wpf 导航栏（展开效果也不错）源码

using System;
using System.Collections.Generic;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Threading.Tasks;
using System.Windows;

namespace WPFNavigation
{
    /// 

    /// App.xaml 的交互逻辑
    /// 

    public partial class App : Application
    {
    }
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     文件        1008  2018-01-06 13:59  WPFNavigation\WPFNavigation.sln
     文件       69120  2018-01-06 14:08  WPFNavigation\WPFNavigation.v12.suo
     目录           0  2018-01-06 14:05  WPFNavigation\WPFNavigation\
     文件         187  2018-01-05 15:14  WPFNavigation\WPFNavigation\App.config
     文件         551  2018-01-06 08:00  WPFNavigation\WPFNavigation\App.xaml
     文件         340  2018-01-06 14:01  WPFNavigation\WPFNavigation\App.xaml.cs
     目录           0  2018-01-06 13:57  WPFNavigation\WPFNavigation\bin\
     目录           0  2018-01-06 14:08  WPFNavigation\WPFNavigation\bin\Debug\
     文件      197120  2018-01-06 14:08  WPFNavigation\WPFNavigation\bin\Debug\WPFNavigation.exe
     文件         187  2018-01-05 15:14  WPFNavigation\WPFNavigation\bin\Debug\WPFNavigation.exe.config
     文件       34304  2018-01-06 14:08  WPFNavigation\WPFNavigation\bin\Debug\WPFNavigation.pdb
     文件       24224  2018-01-06 14:08  WPFNavigation\WPFNavigation\bin\Debug\WPFNavigation.vshost.exe
     文件         187  2018-01-05 15:14  WPFNavigation\WPFNavigation\bin\Debug\WPFNavigation.vshost.exe.config
     目录           0  2018-01-05 15:21  WPFNavigation\WPFNavigation\bin\Release\
     目录           0  2018-01-06 14:07  WPFNavigation\WPFNavigation\images\
     文件       42887  2017-11-22 08:40  WPFNavigation\WPFNavigation\images\devst.png
     文件       42887  2017-11-22 08:51  WPFNavigation\WPFNavigation\images\funsetting.png
     文件        3952  2018-01-06 13:51  WPFNavigation\WPFNavigation\images\logout.PNG
     文件       42887  2017-11-22 09:59  WPFNavigation\WPFNavigation\images\mantest.png
     文件       42887  2017-11-22 08:32  WPFNavigation\WPFNavigation\images\setting.png
     文件        5827  2018-01-06 14:05  WPFNavigation\WPFNavigation\MainWindow.xaml
     文件        1826  2018-01-06 14:01  WPFNavigation\WPFNavigation\MainWindow.xaml.cs
     目录           0  2018-01-06 13:57  WPFNavigation\WPFNavigation\obj\
     目录           0  2018-01-06 14:08  WPFNavigation\WPFNavigation\obj\Debug\
     文件         752  2018-01-06 14:08  WPFNavigation\WPFNavigation\obj\Debug\App.baml
     文件        2783  2018-01-06 14:08  WPFNavigation\WPFNavigation\obj\Debug\App.g.cs
     文件        2783  2018-01-06 14:08  WPFNavigation\WPFNavigation\obj\Debug\App.g.i.cs
     文件        7092  2018-01-06 14:08  WPFNavigation\WPFNavigation\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache
     文件        1356  2018-01-06 13:55  WPFNavigation\WPFNavigation\obj\Debug\gAutoPack.csproj.FileListAbsolute.txt
     文件         919  2018-01-06 11:59  WPFNavigation\WPFNavigation\obj\Debug\gAutoPack.csproj.GenerateResource.Cache
     文件        2354  2018-01-06 13:53  WPFNavigation\WPFNavigation\obj\Debug\gAutoPack.csprojResolveAssemblyReference.cache
............此处省略42个文件信息