Retrieves the index of the object that is currently at the top of the visible portion of a list widget.
- pif:[in] Pointer to the IWidget interface object.
- pnIndex:[out] On successful termination, stores the top currently visible item in the widget
int IWidget_GetTopIndex(IWidget *pif, int *pnIndex)
AEE_SUCCESS - Successfully retrieved the index of the top object AEE_EFAILED - Failed to retrieve the index of the top object
On successful completion *pnIndex stores the index of the top item.