Button funktioniert nicht / wird übergangen

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

AutoIt Version: 3.3.6.1
Author: myName

Script Function:
Template AutoIt script.

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


#include <GUIConstantsEx.au3>
#include <Misc.au3>

$MainGui = GUICreate("Input", 200, 200, 900, 250) ;==> MainGUI erstellen

$Label_GUI = GUICtrlCreateLabel ("Wieviele Angriffe?", 10, 10, 200, 20) ;==> Label in der MainGUI
$MainInput = GUICtrlCreateInput("", 10, 40, 180, 20) ;==> Input in der MainGUI
$MainButton = GUICtrlCreateButton("Open!", 10, 70, 180, 20) ;==> Button in der MainGUI


$MainGui = GUISetState() ;==> MainGUI sichtbar
while 1
$msg = GUIGetMsg()
Select

Case $msg = $MainButton
$read = GUICtrlRead($MainInput)

If $read = 1 Then
MsgBox(0, "1 Angriff?", "Ich glaube für einen Angriff brauchst du dieses Tool nicht", 3)

elseif $read = 2 Then

$GUI1 =GUICreate("Fenster" & $read , 280, 150, 10, 10)
$GUI1 = GUISetState()

$MainLabel =GUICtrlCreateLabel ("Zeit zwischen den Angriffen in Sekunden", 50, 10, 200, 20)
$label1 =GUICtrlCreateLabel("Angriff 1", 20, 40, 80, 20)
$input1 =GUICtrlCreateInput( "", 80, 40, 80, 20)
$label2 =GUICtrlCreateLabel("--> Angriff 2", 180, 40, 86, 20)
$Button_Start = GUICtrlCreateButton("Go!", 100, 120, 100, 20)

while 1
$msg =GUIGetMsg()
Switch $msg

Case $Button_Start
AutoItSetOption ( "WinTitleMatchMode" , 2 )
WinActivate("Internet Explorer")
sleep (4000)

senden2()
$Sleep = GUICtrlRead($Input1 * 1000)
senden1()
Exit
Case $msg = -3
Exit
EndSwitch
WEnd

elseif $read = 3 Then

$GUI2 =GUICreate("Fenster" & $read , 280, 180, 10, 10)
$GUI2 = GUISetState()

$MainLabel =GUICtrlCreateLabel ("Zeit zwischen den Angriffen in Sekunden", 50, 10, 200, 20)
$label1 =GUICtrlCreateLabel("Angriff 1", 20, 40, 80, 20)
$input1 =GUICtrlCreateInput( "", 100, 40, 100, 20)
$label1 =GUICtrlCreateLabel("Angriff 2", 20, 70, 80, 20)
$input1 =GUICtrlCreateInput( "", 100, 70, 100, 20)
$label1 =GUICtrlCreateLabel("Angriff 3", 20, 100, 80, 20)
$input1 =GUICtrlCreateInput( "", 100, 100, 100, 20)
$Button_Start = GUICtrlCreateButton("Go!", 100, 140, 100, 20)



ElseIf $read >4 Then
MsgBox(0, "In Work", "Mehr als 3 Angriffe bisher nicht möglich!", 2)
endif
case $msg = -3
Exit
EndSelect
WEnd



Func senden1()
send("{enter}")
send("{ctrldown}")
send("{Tab}")
send("{ctrlup}")
Sleep($Sleep)
endfunc

Func senden2()
send("{enter}")
send("{ctrldown}")
send("{Tab}")
send("{ctrlup}")
Sleep(1000)
endfunc