# Structure

> caption Figure 1: RadTreeView Structure

![WinForms RadTreeView Structure](https://www.telerik.com/products/winforms/documentation/assets/899b4390ff9d027b520967514702aa3b/treeview-structure001.png)

1. **TreeNodeElement:** Represents the entire node element. Contains all other elements.
2. **TreeNodeImageElement:** Used for displaying an image.
3. **TreeNodeExpanderItem:** Used for expanding/collapsing child nodes if any.
4. **TreeNodeLineElement:** Displays a line that connects the nodes.
5. **TreeNodeContentElement:** Shows the the node text. Can display additional image as well.

# Elements Hierarchy

> caption Figure 2: Elements Hierarchy

![WinForms RadTreeView Elements Hierarchy](https://www.telerik.com/products/winforms/documentation/assets/9b0da59cc09c08b4fb100ccab4aba1e1/treeview-structure002.png)

## See Also

* [Getting Started](https://www.telerik.com/products/winforms/documentation/controls/treeview/getting-started)

* [Properties, Methods and Events](https://www.telerik.com/products/winforms/documentation/controls/treeview/properties-methods-events)