How to define the operator ==

Question

Given the class as follows,

public class Number
{
  public int X { get; set; }
  public int Y { get; set; }
}

How to define an overload operato

Answer 1

public static bool operator ==(YourClassType a, YourClassType b)
{
    // do the comparison
}

More information here. In short:

• Any type that overloads operator == should also overload operator !=
• Any type that overloads operator == should also should override Equals
• It is recommended that any class that overrides Equals also override GetHashCode