using System;
public sealed class ComplexNumber
{
public ComplexNumber( double real, double imaginary ) {
this.real = real;
this.imaginary = imaginary;
}
private readonly double real;
private readonly double imaginary;
}
public sealed class MainClass
{
static void Main() {
ComplexNumber num1 = new ComplexNumber( 1.12345678, 2.12345678 );
string str = (string) Convert.ChangeType( num1, typeof(string) );
}
}