GUI Inputbox auslesen Variable speichern

#include <ButtonConstants.au3>
#include <EditConstants.au3>
#include <GUIConstantsEx.au3>
#include <WindowsConstants.au3>
#include <IE.au3>
#Region ### START Koda GUI section ### Form=
$Form1 = GUICreate("Google ", 533, 26, 186, 179)
$Suche = GUICtrlCreateInput("Suche", 0, 0, 457, 21)
$Button1 = GUICtrlCreateButton("Suchen", 456, 0, 75, 25, $WS_GROUP)
;~ $inhalt = GUICtrlRead($Suche) <===================================== Von hier
GUISetState(@SW_SHOW)
Dim $Form1_AccelTable[1][2] = [["+{F12}", $Button1]]
GUISetAccelerators($Form1_AccelTable)
#EndRegion ### END Koda GUI section ###

While 1
$nMsg = GUIGetMsg()
Switch $nMsg
Case $GUI_EVENT_CLOSE
Exit

Case $Button1
$IE = _IECreate("http://www.google.de")
$Coll = _IEFormElementGetCollection($IE,0)
$Obj = _IEFormElementGetObjByName($Coll,"q")
_IEAction($Obj,"focus")
;~ send($inhalt)
$inhalt = GUICtrlRead($Suche) ; <========================= Nach hier!
$Obj = _IEFormElementGetObjByName($Coll,"btnG")
_IEAction($Obj,"focus")
send( "{ENTER}" )
EndSwitch
WEnd

#include <ButtonConstants.au3>
#include <EditConstants.au3>
#include <GUIConstantsEx.au3>
#include <WindowsConstants.au3>
#include <IE.au3>
#Region ### START Koda GUI section ### Form=
$Form1 = GUICreate("Google ", 533, 26, 186, 179)
$Suche = GUICtrlCreateInput("Suche", 0, 0, 457, 21)
$Button1 = GUICtrlCreateButton("Suchen", 456, 0, 75, 25, $WS_GROUP)
GUISetState(@SW_SHOW)
Dim $Form1_AccelTable[1][2] = [["+{F12}", $Button1]]
GUISetAccelerators($Form1_AccelTable)
#EndRegion ### END Koda GUI section ###

While 1
$nMsg = GUIGetMsg()
Switch $nMsg
Case $GUI_EVENT_CLOSE
Exit

Case $Button1
$oIE = _IECreate("http://www.google.de")
$oForm = _IEFormGetCollection($oIE,0) ; Formular-Objekt holen
$oSuchfeld = _IEFormElementGetObjByName($oForm,"q") ; Suchfeld-Objekt holen
_IEFormElementSetValue($oSuchfeld,GUICtrlRead($Suche)) ; Text in Suchfeld setzen
_IEFormSubmit($oForm) ; Formular abschicken
EndSwitch
WEnd