PsychoTests/MainWindow.xaml

<Window x:Class="PsychoTest.MainWindow"
        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:PsychoTest"
        mc:Ignorable="d"
        Icon="/Resources/app_icon.ico"
        Title="MainWindow" Height="1024" Width="1440" WindowState="Maximized">

    <Frame Name="WindowFrame" NavigationUIVisibility="Hidden"/>
</Window>