Italian Disattivare animazione pagina usando i moduli b4i

Page1.RootPanel.LoadLayout("Paginalog")
    Dim no As NativeObject = NavControl
    no.RunMethod("pushViewController:animated:", Array (Page1, False))

'Code module

Sub Process_Globals
    Private pg As Page
    Public txtName As TextField '<--- public
    Private btnEnter As Button
End Sub

Public Sub Show
    If pg.IsInitialized = False Then
      
        pg.Initialize("pg")
      
        pg.RootPanel.LoadLayout("LoginLayout")
    End If
    Main.NavControl.ShowPage(pg)
    Dim no As NativeObject = Main.NavControl
    no.RunMethod("pushViewController:animated:", Array (pg, False))
End Sub

Private Sub txtName_TextChanged (OldText As String, NewText As String)
    btnEnter.Enabled = NewText.Length > 0
End Sub

Private Sub btnEnter_Click
    pg.ResignFocus
    Page1Module.Show
End Sub

Application_Start
Error occurred on line: 18 (LoginModule)
Pushing the same view controller instance more than once is not supported (Page (vc): Login)
Stack Trace: (
  CoreFoundation       __exceptionPreprocess + 171
  libobjc.A.dylib      objc_exception_throw + 48
  UIKit                __71-[UINavigationController pushViewController:transition:forceImmediate:]_block_invoke + 0
  UIKit                -[UINavigationController pushViewController:animated:] + 792
  CoreFoundation       __invoking___ + 140
  CoreFoundation       -[NSInvocation invoke] + 320
  B4i Example          +[B4I runDynamicMethod:method:throwErrorIfMissing:args:] + 1672
  B4i Example          -[B4INativeObject RunMethod::] + 200
  B4i Example          -[b4i_loginmodule _show] + 1426
  B4i Example          -[b4i_main _application_start:] + 541
 CoreFoundation       __invoking___ + 140
 CoreFoundation       -[NSInvocation invoke] + 320
 B4i Example          +[B4I runDynamicMethod:method:throwErrorIfMissing:args:] + 1672
 B4i Example          -[B4IShell runMethod:] + 401
 B4i Example          -[B4IShell raiseEventImpl:method:args::] + 2361
 B4i Example          -[B4IShellBI raiseEvent:event:params:] + 1357
 B4i Example          __33-[B4I raiseUIEvent:event:params:]_block_invoke + 51
 libdispatch.dylib    _dispatch_call_block_and_release + 12
 libdispatch.dylib    _dispatch_client_callout + 8
 libdispatch.dylib    _dispatch_main_queue_callback_4CF + 1260
 CoreFoundation       __CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE__ + 9
 CoreFoundation       __CFRunLoopRun + 2402
 CoreFoundation       CFRunLoopRunSpecific + 409
 GraphicsServices     GSEventRunModal + 62
 UIKit                UIApplicationMain + 159
 B4i Example          main + 111
 libdyld.dylib        start + 1
)
Application_Active