// C# Extension Method

// Doc: https://csharp-extension.com/en/method/1002289/decimal-todouble

​

// @nuget: Z.ExtensionMethods

​

using System;

public class Program

{

    static string formatter = "{0,30}{1,23}";

​

    public static void Display(Decimal val)

    {

        // C# Extension Method: Decimal - ToDouble

        var DoubleValue = val.ToDouble();

​

        Console.WriteLine(formatter, val, DoubleValue);

    }

​

    public static void Main()

    {

        Console.WriteLine(formatter, "Decimal value", "double");

        Console.WriteLine(formatter, "-------------", "------");

​

        // Convert decimal values and display the results.

        Display(0.0000000000000000000000000001M);

        Display(0.0000000000123456789123456789M);

        Display(123M);

        Display(new decimal(123000000, 0, 0, false, 6));

        Display(123456789.123456789M);

        Display(123456789123456789123456789M);

        Display(decimal.MinValue);

        Display(decimal.MaxValue);

    }

}