[Code Review] Team 03 - Hw04

Form1.cs

namespace Hw4
{
    public partial class Form1 : Form
    {

        CardDeck Card = new CardDeck();
        public Form1()
        {
            InitializeComponent();
            Card.CreateDeck();
        }        
        private void btnchk_Click(object sender, EventArgs e)
        {
            if (chknormal.Checked)
            {
                txt_Print.AppendText("CheckBox按花色排列 已選定" + "\n");
                Card.ResetDeck();
                print_message();
            }
            if (chkrand.Checked)
            {
                txt_Print.AppendText("CheckBox亂數洗牌 已選定" + "\n");
                Card.ResetDeck();
                Card.Shuffle();
                print_message();
            }
            if (chkarrange.Checked)
            {
                txt_Print.AppendText("CheckBox按點數大小排列 已選定" + "\n");
                Card.Arrange();
                print_message();
            }
        }

        private void btncombo_Click(object sender, EventArgs e)
        {
            switch (cbox_3.SelectedIndex)
            {
                case 0:
                    txt_Print.AppendText("ComboBox按花色排列 已選定"+"\n");
                    Card.ResetDeck();
                    print_message();
                    break;
                case 1:
                    txt_Print.AppendText("ComboBox亂數洗牌 已選定" + "\n");
                     Card.ResetDeck();
                    Card.Shuffle();
                    print_message();
                    break;
                case 2:
                    txt_Print.AppendText("ComboBox按點數大小排列 已選定" + "\n");
                    Card.Arrange();
                    print_message();
                    break;
            }
        }

        private void print_message()
        {
            string message = "";
            for (int i=0; i <= 51; i++)
            {
                message += Card.Cards[i].SuitToUni() + Card.Cards[i].RankToStr() + "  ";
                if (((i + 1) % 13) == 0)
                {
                    message += "\n";
                }
            }
            MessageBox.Show(message);
        }      
    }
}

CardDeck.cs

namespace Hw4
{
    class CardDeck
    {
        public PokerCard[] Cards = new PokerCard[52];
        Random rand = new Random();

        public void CreateDeck()
        {
            for (int i = 0; i <= 51; i++)
            {
                Cards[i] = new PokerCard();
            }
        }//產生出52個PokerCard的物件

        public void ResetDeck()
        {
            for (int i = 0; i <= 51; i++)
            {
                Cards[i].Rank = (i % 13) + 1;
                Cards[i].Suit = (i / 13) + 3;
            }
        } //牌堆回復原始狀態


        public void Shuffle()
        {
            PokerCard Change = new PokerCard();
            for (int i = 0; i <= 51; i++)
            {    
                Change = Cards[i];
                int position = rand.Next(52);
                Cards[i] = Cards[position];
                Cards[position] = Change;
            }

        }//洗牌
        public void Arrange()
        { 
            for (int i = 0; i <= 51; i++)
            {
                Cards[i].Suit = (i%4) + 3;
                Cards[i].Rank = (i / 4) + 1;
            }
        }
    }
}

PokerCard.cs

namespace Hw4
{
    class PokerCard
    {
        public int Suit;  //花色
        public int Rank;  //點數
        public string RankToStr()
        {
            switch (Rank)
            {
                case 1:
                    return "A";                                   
                case 11:
                    return "J";
                case 12:
                    return "Q";
                case 13:
                    return "K";
                default:
                    return Convert.ToString(Rank);
            }
        }
        public string SuitToUni()
        {
            string Str_Suit;
            switch (Suit)
            {
                case 3:
                    Str_Suit = "\u2665";
                    break;
                case 4:
                    Str_Suit = "\u2666";
                    break;
                case 5:
                    Str_Suit = "\u2663";
                    break;
                default:
                    Str_Suit = "\u2660";
                    break;                    
            }
            return Str_Suit;
            
        }
    }
}