wegen Combobox mal eine kleine frage

#cs ----------------------------------------------------------------------------

AutoIt Version: 3.3.6.1
Author: myName

Script Function:
Template AutoIt script.

#ce ----------------------------------------------------------------------------

; Script Start - Add your code below here
#include <WindowsConstants.au3>

#include <GUIConstantsEx.au3>
#include <GuiComboBoxEx.au3>
#include <GuiImageList.au3>
#include <GuiListView.au3>
#include <inet.au3>

Dim $INI[1]
$INI[0] = @ScriptDir & "\icon.dll"

Local $StartLang = 'Deutsch', $aLanguage, $iLanguage
$Lang = "Germany|Englisch|Schwedische|Switzerland|France|Italienisch";
$aLanguage = StringSplit($Lang, '|')
For $i = 1 To $aLanguage[0]
If $StartLang = $aLanguage[$i] Then $iLanguage = $i - 1
Next

#Region ### START Koda GUI section ### Form=
$Test = GUICreate("Test", 368, 110, 192, 124)
$Combo1 = _GUICtrlComboBoxEx_Create($Test, "", 8, 40, 265, 100, $CBS_DROPDOWNLIST)
If FileExists($INI[0]) Then
$hImage = _GUIImageList_Create(16, 16, 5, 3)
_GUIImageList_AddIcon($hImage, $INI[0], 1, True)
_GUIImageList_AddIcon($hImage, $INI[0], 5, True)
_GUIImageList_AddIcon($hImage, $INI[0], 4, True)
_GUIImageList_AddIcon($hImage, $INI[0], 3, True)
_GUIImageList_AddIcon($hImage, $INI[0], 0, True)
_GUIImageList_AddIcon($hImage, $INI[0], 2, True)
_GUICtrlComboBoxEx_SetImageList($Combo1, $hImage)
EndIf
_GUICtrlComboBoxEx_SetItemHeight($Combo1, 0, 25)
For $i = 1 To $aLanguage[0]
_GUICtrlComboBoxEx_AddString($Combo1, $aLanguage[$i], $i - 1, $i - 1)
Next
_GUICtrlComboBoxEx_SetCurSel($Combo1, $iLanguage)
GUICtrlSetFont(-1, 8, 800, 0, "MS Sans Serif")

$Button1 = GUICtrlCreateButton("Button1", 280, 40, 75, 25)
GUISetState(@SW_SHOW)
#EndRegion ### END Koda GUI section ###
GUIRegisterMsg($WM_COMMAND, "WM_COMMAND")
While 1
$nMsg = GUIGetMsg()
Switch $nMsg
Case $GUI_EVENT_CLOSE
Exit
#cs
If Not _GUICtrlComboBoxEx_GetDroppedState($Combo1) Then
If _GUICtrlComboBoxEx_GetCurSel($Combo1) <> $iLanguage Then
$iLanguage = _GUICtrlComboBoxEx_GetCurSel($Combo1)

EndIf
EndIf
#ce

Case $Button1
$Laender = _GUICtrlComboBoxEx_GetCurSel($Combo1)
_GUICtrlComboBoxEx_GetItemText($Combo1, $Laender, $Laender)
MsgBox(0, "", $Laender)
EndSwitch

WEnd
Func WM_COMMAND($hWnd, $iMsg, $iwParam, $ilParam)
#forceref $hWnd, $iMsg
Local $hWndFrom, $iIDFrom, $iCode
$hWndFrom = $ilParam
$iIDFrom = BitAND($iwParam, 0xFFFF) ; Low Word
$iCode = BitShift($iwParam, 16) ; Hi Word
Switch $hWndFrom
Case $Combo1
Switch $iCode

Case $CBN_SELCHANGE ; Sent when the user changes the current selection in the list box of a combo box
$Laender = _GUICtrlComboBoxEx_GetCurSel($Combo1)
_GUICtrlComboBoxEx_GetItemText($Combo1, $Laender, $Laender)
MsgBox(0, "", $Laender)
EndSwitch
EndSwitch
Return $GUI_RUNDEFMSG
EndFunc ;==>WM_COMMAND