Defines how the group displays the
expanding/collapsing buttons.
| | Name | Value | Description | |
| |
exNoButtons | 0
|
The group displays no expand buttons.
| |
| |
exPlus | -1
|
A plus sign is displayed for collapsed items, and a minus sign for expanded
items.(  )
| |
| |
exArrow | 1
|
The group uses icons to display the expand buttons.(
 )
| |
| |
exCircle | 2
|
The group uses icons to display the expand buttons. (
 )
| |
| |
exWPlus | 3
|
The group uses icons to display the expand buttons. (
 )
| |
| |
exCustom | 4
|
The HasButtonsCustom property specifies
the index of icons being used for +/- signs on parent items.
| |
