#include <GUIConstantsEx.au3>
#include <GuiListBox.au3>
#include <MsgBoxConstants.au3>
#include <WindowsConstants.au3>

Example()

Func Example()
    Local $idListBox

    ; Cr�e une GUI
    GUICreate("List Box Update HScroll", 400, 296)
    $idListBox = GUICtrlCreateList("", 2, 2, 396, 296, BitOR($LBS_NOTIFY, $LBS_SORT, $WS_HSCROLL, $WS_VSCROLL))
    GUISetState(@SW_SHOW)

    ; Ajoute une longue cha�ne
    _GUICtrlListBox_AddString($idListBox, "AutoIt v3 is a freeware BASIC-like scripting language designed for automating the Windows GUI.")

    ; Affiche l'�tendue horizontale actuelle
    MsgBox($MB_SYSTEMMODAL, "Information", "Horizontal Extent: " & _GUICtrlListBox_GetHorizontalExtent($idListBox))

    ; Ajuste la barre de d�filement horizontale
    _GUICtrlListBox_UpdateHScroll($idListBox)

    ; Affiche l'�tendue horizontale actuelle
    MsgBox($MB_SYSTEMMODAL, "Information", "Horizontal Extent: " & _GUICtrlListBox_GetHorizontalExtent($idListBox))

    ; Boucle jusqu'� ce que l'utilisateur quitte.
    Do
    Until GUIGetMsg() = $GUI_EVENT_CLOSE
    GUIDelete()
EndFunc   ;==>Example