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The TreeView control for Xamarin.iOS displays hierarchical data in a tree structure with expanding and collapsing nodes. The control provides an optimized reuse strategy, smooth scrolling experience, and virtualization. In addition, illustrate an office hierarchy, org structure, or nested relationships in an application by using the TreeView control. It offers performance with features like data binding, unbound node population, selection with different selection modes, and complete UI customization.

Data binding

The TreeView control supports both ItemsSource binding and unbound mode nodes population. Easily customize the TreeView control as a navigation control by populating the unbound mode nodes.

Bind ItemsSource and unbound node population in the Xamarin.iOS TreeView


The TreeView control allows you to customize the entire tree node by hosting any image and custom view using a adapter. The control supports customizing each node (both parent and child nodes) by dynamic selection of the UI.

Template customization in the Xamarin.iOS TreeView


  • Built-in support for selection with single, single-deselect, multiple, extended, and none select modes.
  • Background colors can be applied to selected items.

Xamarin.iOS TreeView with selection

Interaction with nodes

  • Easily expand and collapse nodes either programmatically or through user interaction using the expander. In addition, a user can expand and collapse nodes using node content.
  • Provides events for handling all user interactions at the application level.


Expanded customization for Xamarin.iOS TreeView

Expander customization

The TreeView control provides a customizable expander UI, including size customization, for creating an elegant look and feel.

Define sizes for nodes in the Xamarin.iOS TreeView

Item sizing

Easily customize the item height for the Xamarin.iOS TreeView control.

Indent spacing for child node in the Xamarin.iOS TreeView


Specify the required indentation space for child nodes in the Xamarin.iOS TreeView control.


  • Xamarin.Forms
  • Xamarin.Android
  • Xamarin.iOS

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