#include <GUIConstantsEx.au3>
#include <GuiListView.au3>
#include <MsgBoxConstants.au3>

Example()

Func Example()
        GUICreate("ListView Get/Set Item Ex (v" & @AutoItVersion & ")S", 400, 300)
        Local $idListview = GUICtrlCreateListView("", 2, 2, 394, 268)
        GUISetState(@SW_SHOW)

        ; Set ANSI format
;~     _GUICtrlListView_SetUnicodeFormat($idListview, False)

        ; Add columns
        _GUICtrlListView_AddColumn($idListview, "Items", 100)

        ; Add items
        GUICtrlCreateListViewItem("Item 0", $idListview)
        GUICtrlCreateListViewItem("Item 1", $idListview)
        GUICtrlCreateListViewItem("Item 2", $idListview)

        ; Show item 1 raw state
        Local $tItem = DllStructCreate($tagLVITEM)
        DllStructSetData($tItem, "Mask", $LVIF_STATE)
        DllStructSetData($tItem, "Item", 1)
        DllStructSetData($tItem, "StateMask", -1)
        _GUICtrlListView_GetItemEx($idListview, $tItem)
        MsgBox($MB_SYSTEMMODAL, "Information", "Item 1 State: " & DllStructGetData($tItem, "State"))

        ; Change item 1
        MsgBox($MB_SYSTEMMODAL, "Information", "Changing item 1")
        Local $tText
        If _GUICtrlListView_GetUnicodeFormat($idListview) Then
                $tText = DllStructCreate("wchar Text[11]")
        Else
                $tText = DllStructCreate("char Text[11]")
        EndIf
        $tItem = DllStructCreate($tagLVITEM)
        DllStructSetData($tText, "Text", "New Item 1")
        DllStructSetData($tItem, "Mask", $LVIF_TEXT)
        DllStructSetData($tItem, "Item", 1)
        DllStructSetData($tItem, "Text", DllStructGetPtr($tText))
        _GUICtrlListView_SetItemEx($idListview, $tItem)

        ; Loop until the user exits.
        Do
        Until GUIGetMsg() = $GUI_EVENT_CLOSE
        GUIDelete()
EndFunc   ;==>Example