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-*Files to look at*:
+
+# WPF Accordion Control - Bind to Hierarchical Data Structure
+
+This example binds [Accordion Control](https://docs.devexpress.com/WPF/118347/controls-and-libraries/navigation-controls/accordion-control) to a hierarchical data structure.
+
+## Implementation Details
+
+To display hierarchical data in the [Accordion Control](https://docs.devexpress.com/WPF/118347/controls-and-libraries/navigation-controls/accordion-control), bind the `ItemsSource` property to a collection populated with child items. Use the [ChildrenPath](https://docs.devexpress.com/WPF/DevExpress.Xpf.Accordion.AccordionControl.ChildrenPath) property to specify the name of the collection.
+
+In this example, the [Accordion Control](https://docs.devexpress.com/WPF/118347/controls-and-libraries/navigation-controls/accordion-control) is bound to a collection of departments. Each department contains a collection of employees:
+
+```xaml
+<dxa:AccordionControl
+    ItemsSource="{Binding Departments}"
+    ChildrenPath="Employees"
+    SelectedItem="{Binding SelectedEmployee, Mode=TwoWay}"
+    SelectionUnit="SubItem" />
+```
+
+`MainViewModel` exposes two bindable properties:
+
+`Departments` – a collection of `EmployeeDepartment` objects grouped by department names.
+
+`SelectedEmployee` – the employee selected in the [Accordion Control](https://docs.devexpress.com/WPF/118347/controls-and-libraries/navigation-controls/accordion-control).
+
+At runtime, the view model loads employee data, groups it by department, and assigns the first available employee to the `SelectedEmployee` property:
+
+```csharp
+var departments = DataHelper.GetEmployees()
+    .GroupBy(x => x.GroupName)
+    .Select(x => CreateEmployeeDepartment(x.Key, x.Take(10).ToArray()))
+    .ToArray();
+
+Departments = new ObservableCollection<EmployeeDepartment>(departments);
+SelectedEmployee = Departments[0].Employees[0];
+```
+
+Each `EmployeeDepartment` object includes an `Employees` collection:
+
+
+```csharp
+public class EmployeeDepartment {
+    public string Name { get; set; }
+    public ObservableCollection<Employee> Employees { get; set; }
+}
+```
+
+## Files to Review
 
 * [MainViewModel.cs](./CS/DXSample/ViewModels/MainViewModel.cs) (VB: [MainViewModel.vb](./VB/DXSample/ViewModels/MainViewModel.vb))
-* **[MainView.xaml](./CS/DXSample/Views/MainView.xaml) (VB: [MainView.xaml](./VB/DXSample/Views/MainView.xaml))**
-<!-- default file list end -->
-# How to: Bind AccordionControl to Hierarchical Data Structure
+* [MainView.xaml](./CS/DXSample/Views/MainView.xaml) (VB: [MainView.xaml](./VB/DXSample/Views/MainView.xaml))
 
+## Documentation
 
-This example demonstrates how to bind <a href="https://documentation.devexpress.com/WPF/CustomDocument118347.aspx">Accordion Control</a> to Hierarchical Data Structure.
+- [Accordion Control](https://docs.devexpress.com/WPF/118347/controls-and-libraries/navigation-controls/accordion-control)
+- [AccordionItem](https://docs.devexpress.com/WPF/DevExpress.Xpf.Accordion.AccordionItem)
+- [AccordionViewMode](https://docs.devexpress.com/WPF/DevExpress.Xpf.Accordion.AccordionViewMode)
+- [MVVM Framework](https://docs.devexpress.com/WPF/15112/mvvm-framework)
 
-<br/>
+## More Examples
 
+- [WPF MVVM Framework - Use View Models Generated at Compile Time](https://github.com/DevExpress-Examples/wpf-mvvm-framework-view-model-generator)
+- [WPF Dock Layout Manager - Bind the View Model Collection with LayoutAdapters](https://github.com/DevExpress-Examples/wpf-docklayoutmanager-bind-view-model-collection-with-layoutadapters)
+- [WPF Dock Layout Manager - Bind the View Model Collection with IMVVMDockingProperties](https://github.com/DevExpress-Examples/wpf-docklayoutmanager-bind-view-model-collection-with-IMVVMDockingProperties)
+- [WPF Dock Layout Manager - Populate a DockLayoutManager LayoutGroup with the ViewModels Collection](https://github.com/DevExpress-Examples/wpf-docklayoutmanager-display-viewmodels-collection-in-layoutgroup)
+- [Add the Loading Decorator to the Application with the MVVM Structure](https://github.com/DevExpress-Examples/wpf-display-loading-decorator-in-manual-mode-with-mvvm)
+- [WPF Hamburger Menu Control - Navigate Between the MVVM Views](https://github.com/DevExpress-Examples/wpf-hamburger-menu-with-mvvm)
+- [Reporting for WPF - How to Use ViewModel Data as Report Parameters in a WPF MVVM Application](https://github.com/DevExpress-Examples/reporting-wpf-mvvm-viewmodel-data-to-report)
+- [Reporting for WPF - How to Use the DocumentPreviewControl in a WPF MVVM Application to Preview a Report](https://github.com/DevExpress-Examples/reporting-wpf-mvvm-show-report-document-preview)
 
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 ## Does this example address your development requirements/objectives?