}//end of NoOption

        /// <summary>
        /// Rolls die through .PlayGame(), updates image, changes player, checks for wins
        /// Updates WhosTurnToLabel, updates textbox, enables groupbox.
        /// </summary>
        private void RollDice()
        {
            if (Pig_Double_Dice_Game.current_player == 1)
            {
                Pig_Double_Dice_Game.PlayGame();
                PictureBox.Image           = Images.GetDieImage(Pig_Double_Dice_Game.GetFaceValue(0));
                PictureBox2.Image          = Images.GetDieImage(Pig_Double_Dice_Game.GetFaceValue(1));
                PlayerOneTotalTextBox.Text = Pig_Double_Dice_Game.overall_points.ToString();
                if (Pig_Double_Dice_Game.did_roll_one == 1)
                {
                    MessageBox.Show("You have thrown a 1.\n Your turn is over!\n Your overall_points reverts to " + Pig_Double_Dice_Game.GetPointsTotal() + "!");
                    Pig_Double_Dice_Game.current_player = 2;
                    WhoseTurnToLabel.Text = "Player 2";
                    RollButton.Enabled    = true;
                }
                if (Pig_Double_Dice_Game.HasWon())
                {
                    MessageBox.Show("Player 1 has won!\n Well done!");
                    AnotherGameGroupBox.Enabled = true;
                }
            }
            else if (Pig_Double_Dice_Game.current_player == 2)
            {
                Pig_Double_Dice_Game.PlayGame();
                PictureBox.Image           = Images.GetDieImage(Pig_Double_Dice_Game.GetFaceValue(0));
                PictureBox2.Image          = Images.GetDieImage(Pig_Double_Dice_Game.GetFaceValue(1));
                PlayerTwoTotalTextBox.Text = Pig_Double_Dice_Game.overall_points.ToString();
                if (Pig_Double_Dice_Game.did_roll_one == 1)
                {
                    MessageBox.Show("You have thrown a 1.\n Your turn is over!\n Your overall_points reverts to " + Pig_Double_Dice_Game.GetPointsTotal() + "!");
                    Pig_Double_Dice_Game.current_player = 1;
                    WhoseTurnToLabel.Text             = "Player 1";
                    Pig_Double_Dice_Game.did_roll_one = 0;
                    RollButton.Enabled = true;
                }
                if (Pig_Double_Dice_Game.HasWon())
                {
                    MessageBox.Show("Player 2 has won!\n Well done!");
                    AnotherGameGroupBox.Enabled = true;
                }
            }
        }//end RollDice
 /// <summary>
 /// "Help" function that is called at the end of the timer, updates buttons according the game rules and links the GUI with the game logic library
 /// </summary>
 private void Roll()
 {
     HoldBtn.Enabled = true;      // Enabled the hold button once a die has been thrown
     if (Pig_Double_Dice_Game.PlayGame())
     {                            // If a 1 has been thrown
         HoldBtn.Enabled = false; // Disable the hold button
         UpdateForm();
         MessageBox.Show("Sorry you have thrown a 1.\nYour turn is over!\nYour score reverts to " + Pig_Double_Dice_Game.GetPointsTotal(Pig_Double_Dice_Game.GetNextPlayersName()));
     }
     else
     {
         UpdateForm();
         if (Pig_Double_Dice_Game.HasWon())
         { // If a player has won the game
             MessageBox.Show(Pig_Double_Dice_Game.GetThisPlayer() + " has won!\nWell done.");
             // Disable gameplay buttons until the user makes a choice whether to play again
             RollBtn.Enabled = false;
             HoldBtn.Enabled = false;
             // Enable the user to make a choice whether to play again
             GameTerminal.Enabled = true;
         }
     }
 }