Retrieve the index of the first visible item in a list
#Include <GuiList.au3>
_GUICtrlListGetTopIndex($h_listbox)
Parameters
$h_listbox | control id/control hWnd |
Return Value
The return value is the index of the first visible item in the list box.
Remarks
Initially the item with index 0 is at the top of the list box, but if
Related
_GUICtrlListSetTopIndex
Example
#include <GUIConstants.au3>
#include <GuiList.au3>
Opt ('MustDeclareVars', 1)
Dim $msg, $ret
Dim $listbox, $button, $label, $i
GUICreate("ListBox Get Top Index Demo", 400, 250, -1, -1)
$listbox = GUICtrlCreateList("", 125, 40, 180, 120)
GUICtrlSetData($listbox, "test1|more testing|even more testing|demo|test2|test3|test4|test5|test6|test7|test8|")
$button = GUICtrlCreateButton("Get Top Index", 150, 160, 120, 40)
$label = GUICtrlCreateLabel("Top Index:", 150, 210, 120)
GUISetState()
While 1
$msg = GUIGetMsg()
Select
Case $msg = $GUI_EVENT_CLOSE
ExitLoop
Case $msg = $button
$ret = _GUICtrlListGetTopIndex ($listbox)
If ($ret == $LB_ERR) Then
MsgBox(16, "Error", "Unknown error from _GUICtrlListGetTopIndex")
Else
GUICtrlSetData($label, "Top Index: " & $ret)
EndIf
EndSelect
WEnd