iOS Question Modal question

Private Sub Application_Start (Nav As NavigationController)
   NavControl = Nav
   Page1.Initialize("Page1")
   Page1.Title = "StatApp Soccer"
   Page1.RootPanel.Color = Colors.White
  
   App.IdleTimerDisabled = True
  
   Page1.RootPanel.LoadLayout("InputForm")
   NavControl.ShowPage(Page1)
   Dim homeawaylist As List
   homeawaylist.Initialize
   homeawaylist.add("Home")
   homeawaylist.Add("Away")
   homeawaylist.Add("Neutral")
   ListHomeAway.SetItems(0,homeawaylist)
     
  check_Goalkeepers
  check_Opponents
   End Sub

Sub check_Goalkeepers
   Dim MyPath As String = File.DirDocuments
   Dim Data As Map
  
   If File.Exists(MyPath, "Goalkeepers.txt") = False Then
       Goalkeepers.show
   Else
       Msgbox2("msgRG", "Delete goalkeeper file?", "Delete?", Array ("Yes","No"))
   End If
  
End Sub

Sub check_Opponents
   Dim MyPath As String = File.DirDocuments
  
   If File.Exists(MyPath, "Opponents.txt") = False Then
       Opponents.show
   Else
       Msgbox2("msgRO", "Delete Opponent file?", "Delete?", Array ("Yes","No"))
   End If
      
End Sub
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