title: What's the best way to approach this simple TicTacToe exercise?
body: <p>Everything is working up to here, I just need to create the method that checks whether someone has won.</p>
  
  <p>Any suggestions on how to tackle this problem effectively?</p>
  
  <pre><code>using System;
  using System.Collections.Generic;
  using System.ComponentModel;
  using System.Data;
  using System.Drawing;
  using System.Linq;
  using System.Text;
  using System.Windows.Forms;
  
  namespace TresEnRaya
  {
      public partial class Form1 : Form
      {
          string[,] tablero;
          bool jugador = true;
  
          public Form1()
          {
              InitializeComponent();
              AsignarTags();
              tablero = new string[3, 3];
  
              button1.Click += clickHandler;
              button2.Click += clickHandler;
              button3.Click += clickHandler;
              button4.Click += clickHandler;
              button5.Click += clickHandler;
              button6.Click += clickHandler;
              button7.Click += clickHandler;
              button8.Click += clickHandler;
              button9.Click += clickHandler;
          }
  
          private void AsignarTags()
          {
              button1.Tag = new Posicion() { X = 0, Y = 0 };
              button2.Tag = new Posicion() { X = 0, Y = 1 };
              button3.Tag = new Posicion() { X = 0, Y = 2 };
              button4.Tag = new Posicion() { X = 1, Y = 0 };
              button5.Tag = new Posicion() { X = 1, Y = 1 };
              button6.Tag = new Posicion() { X = 1, Y = 2 };
              button7.Tag = new Posicion() { X = 2, Y = 0 };
              button8.Tag = new Posicion() { X = 2, Y = 1 };
              button9.Tag = new Posicion() { X = 2, Y = 2 };
          }
  
          private void CambiarSimbolo(Button button)
          {
              Posicion objPosicion = (Posicion)button.Tag;
  
              if (jugador == true)
              {
                  tablero[objPosicion.X, objPosicion.Y] = "X";
                  button.Text = "X";
                  button.Enabled = false;
                  jugador = false;
              }
              else
              {
                  tablero[objPosicion.X, objPosicion.Y] = "Y";
                  button.Text = "Y";
                  button.Enabled = false;
                  jugador = true;
              }
  
              VerificarGanador();
          }
  
          private void VerificarGanador()
          {
              //THE MAGIC GOES HERE. WINGARDIUM LEVIO-Sah
          }
  
          private void clickHandler(object sender, EventArgs e)
          {
              Button myButton = (Button)sender;
              switch (myButton.Name)
              {
                  case "button1":
                      CambiarSimbolo(myButton);                    
                      break;
  
                  case "button2":
                      CambiarSimbolo(myButton);
                      break;
  
                  case "button3":
                      CambiarSimbolo(myButton);
                      break;
  
                  case "button4":
                      CambiarSimbolo(myButton);
                      break;
  
                  case "button5":
                      CambiarSimbolo(myButton);
                      break;
  
                  case "button6":
                      CambiarSimbolo(myButton);
                      break;
  
                  case "button7":
                      CambiarSimbolo(myButton);
                      break;
  
                  case "button8":
                      CambiarSimbolo(myButton);
                      break;
  
                  case "button9":
                      CambiarSimbolo(myButton);
                      break;
              }
          }        
      }
  }
  </code></pre>
  
  <p>Thanks for the help.</p>