAlignment="Center" VerticalAlignment="Center" Click="hideSuccess" Name="bSuccess" IsVisible="false">
					Данные успешно записаны!
				</Button>				
			</StackPanel>
		</StackPanel>
		<StackPanel Name="userlist" VerticalAlignment="Center" HorizontalAlignment="Center" Orientation="Vertical" Width="400">
			<Button Name="buttonReturn" Classes="buttonWriteToFile" VerticalAlignment="Top" Click="bReturn" IsVisible="False">Назад</Button>
		</StackPanel>
	</Grid>
</Window>