Public Class Class1
 
    Public Shared SharedVar As String = "Test" ' Esta la podrás leer
    Public Var As String = "Test"' Esta no la podrás leer
 
End Class

Imports WindowsApplication1.Class1
 
Public Class Form1
    Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load
        MsgBox(SharedVar) ' String: "Test"
        MsgBox(Var) ' Exception: Reference to a non-shared member requires an object reference
    End Sub
End Class