Can't change Hotkey from F9 to F11 in au3 - Please Help!

#region ;**** Directives created by AutoIt3Wrapper_GUI ****
#AutoIt3Wrapper_Icon=foobar.ico
#AutoIt3Wrapper_UseX64=n
#AutoIt3Wrapper_Res_Language=1033
#AutoIt3Wrapper_Res_requestedExecutionLevel=asInvoker
#AutoIt3Wrapper_Run_Tidy=y
#endregion ;**** Directives created by AutoIt3Wrapper_GUI ****
#include


#include


#include
#include


; ============================================================================ ;


; Changing this to True will make the script start foobar200 itself, and exit when it closes.
; Otherwise the script will stay running indefinitely, monitoring for foobar2000 whenever it starts.
Global Const $startFoobar2000 = True


Global $pidFoobar2000 = 0
Global $wndFoobar2000 = 0
Global $wndSavedPosition


Global Const $FullscreenRect[2] = [ _
_WinAPI_GetSystemMetrics($SM_CXSCREEN), _
_WinAPI_GetSystemMetrics($SM_CYSCREEN) _
]


Func ToggleFullscreen()
Global $wndFoobar2000, $wndSavedPosition
Local Const $stylesToRemove = BitOR($WS_CAPTION, $WS_BORDER, $WS_SIZEBOX)


If Not WinExists($wndFoobar2000) Then Return


Local $wndStyle = _WinAPI_GetWindowLong($wndFoobar2000, $GWL_STYLE)
If @error Then Return


If BitAND($wndStyle, $stylesToRemove) <> 0 Then
$wndSavedPosition = WinGetPos($wndFoobar2000)


$wndStyle = BitAND($wndStyle, BitNOT($stylesToRemove))
_WinAPI_SetWindowLong($wndFoobar2000, $GWL_STYLE, $wndStyle)


_WinAPI_SetWindowPos($wndFoobar2000, $HWND_TOPMOST, _
0, 0, _
0, 0, _
BitOR($SWP_NOCOPYBITS, $SWP_FRAMECHANGED, $SWP_NOMOVE, $SWP_NOSIZE))


_WinAPI_SetWindowPos($wndFoobar2000, 0, _
0, 0, _
$FullscreenRect[0], $FullscreenRect[1], _
BitOR($SWP_NOCOPYBITS, $SWP_FRAMECHANGED, $SWP_NOZORDER))
Else
$wndStyle = BitOR($wndStyle, $stylesToRemove)
_WinAPI_SetWindowLong($wndFoobar2000, $GWL_STYLE, $wndStyle)


_WinAPI_SetWindowPos($wndFoobar2000, $HWND_NOTOPMOST, _
0, 0, _
0, 0, _
BitOR($SWP_NOCOPYBITS, $SWP_FRAMECHANGED, $SWP_NOMOVE, $SWP_NOSIZE))


If UBound($wndSavedPosition, 1) >= 4 Then
_WinAPI_SetWindowPos($wndFoobar2000, 0, _
$wndSavedPosition[0], $wndSavedPosition[1], _
$wndSavedPosition[2], $wndSavedPosition[3], _
BitOR($SWP_NOCOPYBITS, $SWP_FRAMECHANGED, $SWP_NOZORDER))
EndIf
EndIf
EndFunc ;==>ToggleFullscreen


Func GetFoobar2000Window()
Local $allWindows = _WinAPI_EnumWindowsTop()
If @error Then Return 0


Local $wndAlt = 0
For $i = 1 To $allWindows[0][0]
Local $hwnd = $allWindows[$i][0], $pidWindow
If _WinAPI_GetWindowThreadProcessId($hwnd, $pidWindow) And $pidWindow == $pidFoobar2000 Then
; This is a hackish way to try and detect foobar2000's main window.
; It should have a maximize button, or at least the corresponding style!
If (BitAND(_WinAPI_GetWindowLong($hwnd, $GWL_STYLE), $WS_MAXIMIZEBOX)) Then
Return $hwnd
ElseIf Not $wndAlt And StringInStr(_WinAPI_GetWindowText($hwnd), "foobar2000") Then
$wndAlt = $hwnd
EndIf
EndIf
Next


; No window found with the semi-reliable method. Just return one with 'foobar2000' in the title.
Return $wndAlt
EndFunc ;==>GetFoobar2000Window


If $startFoobar2000 Then
$pidFoobar2000 = Run(StringFormat('"%s/%s" %s', @ScriptDir, "foobar2000.exe", _Iif(@Compiled, $CmdLineRaw, "")))
If @error Then
MsgBox($MB_ICONHAND, "foobar2000 Full-screen", "Error: failed to start foobar2000.exe. Make sure this script is placed in foobar2000's folder.")
Exit 1
EndIf


If _Singleton("foobar2000_fullscreen", 1) == 0 Then
Exit 1
EndIf
ElseIf _Singleton("foobar2000_fullscreen", 1) == 0 Then
Exit 1
EndIf


HotKeySet("{F9}", "ToggleFullscreen")


While True
If Not ProcessExists($pidFoobar2000) Then
If Not $startFoobar2000 Then
$pidFoobar2000 = ProcessWait("foobar2000.exe")
Else
Exit
EndIf
EndIf


If Not WinExists($wndFoobar2000) Then
$wndFoobar2000 = GetFoobar2000Window()
If Not $wndFoobar2000 Then
Sleep(1000)
ContinueLoop
EndIf
EndIf


Sleep(200)
WEnd