/*public Card GetCard(int cardNum)
* {
* if (cardNum >= 0 && cardNum <= 51)
* return cards[cardNum];
* else
* throw (new System.ArgumentOutOfRangeException("cardNum",cardNum,"value must be between 0 and 51."));
* }*/
public void Shuffle()
{
//Card[] newDeck = new Card[52];
CardsCollection newDeck = new CardsCollection();
bool[] assigned = new bool[52];
Random sourceGen = new Random();
for (int i = 0; i < 52; i++)
{
//int destCard = 0;
int sourceCard = 0;
bool foundCard = false;
while (foundCard == false)
{
sourceCard = sourceGen.Next(52);//Next(x)----生成一个介于0~x之间的随机数。
if (assigned[sourceCard] == false)
{
foundCard = true;
}
}
assigned[sourceCard] = true;
//newDeck[destCard] = cards[i];
newDeck.Add(cards[sourceCard]);
}
newDeck.CopyTo(cards);
}
