GUICtrlSetTip macht Probleme

#include <EditConstants.au3>
#include <GUIConstantsEx.au3>
#Region ### START Koda GUI section ### Form=
$Form1 = GUICreate("Form1", 409, 247, 192, 124)
GUICtrlSetTip (-1,"Form")
$Input1 = GUICtrlCreateInput("Input1", 8, 8, 121, 21)
GUICtrlSetTip (-1,"Input1")
$Input2 = GUICtrlCreateInput("Input2", 264, 144, 121, 21,$ES_READONLY)
GUICtrlSetTip (-1,"Input2")
;~ GUICtrlSetState (-1,$GUI_DISABLE)
$Button1 = GUICtrlCreateButton("Button1", 136, 8, 75, 25)
GUICtrlSetTip (-1,"Button1")
$Edit1 = GUICtrlCreateEdit("", 8, 40, 185, 89)
GUICtrlSetData(-1, "Edit1")
GUICtrlSetTip (-1,"Edit1")
$Group1 = GUICtrlCreateGroup("Group1", 216, 8, 185, 105)
GUICtrlSetTip (-1,"Group1")
GUICtrlCreateGroup("", -99, -99, 1, 1)
$List1 = GUICtrlCreateList("", 8, 136, 121, 97)
GUICtrlSetTip (-1,"List")
$Pic1 = GUICtrlCreatePic("", 144, 136, 100, 100)
GUICtrlSetTip (-1,"Pic")
GUISetState(@SW_SHOW)
#EndRegion ### END Koda GUI section ###

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

EndSwitch
WEnd