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1
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• http//www.devbg.org/patternscourse/

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stephan.zaharievatgmail.com
NearSoft Europe www.nearsoft.ch
2
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• ?????? ???????? ?? ????? C
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• ?????? ???????? ?? UML (???? ????????)

3
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4
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• ?????? ? ??? ???? ????????? (Decorator)

5
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• Component
• ????? ????, ??????????? ??? ?????????
• BorderWrapper
• ???????, ????? ????????? ?????
• ScrollWrapper
• ???????, ????? ????????? ??????????
• TextView
• ????????? ??????? ????????

9
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abstract class Component public abstract
void Draw() class TextView Component
public override void Draw()
Console.WriteLine("TextView.Draw()")
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10
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class ScrollDecorator Component private
Component decoratedComponent public
ScrollDecorator(Component component)
decoratedComponent component
public override void Draw()
Console.WriteLine("ScrollDecorator.Draw()")
decoratedComponent.Draw()
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class BorderDecorator Component private
Component decoratedComponent public
BorderDecorator(Component component)
decoratedComponent component
public override void Draw()
Console.WriteLine("BorderDecorator.Draw()")
decoratedComponent.Draw()
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static void Main(string args) TextView
text new TextView() ScrollDecorator scroll
new ScrollDecorator(text)
BorderDecorator border new
BorderDecorator(scroll) Component component
border component.Draw() ???????? Bord
erDecorator.Draw() ScrollDecorator.Draw() TextView
.Draw()
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14
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15
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16
??????? (Wrapper)

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17
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18
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• ???? ????, ?????? ????, ???? ???????, ????
  ????????, ??????? ?? ??????, ????????, 2005, ISBN
  954-685-352-6
• ?????? ??????, UML. ??????, ????????, 2004, ISDN
  954-685-306-2