一个很漂亮的WPF TreeView例子

[{"title":"（ 54 个子文件 313KB ） 一个很漂亮的WPF TreeView例子","children":[{"title":"TreeView","children":[{"title":"Changelog.txt <span style='color:#111;'> 2.73KB </span>","children":null,"spread":false},{"title":"WPF TreeView","children":[{"title":"ItemMonitor.cs <span style='color:#111;'> 16.47KB </span>","children":null,"spread":false},{"title":"Themes","children":[{"title":"Generic.xaml <span style='color:#111;'> 235B </span>","children":null,"spread":false}],"spread":true},{"title":"Properties","children":[{"title":"Resources.Designer.cs <span style='color:#111;'> 2.82KB </span>","children":null,"spread":false},{"title":"Settings.settings <span style='color:#111;'> 201B </span>","children":null,"spread":false},{"title":"Resources.resx <span style='color:#111;'> 5.48KB </span>","children":null,"spread":false},{"title":"Settings.Designer.cs <span style='color:#111;'> 1.08KB </span>","children":null,"spread":false},{"title":"AssemblyInfo.cs <span style='color:#111;'> 2.91KB 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</span>","children":null,"spread":false}],"spread":true},{"title":"Introduction.xaml.cs <span style='color:#111;'> 792B </span>","children":null,"spread":false},{"title":"Sample Application.csproj <span style='color:#111;'> 6.38KB </span>","children":null,"spread":false},{"title":"InputDialog.xaml <span style='color:#111;'> 1.10KB </span>","children":null,"spread":false},{"title":"MainWindow.xaml.cs <span style='color:#111;'> 9.44KB </span>","children":null,"spread":false},{"title":"AboutDialog.xaml <span style='color:#111;'> 4.52KB </span>","children":null,"spread":false},{"title":"CategoryTree.cs <span style='color:#111;'> 6.28KB </span>","children":null,"spread":false},{"title":"App.xaml <span style='color:#111;'> 499B </span>","children":null,"spread":false},{"title":"App.xaml.cs <span style='color:#111;'> 288B </span>","children":null,"spread":false},{"title":"InputDialog.xaml.cs <span style='color:#111;'> 828B </span>","children":null,"spread":false},{"title":"ClassDiagram1.cd <span style='color:#111;'> 1.00KB </span>","children":null,"spread":false},{"title":"TreeResources.xaml <span style='color:#111;'> 6.24KB </span>","children":null,"spread":false},{"title":"Images","children":[{"title":"Book.png <span style='color:#111;'> 622B </span>","children":null,"spread":false},{"title":"Movie.png <span style='color:#111;'> 653B </span>","children":null,"spread":false},{"title":"Logo.png <span style='color:#111;'> 8.90KB </span>","children":null,"spread":false},{"title":"Home.png <span style='color:#111;'> 813B </span>","children":null,"spread":false},{"title":"Music.png <span style='color:#111;'> 385B </span>","children":null,"spread":false},{"title":"Add.png <span style='color:#111;'> 502B </span>","children":null,"spread":false},{"title":"Info.png <span style='color:#111;'> 3.80KB </span>","children":null,"spread":false},{"title":"FolderSelected.png <span style='color:#111;'> 590B </span>","children":null,"spread":false},{"title":"Star.png <span 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