MainPage.xaml

<Page
    x:Class="Novel2.MainPage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="using:Novel2"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable="d"
    Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">

    <Grid>
        <NavigationView x:Name="nvSample8" Grid.Row="1"
                        PaneDisplayMode="Top"
                        IsTabStop="False"
                        ItemInvoked="NvSample_OnItemInvoked"
                        Loaded="MainPage_OnLoaded"
                        IsBackButtonVisible="Collapsed">
            <NavigationView.MenuItems>
                <NavigationViewItem Content="主页" Icon="Home" ToolTipService.ToolTip="就主页，也没啥好看的" IsEnabled="True" Tag="NavHome" />
                <NavigationViewItem Content="分类" Icon="Contact" ToolTipService.ToolTip="分类，选择你想要看的小说" IsEnabled="True" Tag="NavNovel" />
                <NavigationViewItem Content="关于我" Icon="People" ToolTipService.ToolTip="就是我的基本信息啦" IsEnabled="True" Tag="NavAboutme" />
                <NavigationViewItem Content="音乐播放器" Icon="Contact" ToolTipService.ToolTip="可以选择你阅读时想要听的歌" IsEnabled="True" Tag="NavPlayer" />
            </NavigationView.MenuItems>
            <Frame x:Name="MainPageFrame" />
        </NavigationView>
    </Grid>
</Page>