Enum used by the TreeView.SetSelection method.
| None | If this flag is passed to TreeView.SetSelection no extra logic is be performed after setting selection. | 
| FireSelectionChanged | If this flag is passed to TreeView.SetSelection then the TreeView will call the its TreeView.SelectionChanged method. | 
| RevealAndFrame | If this flag is passed to TreeView.SetSelection then the TreeView will make sure the last item in the input selection list is visible on screen. |