// C# Extension Method

// Doc: https://csharp-extension.com/en/method/1002285/decimal-negate

​

// @nuget: Z.ExtensionMethods

​

using System;

public class Program

{

    const string dataFmt = "{0,31}  {1,10}";

​

    public static void Display(Decimal val)

    {

        // C# Extension Method: Decimal - Negate

        Console.WriteLine(dataFmt,val, val.Negate());

    }

​

    public static void Main()

    {

        Console.WriteLine(dataFmt, "Original Value", "Negate");

        // Create pairs of decimal objects.

        Display(0M);

        Display(-1M);

        Display(new decimal(1230000000, 0, 0, false, 7));

        Display(0.0012300M);

        Display(10.0012300M);

    }

}