Imports System Imports uCalcSoftware Public Module Program Public Sub Main() Dim uc As New uCalc() Dim t = uc.NewTransformer() Dim myRule = t.FromTo("A", "B") '// Get the parent uCalc from the rule Dim parent_uc = myRule.uCalc '// Verify they are the same instance using their MemoryIndex Console.WriteLine(parent_uc.MemoryIndex = uc.MemoryIndex) End Sub End Module