Problem with List View

Code:

  Sub Button4_Click
Activity.LoadLayout("2nd")

    ListView1.Initialize("ListView1")

Activity.AddView(ListView1, 0, 0, 100%x, 70%y)

    ListView1 = File.ListFiles(File.DirInternal)

    Panel1.Visible = False
    Panel3.Visible = True
End Sub  

Above are my list view coding. What it was supposed to do is to show me other page that consist of the list view of the files that I have had in my saved files when I click the button. However, when I clicked it, there's...

Problem with List View

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