Negate a complex number in CSharp

//from   w w  w.ja v a 2  s.  c  om
using System;
using System.Numerics;

public class Example
{
   public static void Main()
   {
      Complex[] values= { Complex.One, new Complex(-3.3, -1.8) };
      foreach (Complex c1 in values)
         Console.WriteLine("{0} --> {1}", c1, Complex.Negate(c1));
   }
}