Demonstration and configuration of the Radzen Blazor Tree component.
    In this demo an inline-defined tree shows car brands (BMW, Audi, Mercedes) with their models (M3/M5, RS4/RS6, C63/S63 AMG), using custom Template to display brand logos and bold text, with Expand, Collapse, and Change events logged to console.
Console log
The following keys or key combinations provide a way for users to navigate and interact with Radzen Blazor Tree component.
| Press this key | To do this | 
|---|---|
| Tab | Navigate to a Tree component. | 
| UpArrow | Select previous hierarchical Tree item. | 
| DownArrow | Select next hierarchical Tree item. | 
| RightArrow | Expands selected Tree item. | 
| LeftArrow | Collapse selected Tree item. | 
| Enter or Space | Check/uncheck selected Tree item if CheckBox is available. | 
Radzen Blazor Components, © 2018-2025 Radzen. 
                                Source Code licensed under
                                MIT