DWGList_GetTopIndex| Funktionsname | dcl_DWGList_GetTopIndex |
|---|---|
| Syntax | (dcl_DWGList_GetTopIndex
<CONTROL>) |
| Rückgabewert | Long |
| Anwendbar auf | DWG List |
This method returns the index (zero based) of the first (topmost) visible item in the list box, or -1 if the list box is empty.