

| Name | Value | Description | |||
| exNoButtons | 0 | The control displays no expand buttons | |||
| exPlus | -1 |
(by default) A plus sign is displayed for collapsed items, and a minus sign for expanded
items.( | |||
| exArrow | 1 |
The control uses icons to display the expand buttons.( | |||
| exCircle | 2 |
The control uses icons to display the expand buttons. ( | |||
| exWPlus | 3 |
The control uses icons to display the expand buttons. ( | |||
| exCustom | 4 | The Background(exTreeGlyphCollapsed) / Background(exTreeGlyphExpanded) property specifies the visual appearance to show the glyph next to the collapsed/expanded element. |