public Charactor GetCharactor(string symbol)
{
Charactor c = hashTable[symbol] as Charactor;
if (c == null)
{
switch (symbol.ToUpper())
{
case "A":
c = new CharactorA();
break;
case "B":
c = new CharactorB();
break;
case "C":
c = new CharactorC();
break;
default:
c = new CharactorA();
break;
}
hashTable.Add(symbol, c);
}
return(c);
}
public void Test()
{
CharactorFactory factory = new CharactorFactory();
// Charactor "A"
CharactorA ca = (CharactorA)factory.GetCharactor("A");
ca.SetPointSize(12);
ca.Display();
// Charactor "B"
CharactorB cb = (CharactorB)factory.GetCharactor("B");
cb.SetPointSize(10);
cb.Display();
// Charactor "C"
CharactorC cc = (CharactorC)factory.GetCharactor("C");
cc.SetPointSize(14);
cc.Display();
Console.ReadLine();
}