[Help] AutoIt soll in bestimmtes Fenster senden

HotKeySet("{f2}", "start")
HotKeySet("{f3}", "stopp")
HotKeySet("{f10}", "exitit")

#include <ButtonConstants.au3>
#include <EditConstants.au3>
#include <GUIConstantsEx.au3>
#include <StaticConstants.au3>
#include <WindowsConstants.au3>

#Region ### START Koda GUI section ### Form=
$Form1_1 = GUICreate("Golles SpammBot", 333, 181, 203, 150, -1, BitOR($WS_EX_ACCEPTFILES,$WS_EX_WINDOWEDGE))
$Label1 = GUICtrlCreateLabel("Golle´s Spammb0t", 112, 160, 121, 17)
$Label2 = GUICtrlCreateLabel("F2 = Starten", 208, 16, 62, 17)
$Label3 = GUICtrlCreateLabel("F3 = Stoppen", 208, 32, 68, 17)
$Label4 = GUICtrlCreateLabel("F10 = Beenden", 208, 48, 77, 17)
$Label5 = GUICtrlCreateLabel("__FTW__", 208, 62, 100, 30)
$Label6 = GuiCtrlCreateLabel("Golle361-Copyright", 195, 100, 100, 50)
$Castzeit = GUICtrlCreateInput("Textcastzeit", 16, 104, 81, 21)
$Input1 = GUICtrlCreateInput("Hier dein Text", 16, 128, 81, 21)
$Button1 = GUICtrlCreateButton("Starten", 8, 16, 113, 25, $WS_BORDER)
GUICtrlSetFont(-1, 10, 400, 0, "NSimSun")
GUICtrlSetCursor (-1, 0)
$Button2 = GUICtrlCreateButton("Stoppen", 8, 40, 113, 25, 0)
$Button3 = GUICtrlCreateButton("Beenden", 192, 120, 113, 33, 0)
$Label5 = GUICtrlCreateLabel("1Sek.=1000", 8, 80, 90, 17)
$Menuitem1 = GUICtrlCreateMenu("&Golle")
$MenuItem2 = GUICtrlCreateMenu("Do what you need with->Golle-T00L´s<-")
GUISetState(@SW_SHOW)
#EndRegion ### END Koda GUI section ###

Func exitit()
Exit
EndFunc ;==>exitit

Func start()
$msg = $Button1


EndFunc ;==>start

GUISetState()

While 1
$msg = GUIGetMsg()
Select
Case $msg = $GUI_EVENT_CLOSE
Exit
Case $msg = $Button2
If $msg = $Button1 then ExitLoop
Case $msg = $Button1
While 1
Sleep(GUICtrlRead($Castzeit))
Send(GUICtrlRead($Input1))
Func stopp()
If $msg = $Button1 then ExitLoop
EndFunc
WEnd
Case $msg = $Button3
Exit
EndSelect
WEnd

ControlSend("Fenster","Fenstertext",ControlID,"String")

ControlSend("Lufia","","","{W}")