This sample explains you about the Dropdown Tree item that can be configured by the icons or images. Click on the
          icon or double click on it to expand or collapse and to show the icons or images that are configured with the
          items.
       
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                    Description
    
                    
                        
                           
        
The Dropdown Tree component has the built-in option to customize each item's appearance with the
          icons and images by mapping the iconCss and imageUrl fields.
        In this demo, the Dropdown Tree is showcased like a file system with custom icons and images.