#include <ButtonConstants.au3>
#include <GUIConstantsEx.au3>
#include <WindowsConstants.au3>
#Region ### START Koda GUI section ### Form=
$Form1 = GUICreate("Form1", 351, 275, 193, 125)
$Button1 = GUICtrlCreateButton("2. Gui aufrufen", 8, 8, 331, 105, 0)
$Button2 = GUICtrlCreateButton("Uhrzeit anzeigen", 7, 128, 331, 105, 0)
GUISetState(@SW_SHOW)
#EndRegion ### END Koda GUI section ###
Func start()
sleep(100)
EndFunc
While 1
$nMsg = GUIGetMsg()
Switch $nMsg
Case $GUI_EVENT_CLOSE
Exit
Case $Button1
GUI()
Case $Button2
MsgBox(0, "", @Hour & ":" & @MIN & ":" & @SEC)
EndSwitch
WEnd
Func GUI()
GUICtrlSetState($Form1, @SW_HIDE)
#Region ### START Koda GUI section ### Form=
$Form2 = GUICreate("Form1", 324, 246, 193, 125)
$Button1 = GUICtrlCreateButton("Zurück zur 1. Gui", 8, 176, 307, 65, 0)
$Label1 = GUICtrlCreateLabel("TEST", 136, 64, 44, 20)
GUICtrlSetFont(-1, 10, 800, 0, "MS Sans Serif")
GUISetState(@SW_SHOW)
#EndRegion ### END Koda GUI section ###
While 1
$nMsg = GUIGetMsg()
Switch $nMsg
Case $GUI_EVENT_CLOSE
Exit
Case $Button1
GUIDelete($Form2)
start()
EndSwitch
WEnd
EndFunc
hoffe jemand kann helfen