<TreeView Nodes="Items"
          GetChildNodes="@(item => item.Children)"
          HasChildNodes="@(item => item.Children?.Any() == true)"
          @bind-SelectedNode="selectedNode"
          @bind-ExpandedNodes="expandedNodes">
    <NodeContent>
        @if ( context.Something )
        {
            <Icon Name="IconName.Folder" />
        }
        else
        {
            <Icon Name="IconName.Heart" />
        }
        @context.Text
    </NodeContent>
</TreeView>