using uCalcSoftware; var uc = new uCalc(); using (var t = new uCalc.Transformer()) { var myToken = t.Tokens.Add("###", TokenType.Generic); Console.Write("Initial Type: "); Console.WriteLine(myToken.TypeOfToken == TokenType.Generic); // Change the type myToken.TypeOfToken = TokenType.Reducible; Console.Write("New Type is Reducible: "); Console.WriteLine(myToken.TypeOfToken == TokenType.Reducible); }