MainWindow.xaml

<?xml version="1.0" encoding="utf-8"?>
<Window
    x:Class="SimpleWindowsTool.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="using:SimpleWindowsTool"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable="d">

    <RelativePanel Margin="0,0">
        <NavigationView x:Name="MainPageNavigationView"
                        IsPaneOpen="True"
                        PaneDisplayMode="Auto"
                        RelativePanel.AlignLeftWithPanel="True"
                        RelativePanel.AlignRightWithPanel="True"
                        RelativePanel.AlignTopWithPanel="True"
                        RelativePanel.AlignBottomWithPanel="True"
                        ItemInvoked="MainPageNavigationView_ItemInvoked"
                        Background="{ThemeResource AppBarBackgroundThemeBrush}">
            <NavigationView.MenuItems>
                <!--To make sure the program navigate properly, tag NavigationViewItem with template ProgramName.PageName(Exclude .xaml), or the program can't navigate-->
                <NavigationViewItem x:Name="NavigationViewItem_LiveTiles" Content="LiveTiles" Tag="SimpleWindowsTool.LiveTilesPage">
                    <NavigationViewItem.Icon>
                        <BitmapIcon x:Name="NavigationViewLiveTilesLogo"
                                    UriSource="ms-appx:///Assets/LiveTilesLogo.png" 
                                    Width="40"
                                    ShowAsMonochrome="False"/>
                    </NavigationViewItem.Icon>
                </NavigationViewItem>
                <NavigationViewItem x:Name="NavigationViewItem_WSATools" Content="WSA" Tag="SimpleWindowsTool.WSAToolsPage">
                    <NavigationViewItem.Icon>
                        <BitmapIcon UriSource="ms-appx:///Assets/WSALogo.png" 
                                    Width="40"
                                    ShowAsMonochrome="False"/>
                    </NavigationViewItem.Icon>
                </NavigationViewItem>
                <NavigationViewItem x:Name="NavigationViewItem_StorageManager" Content="Storage Manager" Tag="SimpleWindowsTool.StorageManagerPage">
                    <NavigationViewItem.Icon>
                        <FontIcon Glyph="&#xEDA2;"/>
                    </NavigationViewItem.Icon>
                </NavigationViewItem>
            </NavigationView.MenuItems>
            <RelativePanel Margin="0,48,-8,-8" CornerRadius="8">
                <Frame x:Name="ContentFrame" Margin="0"
                       RelativePanel.AlignLeftWithPanel="True"
                       RelativePanel.AlignRightWithPanel="True"
                       RelativePanel.AlignTopWithPanel="True"
                       RelativePanel.AlignBottomWithPanel="True">
                </Frame>
            </RelativePanel>
        </NavigationView>
        <Rectangle x:Name="AppTitleBar"
                       RelativePanel.RightOf="MainPageNavigationView"
                       RelativePanel.AlignRightWithPanel="True"
                       RelativePanel.AlignTopWithPanel="True"
                       Height="48"
                       Fill="{ThemeResource AppBarBackgroundThemeBrush}">

        </Rectangle>
    </RelativePanel>
</Window>