[Repost of question by Member 11200651] Getting the sum of a hand blackjack

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C#

I am creating a blackjack game and so far I have made a card class, deck class, shoe class. The card class works, the deck class works and the shoe class works but I am still working on my GetSum() method for my hand class. I need to call the SymbolToValue method to obtain the value for each card symbol and return the sum of the cards in the hand using the cardvalues array but I am not sure on how to iterate through the _hand.

Any help would be appreciated

Here is my hand class

class Hand
   {
       const Int32 MAX_CARDS = 12;
       private Card[] _hand = new Card[MAX_CARDS];
       private Int32 _cardCount;
       public Hand()
       {
           _cardCount = 0;
       }
       public Int32 CardCount
       {
           get
           {

               return _cardCount;
           }
       }
       public void AddCard(Card card)
       {

           if (_cardCount < MAX_CARDS)
           {
               throw new Exception("Cannot of more than 12 cards in a hand");
           }
           else
           {

               _cardCount++;
               card++;

           }
       }
       public Card GetCard(Int32 cardIndex)
       {
           if (cardIndex >= _cardCount)
           {
               throw new Exception("Invalid Entry");
           }
           else
           {
               return _hand[cardIndex];
           }
       }
       Int32[] cardValues = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10, 10, 10 };
       String[] cardSymbols = { "A", "2", "3", "4", "5", "6", "7", "8", "9", "10", "J", "Q", "K" };
       private Int32 SymbolToValue(String symbol)
       {
           int index = Array.IndexOf(cardSymbols, symbol);
           if (index != -1)
           {
               return cardValues[index];
           }
           else
           {
               throw new Exception("Value Not In Table");
           }
       }
      public Int32 GetSum()
       {
           String symbol;
           SymbolToValue(symbol) = cardValues;

       }
   }