Specifies whether the list box item under the mouse cursor is to be selected automatically, if not already selected, before a context menu is displayed. If the list box item is not already selected, the existing selection (if any) is cleared before selecting it in the case of multi-selection list boxes. Otherwise the existing selection is left intact.
| Applies to | List box control. |
|---|---|
| Data Type | BOOLEAN |
| Default Value | FALSE |
| Possible Values | TRUE / FALSE |
