The ITreeListNodes interface contains properties and methods of the collection of nodes.
| Property name | Brief description | |
| Count | The Count property returns the number of nodes in the collection. | |
| FirstNode | The FirstNode property returns the first tree node. | |
| TreeControl | The TreeControl property returns the parent object. |
| Method name | Brief description | |
| Add | The Add method adds new tree node. | |
| AddChild | The AddChild method adds the child node for the specified node. | |
| AddChildFirst | The AddChildFirst method adds the child node in the first position for the specified node. | |
| AddFirst | The AddFirst method adds a node in the first position on the level where the specified node is placed. | |
| BeginUpdate | The BeginUpdate method disables update of the visual tree of the component. | |
| Clear | The Clear method clears all tree nodes. | |
| Delete | The Delete method deletes the specified node. | |
| EndUpdate | The EndUpdate method cancels the BeginUpdate method. | |
| FindById | The FindById method searches the tree node by identifier. | |
| Insert | The Insert method inserts the new node in the position before the specified node. | |
| SelectAll | The SelectAll method enables the use to select all tree nodes. | |
| UnselectAll | The UnselectAll method allows to deselect all tree nodes. |
See also: