MainWindow.xaml

<Window x:Class="Game.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:Game"
        
        
        xmlns:comment="*********** IMPORTANT PARAMETERS GO HERE ***********"
        mc:Ignorable="d comment" 
        Title="MainWindow" 
        Height="{x:Static SystemParameters.FullPrimaryScreenHeight}" 
        HorizontalContentAlignment="Center" VerticalContentAlignment="Center" 
        BorderThickness="0" Loaded="Window_Loaded" Background="Black"
        WindowStartupLocation="Manual" Left="0" Top="0" ResizeMode="CanMinimize">

    <DockPanel Margin="0,0,0,0">
        <Frame Name="ParentFrame" NavigationUIVisibility="Hidden" VerticalAlignment="Stretch"/>
    </DockPanel>

</Window>