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TreeView - Keyboard Navigation

Configurator

Selection Mode

  • Keyboard-navigation.razor
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Focus

  • Alt + W focuses the first component in the example

Supported keys and user actions

  • Up arrow goes to the previous tree node.
  • Down arrow goes to the next tree node.
  • Right arrow expands a collapsed node. If the node is expanded, focus is moved to its first child node.
  • Left arrow collapses an expanded node. If the node is collapsed, focus is moved to its parent.
  • Home moves focus to the first node in the tree without opening or closing a node.
  • End moves focus to the last node in the tree that is focusable without opening a node.
  • Enter selects focused tree view item when the selection mode is Single or Multiple. When the selection mode is Multiple and there are other selected items, they get deselected.
  • Ctrl + Enter selects focused item. When the item is already selected, it gets deselected.
  • Shift + Enter when Multiple selection is enabled, perform range selection from previous selected item to the current selected item. Equivalent to Shift+Click.

Description

Keyboard navigation provides all web and app users with a fast keyboard-only navigation capability and is also part of the web accessibility features - it enables users with disabilities to fully control their website or app access through the keyboard.

By default, users can only navigate to links, buttons, and form controls with a keyboard. The navigation order in which interactive items receive keyboard focus has to be logical and intuitive. Generally, keyboard navigation logic needs to follow the visual horizontal and vertical flow of the page, for example, left to right and top to bottom, header first followed by the main and then the page navigation.

The keyboard navigation of the Telerik UI for Blazor TreeView is always enabled, as demonstrated in this demo.

This TreeView Keyboard Navigation example is part of a unique collection of hundreds of Blazor demos, with which you can see all Telerik UI for Blazor components and their features in action. View the source code of the demos from the library or directly adapt, and edit them and their theme appearance in Telerik REPL for Blazor or ThemeBuilder.

Support & Learning Resources

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