Two problems with my first app

#include <GUIConstantsEx.au3>
#NoTrayIcon
Opt("TrayMenuMode", 1)
TraySetClick(16) ; Only click right 
TraySetIcon("shell32.dll", -28)
Local $About = TrayCreateItem("About")
Local $MenuSettings = TrayCreateItem("Settings")
Local $MenuShutdownExit = TrayCreateItem("Exit")
TraySetState()
While 1
    Local $msg = TrayGetMsg()
    Select
        Case $msg = 0
            ContinueLoop
        Case $msg = $About
            MsgBox(0, "About", "Create by 23r9i0")
            TrayItemSetState($About, $TRAY_UNCHECKED)
         Case $msg = $MenuSettings
            _GetSettings()
            TrayItemSetState($MenuSettings, $TRAY_UNCHECKED)
        Case $msg = $MenuShutdownExit
            Exit
    EndSelect
WEnd
Exit

Func _GetSettings()
    $GUISettings = GUICreate("Settings", 400, 300)
    $MenuSettings = GUICtrlCreateMenu("Menu")
    $MenuSettingsRestore = GUICtrlCreateMenuItem("Restore", $MenuSettings)
    $MenuSettingsExit = GUICtrlCreateMenuItem("Exit", $MenuSettings)
    GUISetBkColor(0xFFFFFF)
    $GUIGroupCheckboxes = GUICtrlCreateGroup("Active or Deactive Shourtcut", 20, 20, 360, 190)
    Local $Checkboxes[10][2]
    $Checkboxes[0][1] = "Abort"
    $Checkboxes[1][1] = "Boot Options"
    $Checkboxes[2][1] = "Hybrid Shutdown"
    $Checkboxes[3][1] = "Shutdown"
    $Checkboxes[4][1] = "Restart"
    $Checkboxes[5][1] = "Hibernate"
    $Checkboxes[6][1] = "Sleep"
    $Checkboxes[7][1] = "Switch User"
    $Checkboxes[8][1] = "Sign Out"
    $Checkboxes[9][1] = "Lock"
    $TopPosition = 50
    $LeftPosition = 40
    For $i = 0 To UBound($Checkboxes, 1) - 1
        $Checkboxes[$i][0] = GUICtrlCreateCheckbox($Checkboxes[$i][1], $LeftPosition, $TopPosition, 160, 20)
        $TopPosition += 30
        If $i > 3 Then
            $LeftPosition = 210
        EndIf
        If $i = 4 Then
            $TopPosition = 50
        EndIf
    Next
    GUICtrlCreateGroup("", -99, -99, 1, 1)
    $SaveButton = GUICtrlCreateButton("Save", 20, 230, 75, 30)
    $CancelButton = GUICtrlCreateButton("Cancel", 120, 230, 75, 30)
    $HelpButton = GUICtrlCreateButton("Help", 305, 230, 75, 30)
    GUISetState(@SW_SHOW, $GUISettings)

    While 1
        $GUIMsg = GUIGetMsg()
        Select
            Case $GUIMsg = $MenuSettingsRestore
               Exit; undefined options
            Case $GUIMsg = $MenuSettingsExit
                GUISetState( @SW_HIDE, $GUISettings )
            Case $GUIMsg = $SaveButton
                For $i = 0 To UBound($Checkboxes, 1) - 1
                    If BitAND(GUICtrlRead($Checkboxes[$i][0]), $GUI_CHECKED) = $GUI_CHECKED Then
                        RegWrite("HKEY_CURRENT_USER\Software\Menu Shutdown", $Checkboxes[$i][1], "REG_SZ", "1")
                    Else
                        RegWrite("HKEY_CURRENT_USER\Software\Menu Shutdown", $Checkboxes[$i][1], "REG_SZ", "0")
                    EndIf
                Next
                GUISetState( @SW_HIDE, $GUISettings )
            Case $GUIMsg = $CancelButton
                GUISetState( @SW_HIDE, $GUISettings )
            Case $GUIMsg = $HelpButton
                MsgBox(0, "Help", "test help")
     Case $GUIMsg = $GUI_EVENT_CLOSE
        GUIDelete( $GUISettings )
        EndSelect
    WEnd
EndFunc