Creates a TreeView with all default properties.
Use BaseTreeView.SetRootItems_1 to add content.
| Parameter | Description | 
|---|---|
| makeItem | The factory method to call to create a display item. The method should return a VisualElement that can be bound to a data item. | 
| bindItem | The method to call to bind a data item to a display item. The method receives as parameters the display item to bind, and the index of the data item to bind it to. | 
Creates a TreeView with specified factory methods.
Use BaseTreeView.SetRootItems_1 to add content.
| Parameter | Description | 
|---|---|
| itemHeight | The item height to use in FixedHeight virtualization mode. | 
| makeItem | The factory method to call to create a display item. The method should return a VisualElement that can be bound to a data item. | 
| bindItem | The method to call to bind a data item to a display item. The method receives as parameters the display item to bind, and the index of the data item to bind it to. | 
Creates a TreeView with specified factory methods using the fixed height virtualization method.
Use BaseTreeView.SetRootItems_1 to add content.