Default GUI methods and properties for the TreeView class.
| BoldLabel | Draws a bold label that have correct text color when selected and/or focused. |
| BoldLabelRightAligned | Draws a bold right aligned label that have correct text color when selected and/or focused. |
| FoldoutLabel | Draws a foldout label that have correct text color when selected and/or focused. |
| Label | Draws a label that have correct text color when selected and/or focused. |
| LabelRightAligned | Draws a right aligned label that have correct text color when selected and/or focused. |