Retrieve the index of the first visible item in a list
#include <GuiListBox.au3>
_GUICtrlListBox_GetTopIndex ( $hWnd )
| $hWnd | Control ID/Handle to the control |
#include <GUIConstantsEx.au3>
#include <GuiListBox.au3>
#include <MsgBoxConstants.au3>
Example()
Func Example()
; Create GUI
GUICreate("List Box Get/Set Top Index (v" & @AutoItVersion & ")", 400, 296)
Local $idListBox = GUICtrlCreateList("", 2, 2, 396, 296)
GUISetState(@SW_SHOW)
; Add strings
_GUICtrlListBox_BeginUpdate($idListBox)
Local $sText
For $iI = 0 To 100
$sText = StringFormat("%03d : Random string ", $iI)
For $iX = 1 To Random(1, 20, 1)
$sText &= Chr(Random(65, 90, 1))
Next
_GUICtrlListBox_AddString($idListBox, $sText)
Next
_GUICtrlListBox_EndUpdate($idListBox)
; Show top index
MsgBox($MB_SYSTEMMODAL, "Information", "Top Index: " & _GUICtrlListBox_GetTopIndex($idListBox))
; Set top index
_GUICtrlListBox_SetTopIndex($idListBox, 50)
; Show top index
MsgBox($MB_SYSTEMMODAL, "Information", "Top Index: " & _GUICtrlListBox_GetTopIndex($idListBox))
; Loop until the user exits.
Do
Until GUIGetMsg() = $GUI_EVENT_CLOSE
GUIDelete()
EndFunc ;==>Example