The getItemAt method gets the exported value or name for an item in a combo box or a list box.
System.String getItemAt(System.Int32 nIdx, System.Boolean bExportValue);
nIdx
[Optional] Index of the item to read. First item is zero. If it is not specified, it will select the current item.
bExportValue
[Optional] Whether to return an export value instead of item name.
Returns the export value or name of the Field Object, otherwise, null.
Member of field.