using System;

using System.Globalization; //Para o CultureInfo

public class Program

{

    public static void Main()

    {           

        //Setei a cultura para Português Brasil.

        CultureInfo cultura = new CultureInfo("en-US"); 

        CultureInfo culturaBR = new CultureInfo("pt-BR"); 

        decimal valor8 = decimal.Parse("63.73", System.Globalization.NumberStyles.Currency, cultura);

        Console.WriteLine(valor8);

        decimal valor9 = decimal.Parse("63,73", System.Globalization.NumberStyles.Currency, culturaBR);

        Console.WriteLine(valor9);

        string valor10 = valor8.ToString(culturaBR);

        Console.WriteLine(valor10);

        decimal valor11 = decimal.Parse("44463.7243", System.Globalization.NumberStyles.Currency, cultura);

        Console.WriteLine(valor11);

    }

}