CourseProject_ended/Hotel_Course_Project/PayAddOnOrderWindow.xaml

<Window x:Class="Hotel_Course_Project.PayAddOnOrderWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        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:materialDesign="https://materialdesigninxaml.net/winfx/xaml/themes"
        xmlns:local="clr-namespace:Hotel_Course_Project"
        mc:Ignorable="d"
        Title="Подтверждение платежа" Height="200" Width="200" WindowStartupLocation="CenterScreen" ResizeMode="NoResize"
        Icon="pack://application:,,,/Resources/favicon.ico">
    <Grid>
        <Grid.ColumnDefinitions>
            <ColumnDefinition></ColumnDefinition>
            <ColumnDefinition></ColumnDefinition>
        </Grid.ColumnDefinitions>
        <Grid.RowDefinitions>
            <RowDefinition></RowDefinition>
            <RowDefinition></RowDefinition>
            <RowDefinition></RowDefinition>
        </Grid.RowDefinitions>
        <TextBlock HorizontalAlignment="Center" VerticalAlignment="Center">Итоговая сумма</TextBlock>
        <TextBlock Grid.Row="1" HorizontalAlignment="Center" VerticalAlignment="Center">Вид оплаты</TextBlock>
        <TextBlock Name="SummEnd" Grid.Column="1" HorizontalAlignment="Center" VerticalAlignment="Center"></TextBlock>
        <ComboBox Name="SPayTypeCB" DisplayMemberPath="Name" Grid.Row="1" Grid.Column="1"></ComboBox>
        <Button Grid.Row="2" Name="BackBtn" Click="BackBtn_Click">Отменить</Button>
        <Button Grid.Row="2" Grid.Column="1" Name="AddBtn" Click="AddBtn_Click">Подтвердить</Button>
    </Grid>
</Window>