System IO Isolatedstorage VB.Net by API

Imports System.IO.IsolatedStorage
Public Class Tester
    Public Shared Sub Main
        Dim myIsoStore As IsolatedStorageFile
        Try
            myIsoStore.CreateDirectory("oldDir")
            Dim myIsoStroeStream As New IsolatedStorageFileStream("oldDir/oldFile", IO.FileMode.Create.Create, myIsoStore)
            myIsoStroeStream.Close()
        
        
           myIsoStore.DeleteDirectory("oldDir")
           myIsoStore.DeleteFile("oldeDir/oldFile")
        Catch ex As IsolatedStorageException
            Console.WriteLine(ex.Message)
        End Try
    End Sub
End Class