Version OpenGL en SFML

Main.cpp

#include <SFML\Graphics.hpp>
#include <iostream>

using namespace std;

int main()
{
 //Creo mi ventana
 sf::RenderWindow window(sf::VideoMode(640 , 480), "Version OpenGL en SFML");
 window.setFramerateLimit(60);

 sf::ContextSettings settings = window.getSettings();
 cout << "Version OpenGL: " << settings.majorVersion << "." << settings.minorVersion << endl;

 //GameLoop
 while (window.isOpen())
 {
  window.clear();

  //Eventos
  sf::Event event;

  //Se manejan los eventos
  while (window.pollEvent(event))
  {
   //Creo una sentencia switch para controlar muchos eventos
   switch (event.type)
   {

   //Cierra la ventana
   case sf :: Event::EventType::Closed:
    window.close();
    break;

   default:
    break;
   }
  }

  window.display();
 }

 return 0;
}