public Chars GetChar(string str)
{
var chars = charFactory[str] as Chars;
if (chars == null)
{
switch (str)
{
case "A":chars = new CharA();break;
case "B":chars = new CharB(); break;
}
charFactory.Add(str, chars);
}
return chars;
}
public FlyweightPattern()
{
CharFactory charFactory=new CharFactory();
var ca = charFactory.GetChar("A");
ca.SetSize(10);
ca.Write();
CharB cb1 = (CharB)charFactory.GetChar("B");
cb1.SetSize(12);
cb1.Write();
CharB cb2 = (CharB)charFactory.GetChar("B");
cb2.SetSize(12);
cb2.Write();
Console.WriteLine(object.ReferenceEquals(cb1, cb2));
CharB cb3 = new CharB();
cb3.SetSize(12);
Console.WriteLine(object.ReferenceEquals(cb1, cb3));
}