Must be in C#

class complex learned in class:

using System; // namespace containing ArgumentOutOfRangeException

public class Complex

{

private double rP; // real part

private double iP; // imaginary part

public void SetComplex(double r, double i)

{

rP = r;

iP = i;

}

public void add(Complex c1)

{

rP += c1.rP;

iP += c1.iP;

}

public void addTwo(Complex c1, Complex c2)

{

rP = c1.rP + c2.rP;

iP = c1.iP + c2.iP;

}

public void mul(Complex c1)

{

// use the formula (a+bj) * (c+dj) = (ac-bd) + (ad+bc)j

rP = rP * c1.rP - iP * c1.iP;

iP = rP * c1.iP + iP * c1.rP;

}

public void mulfix (Complex c1)

{

// use the formula (a+bj) * (c+dj) = (ac-bd) + (ad+bc)j

Complex ccopy = new Complex();

ccopy.rP = rP * c1.rP - iP * c1.iP;

ccopy.iP = rP * c1.iP + iP * c1.rP;

rP = ccopy.rP;

iP = ccopy.iP;

}

public void print()

{

Console.WriteLine("{0} + {1}j", rP, iP);

}

}

(1590) Complex class with GUI Enhance class complex with GUI. You will have GUI to input two complex numbers, calculate and display their sum, difference, product, product, and polar form. Also add GUI so that you can computer the powers of a complex number such as a lor a complex number a