ImageComboBox_GetTopIndex

Funktionsname dcl_ImageComboBox_GetTopIndex
Syntax   (dcl_ImageComboBox_GetTopIndex <CONTROL>)
Rückgabewert Long
Anwendbar auf Image Combo Box

This method returns the index (zero based) of the first (topmost) visible item in the combo list box, or -1 if the list box is empty.