How can I call the 'base implementation' of an overridden virtual method?

user_25457 0
Viewed 139151

Given the following code, is there a way I can call class A's version of method X?

class A
{
  virtual void X() { Console.WriteLine("x"); }
}

class B : A
{
  override void X() { Console.WriteLine("y"); }
}

class Program
{
  static void Main()
  {
    A b = new B();
    // Call A.X somehow, not B.X...
  }
oop c#
6 Answers

I konow it's history question now. But for other googlers: you could write something like this. But this requires change in base class what makes it useless with external libraries.

class A
{
  void protoX() { Console.WriteLine("x"); }
  virtual void X() { protoX(); }
}

class B : A
{
  override void X() { Console.WriteLine("y"); }
}

class Program
{
  static void Main()
  {
    A b = new B();
    // Call A.X somehow, not B.X...
    b.protoX();


  }
user_30454740
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