Oldschool
В смысле считать? Вернуть текст из элемента ListView? Попробуй так:
Код:

#include <GUIConstants.au3>
#include <GUIListView.au3>
GUICreate("Drop_Gui", 420, 310, -1, -1, $WS_OVERLAPPEDWINDOW, $WS_EX_ACCEPTFILES)
$input = GUICtrlCreateInput("", 50, 10, 200, 20, BitOR($ES_CENTER, $ES_AUTOHSCROLL), $WS_EX_CLIENTEDGE)
GUICtrlSetState(-1, $GUI_DROPACCEPTED)
$ListView = GUICtrlCreateListView("Selected files", 50, 50, 320, 200, $LVS_SORTASCENDING, $LVS_EX_FULLROWSELECT + $LVS_EX_GRIDLINES)
_GUICtrlListViewSetColumnWidth($ListView, 0, 320)
$add = GUICtrlCreateButton("Add", 260, 10, 50, 22)
$read = GUICtrlCreateButton("Read", 320, 10, 50, 22)
GUISetState()
While 1
$msg = GUIGetMsg()
Select
Case $msg = $GUI_EVENT_CLOSE
ExitLoop
Case $msg = $read
$LV_Item_text = _GUICtrlListViewGetItemText($ListView, _GUICtrlListViewGetCurSel($ListView))
MsgBox(0, "Item text", $LV_Item_text)
Case $msg = $add
$inputRead = GUICtrlRead($input)
If Not $inputRead = "" Then GUICtrlCreateListViewItem($inputRead, $ListView)
EndSelect
WEnd
Всё это есть в справке
