Imports System
Imports System.IO
Class TestRW
Public Shared Sub Main()
Dim fs As New FileStream("MyFile.txt", FileMode.OpenOrCreate, FileAccess.Read)
If fs.CanRead And fs.CanWrite Then
Console.WriteLine("can be both written to and read from.")
Else
If fs.CanRead Then
Console.WriteLine("not writable.")
End If
End If
End Sub
End Class