Test_Kvalif/WpfApp1/Windows/AuthorizationWindow.xaml

<Window x:Class="WpfApp1.Windows.AuthorizationWindow"
        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:local="clr-namespace:WpfApp1.Windows"
        mc:Ignorable="d"
        Title="Авторизация" Height="227.263" Width="321.932" WindowStartupLocation="CenterScreen">
    <Grid>
        <Label Content="Логин" HorizontalAlignment="Left" Margin="50,53,0,0" VerticalAlignment="Top"/>
        <Label Content="Пароль" HorizontalAlignment="Left" Margin="50,88,0,0" VerticalAlignment="Top"/>
        <TextBox Name="LoginText" HorizontalAlignment="Left" Height="23" Margin="118,56,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="120"/>
        <PasswordBox Name="PasswordText" HorizontalAlignment="Left" Margin="118,91,0,0" VerticalAlignment="Top" Width="120" Height="23"/>
        <Button IsDefault="True" Content="Войти" HorizontalAlignment="Left" Margin="111,148,0,0" VerticalAlignment="Top" Click="AuthorizationClick" Width="75"/>
    </Grid>
</Window>