public static void Main() { Console.Write("Perimeter: "); double perim = double.Parse(Console.ReadLine()); Console.Write("Area : "); double area = double.Parse(Console.ReadLine()); double a = 1, b = -perim / 2, c = area; //instantiating a COM imported class activates the corresponding //COM object and returns its runtime callable wrapper which handles //forwarding of managed calls to that COM object QuadraticEquationClass eqn = new QuadraticEquationClass(); if (eqn.HasRealRoots(a, b, c) != 0) { double r1, r2; eqn.Solve(a, b, c, out r1, out r2); Console.WriteLine("Dimensions: {0}, {1}", r1, r2); } else { Console.WriteLine("No such rectangle!"); } }
public static void Main() { Console.Write("Perimeter: "); double perim = double.Parse(Console.ReadLine()); Console.Write("Area : "); double area = double.Parse(Console.ReadLine()); double a = 1, b = -perim / 2, c = area; var qe = new QuadraticEquationClass(); //produces a RCW for activated COM object which dispatches calls to that object if (qe.HasRealRoots(a, b, c) != 0) { double r1, r2; qe.Solve(a, b, c, out r1, out r2); Console.WriteLine($"Dimensions = {r1}, {r2}"); } else { Console.WriteLine("No such rectangle!"); } }