Essential C# 6.0

B. Tic-Tac-Toe Source Code Listing

LISTING B.1: Tic-Tac-Toe

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  #define CSHARP2  using System;  #pragma warning disable 1030 // Disable user-defined warnings  // The TicTacToe class enables two players to  // play tic-tac-toe.  class TicTacToeGame      // Declares the TicTacToeGame class.  {    static void Main()  // Declares the entry point to the program.    {        // Stores locations each player has moved.        int[ ] playerPositions = { 0, 0 };        // Initially set the currentPlayer to Player 1.        int currentPlayer = 1;        // Winning player.        int winner = 0;        string input = null;        // Display the board and prompt the current player        // for his next move.        for (int