wpf mvvm treeview 动态加载实现重命名与右键添加

综合网上资源制作的，根据那些零碎的代码组合的，高手请跳过。已经整理好，可以运行。（特别注意，只有第一个根目录树加载了右键命令，第二个没有加载，自己可以根据需要改变每个树的右键命令）

using System;
using System.Windows;
using System.Windows.Navigation;
using System.Data;
using System.xml;
using System.Configuration;
using System.Windows.Interop;

namespace TestTreeView
{
    /// 

    /// Interaction logic for MyApp.xaml
    /// 


    public partial class MyApp : Application
    {

        //  Can be used at runtime to determine if running as XBAP
        static public bool IsXBAP
        {
            get
            {
                return BrowserInteropHelper.IsBrowserHosted;
            }
        }
    }
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

    ..A..H.     89600  2017-06-29 14:34  TestTreeView\.vs\TestTreeView\v14\.suo

     文件      21056  2017-06-29 09:42  TestTreeView\packages\CommonServiceLocator.1.3\CommonServiceLocator.1.3.nupkg

     文件      18112  2017-06-29 09:42  TestTreeView\packages\CommonServiceLocator.1.3\lib\portable-net4+sl5+netcore45+wpa81+wp8\Microsoft.Practices.ServiceLocation.dll

     文件      24064  2017-06-29 09:42  TestTreeView\packages\CommonServiceLocator.1.3\lib\portable-net4+sl5+netcore45+wpa81+wp8\Microsoft.Practices.ServiceLocation.pdb

     文件      15978  2017-06-29 09:42  TestTreeView\packages\CommonServiceLocator.1.3\lib\portable-net4+sl5+netcore45+wpa81+wp8\Microsoft.Practices.ServiceLocation.xml

     文件      31744  2017-06-29 09:42  TestTreeView\packages\Prism.Core.6.3.0\lib\MonoAndroid10\Prism.dll

     文件      82291  2017-06-29 09:42  TestTreeView\packages\Prism.Core.6.3.0\lib\MonoAndroid10\Prism.xml

     文件      31744  2017-06-29 09:42  TestTreeView\packages\Prism.Core.6.3.0\lib\MonoTouch10\Prism.dll

     文件      82291  2017-06-29 09:42  TestTreeView\packages\Prism.Core.6.3.0\lib\MonoTouch10\Prism.xml

     文件      31744  2017-06-29 09:42  TestTreeView\packages\Prism.Core.6.3.0\lib\net45\Prism.dll

     文件      82291  2017-06-29 09:42  TestTreeView\packages\Prism.Core.6.3.0\lib\net45\Prism.xml

     文件      31744  2017-06-29 09:42  TestTreeView\packages\Prism.Core.6.3.0\lib\portable-win+net45+wp80+win81+wpa81+MonoAndroid10+MonoTouch10+Xamarin.iOS10\Prism.dll

     文件      82291  2017-06-29 09:42  TestTreeView\packages\Prism.Core.6.3.0\lib\portable-win+net45+wp80+win81+wpa81+MonoAndroid10+MonoTouch10+Xamarin.iOS10\Prism.xml

     文件      31744  2017-06-29 09:42  TestTreeView\packages\Prism.Core.6.3.0\lib\wp8\Prism.dll

     文件      82291  2017-06-29 09:42  TestTreeView\packages\Prism.Core.6.3.0\lib\wp8\Prism.xml

     文件      31744  2017-06-29 09:42  TestTreeView\packages\Prism.Core.6.3.0\lib\wp81\Prism.dll

     文件      82291  2017-06-29 09:42  TestTreeView\packages\Prism.Core.6.3.0\lib\wp81\Prism.xml

     文件      31744  2017-06-29 09:42  TestTreeView\packages\Prism.Core.6.3.0\lib\wpa81\Prism.dll

     文件      82291  2017-06-29 09:42  TestTreeView\packages\Prism.Core.6.3.0\lib\wpa81\Prism.xml

     文件      31744  2017-06-29 09:42  TestTreeView\packages\Prism.Core.6.3.0\lib\Xamarin.iOS10\Prism.dll

     文件      82291  2017-06-29 09:42  TestTreeView\packages\Prism.Core.6.3.0\lib\Xamarin.iOS10\Prism.xml

     文件     196184  2017-06-29 09:42  TestTreeView\packages\Prism.Core.6.3.0\Prism.Core.6.3.0.nupkg

     文件      18432  2017-06-29 09:42  TestTreeView\packages\Prism.Unity.6.3.0\lib\net45\Prism.Unity.Wpf.dll

     文件      17520  2017-06-29 09:42  TestTreeView\packages\Prism.Unity.6.3.0\lib\net45\Prism.Unity.Wpf.xml

     文件      10752  2017-06-29 09:42  TestTreeView\packages\Prism.Unity.6.3.0\lib\uap10.0\Prism.Unity.Windows.dll

     文件        704  2017-06-29 09:42  TestTreeView\packages\Prism.Unity.6.3.0\lib\uap10.0\Prism.Unity.Windows.pri

     文件      10241  2017-06-29 09:42  TestTreeView\packages\Prism.Unity.6.3.0\lib\uap10.0\Prism.Unity.Windows.xml

     文件      21021  2017-06-29 09:42  TestTreeView\packages\Prism.Unity.6.3.0\Prism.Unity.6.3.0.nupkg

     文件     140288  2017-06-29 09:42  TestTreeView\packages\Prism.Wpf.6.3.0\lib\net45\Prism.Wpf.dll

     文件     327077  2017-06-29 09:42  TestTreeView\packages\Prism.Wpf.6.3.0\lib\net45\Prism.Wpf.xml

............此处省略214个文件信息