OptionList_GetTopIndex| Funktionsname | dcl_OptionList_GetTopIndex |
|---|---|
| Syntax | (dcl_OptionList_GetTopIndex
<CONTROL>) |
| Rückgabewert | Long |
| Anwendbar auf | Option List |
This method returns the index (zero based) of the first (topmost) visible option button in the list, or -1 if the list is empty.