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<DIV=20
style=3D"BORDER-RIGHT: windowtext 0.5pt solid; PADDING-RIGHT: 5.4pt; =
BORDER-TOP: windowtext 0.5pt solid; PADDING-LEFT: 5.4pt; BACKGROUND: =
#e6e6e6; PADDING-BOTTOM: 4px; BORDER-LEFT: windowtext 0.5pt solid; =
WIDTH: 98%; PADDING-TOP: 4px; BORDER-BOTTOM: windowtext 0.5pt solid">
<DIV><IMG =
src=3D"http://www.cnblogs.com/Images/OutliningIndicators/None.gif"=20
align=3Dtop><SPAN style=3D"COLOR: #008000">//</SPAN><SPAN=20
style=3D"COLOR: =
#008000">&nbsp;Decorator&nbsp;pattern&nbsp;--&nbsp;Structural&nbsp;exampl=
e&nbsp;&nbsp;</SPAN><SPAN=20
style=3D"COLOR: #008000"><BR><IMG=20
src=3D"http://www.cnblogs.com/Images/OutliningIndicators/None.gif"=20
align=3Dtop></SPAN><SPAN style=3D"COLOR: #0000ff">using</SPAN><SPAN=20
style=3D"COLOR: #000000">&nbsp;System;<BR><IMG=20
src=3D"http://www.cnblogs.com/Images/OutliningIndicators/None.gif"=20
align=3Dtop><BR><IMG=20
src=3D"http://www.cnblogs.com/Images/OutliningIndicators/None.gif"=20
align=3Dtop></SPAN><SPAN style=3D"COLOR: #008000">//</SPAN><SPAN=20
style=3D"COLOR: #008000">&nbsp;"Component"</SPAN><SPAN=20
style=3D"COLOR: #008000"><BR><IMG=20
src=3D"http://www.cnblogs.com/Images/OutliningIndicators/None.gif"=20
align=3Dtop></SPAN><SPAN style=3D"COLOR: #0000ff">abstract</SPAN><SPAN=20
style=3D"COLOR: #000000">&nbsp;</SPAN><SPAN=20
style=3D"COLOR: #0000ff">class</SPAN><SPAN=20
style=3D"COLOR: #000000">&nbsp;Component<BR><IMG=20
id=3DCodehighlighter1_100_151_Open_Image=20
onclick=3D"this.style.display=3D'none'; =
Codehighlighter1_100_151_Open_Text.style.display=3D'none'; =
Codehighlighter1_100_151_Closed_Image.style.display=3D'inline'; =
Codehighlighter1_100_151_Closed_Text.style.display=3D'inline';"=20
src=3D"http://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockSta=
rt.gif"=20
align=3Dtop><IMG id=3DCodehighlighter1_100_151_Closed_Image =
style=3D"DISPLAY: none"=20
onclick=3D"this.style.display=3D'none'; =
Codehighlighter1_100_151_Closed_Text.style.display=3D'none'; =
Codehighlighter1_100_151_Open_Image.style.display=3D'inline'; =
Codehighlighter1_100_151_Open_Text.style.display=3D'inline';"=20
src=3D"http://www.cnblogs.com/Images/OutliningIndicators/ContractedBlock.=
gif"=20
align=3Dtop></SPAN><SPAN id=3DCodehighlighter1_100_151_Closed_Text=20
style=3D"BORDER-RIGHT: #808080 1px solid; BORDER-TOP: #808080 1px solid; =
DISPLAY: none; BORDER-LEFT: #808080 1px solid; BORDER-BOTTOM: #808080 =
1px solid; BACKGROUND-COLOR: #ffffff"><IMG=20
src=3D"http://www.cnblogs.com/Images/dot.gif"></SPAN><SPAN=20
id=3DCodehighlighter1_100_151_Open_Text><SPAN style=3D"COLOR: =
#000000">{<BR><IMG=20
src=3D"http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif"=20
align=3Dtop>&nbsp;&nbsp;</SPAN><SPAN style=3D"COLOR: =
#008000">//</SPAN><SPAN=20
style=3D"COLOR: #008000">&nbsp;Methods</SPAN><SPAN style=3D"COLOR: =
#008000"><BR><IMG=20
src=3D"http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif"=20
align=3Dtop></SPAN><SPAN style=3D"COLOR: =
#000000">&nbsp;&nbsp;</SPAN><SPAN=20
style=3D"COLOR: #0000ff">abstract</SPAN><SPAN=20
style=3D"COLOR: #000000">&nbsp;</SPAN><SPAN=20
style=3D"COLOR: #0000ff">public</SPAN><SPAN=20
style=3D"COLOR: #000000">&nbsp;</SPAN><SPAN=20
style=3D"COLOR: #0000ff">void</SPAN><SPAN=20
style=3D"COLOR: #000000">&nbsp;Operation();<BR><IMG=20
src=3D"http://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockEnd=
.gif"=20
align=3Dtop>}</SPAN></SPAN><SPAN style=3D"COLOR: #000000"><BR><IMG=20
src=3D"http://www.cnblogs.com/Images/OutliningIndicators/None.gif"=20
align=3Dtop><BR><IMG=20
src=3D"http://www.cnblogs.com/Images/OutliningIndicators/None.gif"=20
align=3Dtop></SPAN><SPAN style=3D"COLOR: #008000">//</SPAN><SPAN=20
style=3D"COLOR: #008000">&nbsp;"ConcreteComponent"</SPAN><SPAN=20
style=3D"COLOR: #008000"><BR><IMG=20
src=3D"http://www.cnblogs.com/Images/OutliningIndicators/None.gif"=20
align=3Dtop></SPAN><SPAN style=3D"COLOR: #0000ff">class</SPAN><SPAN=20
style=3D"COLOR: =
#000000">&nbsp;ConcreteComponent&nbsp;:&nbsp;Component<BR><IMG=20
id=3DCodehighlighter1_213_327_Open_Image=20
onclick=3D"this.style.display=3D'none'; =
Codehighlighter1_213_327_Open_Text.style.display=3D'none'; =
Codehighlighter1_213_327_Closed_Image.style.display=3D'inline'; =
Codehighlighter1_213_327_Closed_Text.style.display=3D'inline';"=20
src=3D"http://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockSta=
rt.gif"=20
align=3Dtop><IMG id=3DCodehighlighter1_213_327_Closed_Image =
style=3D"DISPLAY: none"=20
onclick=3D"this.style.display=3D'none'; =
Codehighlighter1_213_327_Closed_Text.style.display=3D'none'; =
Codehighlighter1_213_327_Open_Image.style.display=3D'inline'; =
Codehighlighter1_213_327_Open_Text.style.display=3D'inline';"=20
src=3D"http://www.cnblogs.com/Images/OutliningIndicators/ContractedBlock.=
gif"=20
align=3Dtop></SPAN><SPAN id=3DCodehighlighter1_213_327_Closed_Text=20
style=3D"BORDER-RIGHT: #808080 1px solid; BORDER-TOP: #808080 1px solid; =
DISPLAY: none; BORDER-LEFT: #808080 1px solid; BORDER-BOTTOM: #808080 =
1px solid; BACKGROUND-COLOR: #ffffff"><IMG=20
src=3D"http://www.cnblogs.com/Images/dot.gif"></SPAN><SPAN=20
id=3DCodehighlighter1_213_327_Open_Text><SPAN style=3D"COLOR: =
#000000">{<BR><IMG=20
src=3D"http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif"=20
align=3Dtop>&nbsp;&nbsp;</SPAN><SPAN style=3D"COLOR: =
#008000">//</SPAN><SPAN=20
style=3D"COLOR: #008000">&nbsp;Methods</SPAN><SPAN style=3D"COLOR: =
#008000"><BR><IMG=20
src=3D"http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif"=20
align=3Dtop></SPAN><SPAN style=3D"COLOR: =
#000000">&nbsp;&nbsp;</SPAN><SPAN=20
style=3D"COLOR: #0000ff">override</SPAN><SPAN=20
style=3D"COLOR: #000000">&nbsp;</SPAN><SPAN=20
style=3D"COLOR: #0000ff">public</SPAN><SPAN=20
style=3D"COLOR: #000000">&nbsp;</SPAN><SPAN=20
style=3D"COLOR: #0000ff">void</SPAN><SPAN=20
style=3D"COLOR: #000000">&nbsp;Operation()<BR><IMG=20
id=3DCodehighlighter1_265_325_Open_Image=20
onclick=3D"this.style.display=3D'none'; =
Codehighlighter1_265_325_Open_Text.style.display=3D'none'; =
Codehighlighter1_265_325_Closed_Image.style.display=3D'inline'; =
Codehighlighter1_265_325_Closed_Text.style.display=3D'inline';"=20
src=3D"http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlock=
Start.gif"=20
align=3Dtop><IMG id=3DCodehighlighter1_265_325_Closed_Image =
style=3D"DISPLAY: none"=20
onclick=3D"this.style.display=3D'none'; =
Codehighlighter1_265_325_Closed_Text.style.display=3D'none'; =
Codehighlighter1_265_325_Open_Image.style.display=3D'inline'; =
Codehighlighter1_265_325_Open_Text.style.display=3D'inline';"=20
src=3D"http://www.cnblogs.com/Images/OutliningIndicators/ContractedSubBlo=
ck.gif"=20
align=3Dtop>&nbsp;&nbsp;</SPAN><SPAN =
id=3DCodehighlighter1_265_325_Closed_Text=20
style=3D"BORDER-RIGHT: #808080 1px solid; BORDER-TOP: #808080 1px solid; =
DISPLAY: none; BORDER-LEFT: #808080 1px solid; BORDER-BOTTOM: #808080 =
1px solid; BACKGROUND-COLOR: #ffffff"><IMG=20
src=3D"http://www.cnblogs.com/Images/dot.gif"></SPAN><SPAN=20
id=3DCodehighlighter1_265_325_Open_Text><SPAN style=3D"COLOR: =
#000000">{<BR><IMG=20
src=3D"http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif"=20
align=3Dtop>&nbsp;&nbsp;&nbsp;&nbsp;Console.WriteLine(</SPAN><SPAN=20
style=3D"COLOR: #000000">"</SPAN><SPAN=20
style=3D"COLOR: #000000">ConcreteComponent.Operation()</SPAN><SPAN=20
style=3D"COLOR: #000000">"</SPAN><SPAN style=3D"COLOR: =
#000000">);<BR><IMG=20
src=3D"http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlock=
End.gif"=20
align=3Dtop>&nbsp;&nbsp;}</SPAN></SPAN><SPAN style=3D"COLOR: =
#000000"><BR><IMG=20
src=3D"http://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockEnd=
.gif"=20
align=3Dtop>}</SPAN></SPAN><SPAN style=3D"COLOR: #000000"><BR><IMG=20
src=3D"http://www.cnblogs.com/Images/OutliningIndicators/None.gif"=20
align=3Dtop><BR><IMG=20
src=3D"http://www.cnblogs.com/Images/OutliningIndicators/None.gif"=20
align=3Dtop></SPAN><SPAN style=3D"COLOR: #008000">//</SPAN><SPAN=20
style=3D"COLOR: #008000">&nbsp;"Decorator"</SPAN><SPAN=20
style=3D"COLOR: #008000"><BR><IMG=20
src=3D"http://www.cnblogs.com/Images/OutliningIndicators/None.gif"=20
align=3Dtop></SPAN><SPAN style=3D"COLOR: #0000ff">abstract</SPAN><SPAN=20
style=3D"COLOR: #000000">&nbsp;</SPAN><SPAN=20
style=3D"COLOR: #0000ff">class</SPAN><SPAN=20
style=3D"COLOR: #000000">&nbsp;Decorator&nbsp;:&nbsp;Component<BR><IMG=20
id=3DCodehighlighter1_382_634_Open_Image=20
onclick=3D"this.style.display=3D'none'; =
Codehighlighter1_382_634_Open_Text.style.display=3D'none'; =
Codehighlighter1_382_634_Closed_Image.style.display=3D'inline'; =
Codehighlighter1_382_634_Closed_Text.style.display=3D'inline';"=20
src=3D"http://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockSta=
rt.gif"=20
align=3Dtop><IMG id=3DCodehighlighter1_382_634_Closed_Image =
style=3D"DISPLAY: none"=20
onclick=3D"this.style.display=3D'none'; =
Codehighlighter1_382_634_Closed_Text.style.display=3D'none'; =
Codehighlighter1_382_634_Open_Image.style.display=3D'inline'; =
Codehighlighter1_382_634_Open_Text.style.display=3D'inline';"=20
src=3D"http://www.cnblogs.com/Images/OutliningIndicators/ContractedBlock.=
gif"=20
align=3Dtop></SPAN><SPAN id=3DCodehighlighter1_382_634_Closed_Text=20
style=3D"BORDER-RIGHT: #808080 1px solid; BORDER-TOP: #808080 1px solid; =
DISPLAY: none; BORDER-LEFT: #808080 1px solid; BORDER-BOTTOM: #808080 =
1px solid; BACKGROUND-COLOR: #ffffff"><IMG=20
src=3D"http://www.cnblogs.com/Images/dot.gif"></SPAN><SPAN=20
id=3DCodehighlighter1_382_634_Open_Text><SPAN style=3D"COLOR: =
#000000">{<BR><IMG=20
src=3D"http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif"=20
align=3Dtop>&nbsp;&nbsp;</SPAN><SPAN style=3D"COLOR: =
#008000">//</SPAN><SPAN=20
style=3D"COLOR: #008000">&nbsp;Fields</SPAN><SPAN style=3D"COLOR: =
#008000"><BR><IMG=20
src=3D"http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif"=20
align=3Dtop></SPAN><SPAN style=3D"COLOR: =
#000000">&nbsp;&nbsp;</SPAN><SPAN=20
style=3D"COLOR: #0000ff">protected</SPAN><SPAN=20
style=3D"COLOR: #000000">&nbsp;Component&nbsp;component;<BR><IMG=20
src=3D"http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif"=20
align=3Dtop><BR><IMG=20
src=3D"http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif"=20
align=3Dtop>&nbsp;&nbsp;</SPAN><SPAN style=3D"COLOR: =
#008000">//</SPAN><SPAN=20
style=3D"COLOR: #008000">&nbsp;Methods</SPAN><SPAN style=3D"COLOR: =
#008000"><BR><IMG=20
src=3D"http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif"=20
align=3Dtop></SPAN><SPAN style=3D"COLOR: =
#000000">&nbsp;&nbsp;</SPAN><SPAN=20
style=3D"COLOR: #0000ff">public</SPAN><SPAN=20
style=3D"COLOR: #000000">&nbsp;</SPAN><SPAN=20
style=3D"COLOR: #0000ff">void</SPAN><SPAN=20
style=3D"COLOR: =
#000000">&nbsp;SetComponent(&nbsp;Component&nbsp;component&nbsp;)<BR><IMG=
=20
id=3DCodehighlighter1_495_531_Open_Image=20
onclick=3D"this.style.display=3D'none'; =
Codehighlighter1_495_531_Open_Text.style.display=3D'none'; =
Codehighlighter1_495_531_Closed_Image.style.display=3D'inline'; =
Codehighlighter1_495_531_Closed_Text.style.display=3D'inline';"=20
src=3D"http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlock=
Start.gif"=20
align=3Dtop><IMG id=3DCodehighlighter1_495_531_Closed_Image =
style=3D"DISPLAY: none"=20
onclick=3D"this.style.display=3D'none'; =
Codehighlighter1_495_531_Closed_Text.style.display=3D'none'; =
Codehighlighter1_495_531_Open_Image.style.display=3D'inline'; =
Codehighlighter1_495_531_Open_Text.style.display=3D'inline';"=20
src=3D"http://www.cnblogs.com/Images/OutliningIndicators/ContractedSubBlo=
ck.gif"=20
align=3Dtop>&nbsp;&nbsp;</SPAN><SPAN =
id=3DCodehighlighter1_495_531_Closed_Text=20
style=3D"BORDER-RIGHT: #808080 1px solid; BORDER-TOP: #808080 1px solid; =
DISPLAY: none; BORDER-LEFT: #808080 1px solid; BORDER-BOTTOM: #808080 =
1px solid; BACKGROUND-COLOR: #ffffff"><IMG=20
src=3D"http://www.cnblogs.com/Images/dot.gif"></SPAN><SPAN=20
id=3DCodehighlighter1_495_531_Open_Text><SPAN style=3D"COLOR: =
#000000">{<BR><IMG=20
src=3D"http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif"=20
align=3Dtop>&nbsp;&nbsp;&nbsp;&nbsp;</SPAN><SPAN=20
style=3D"COLOR: #0000ff">this</SPAN><SPAN=20
style=3D"COLOR: #000000">.component&nbsp;</SPAN><SPAN=20
style=3D"COLOR: #000000">=3D</SPAN><SPAN=20
style=3D"COLOR: #000000">&nbsp;component;<BR><IMG=20
src=3D"http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlock=
End.gif"=20
align=3Dtop>&nbsp;&nbsp;}</SPAN></SPAN><SPAN style=3D"COLOR: =
#000000"><BR><IMG=20
src=3D"http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif"=20
align=3Dtop><BR><IMG=20
src=3D"http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif"=20
align=3Dtop>&nbsp;&nbsp;</SPAN><SPAN style=3D"COLOR: =
#0000ff">override</SPAN><SPAN=20
style=3D"COLOR: #000000">&nbsp;</SPAN><SPAN=20
style=3D"COLOR: #0000ff">public</SPAN><SPAN=20
style=3D"COLOR: #000000">&nbsp;</SPAN><SPAN=20
style=3D"COLOR: #0000ff">void</SPAN><SPAN=20
style=3D"COLOR: #000000">&nbsp;Operation()<BR><IMG=20
id=3DCodehighlighter1_571_632_Open_Image=20
onclick=3D"this.style.display=3D'none'; =
Codehighlighter1_571_632_Open_Text.style.display=3D'none'; =
Codehighlighter1_571_632_Closed_Image.style.display=3D'inline'; =
Codehighlighter1_571_632_Closed_Text.style.display=3D'inline';"=20
src=3D"http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlock=
Start.gif"=20
align=3Dtop><IMG id=3DCodehighlighter1_571_632_Closed_Image =
style=3D"DISPLAY: none"=20
onclick=3D"this.style.display=3D'none'; =
Codehighlighter1_571_632_Closed_Text.style.display=3D'none'; =
Codehighlighter1_571_632_Open_Image.style.display=3D'inline'; =
Codehighlighter1_571_632_Open_Text.style.display=3D'inline';"=20
src=3D"http://www.cnblogs.com/Images/OutliningIndicators/ContractedSubBlo=
ck.gif"=20
align=3Dtop>&nbsp;&nbsp;</SPAN><SPAN =
id=3DCodehighlighter1_571_632_Closed_Text=20
style=3D"BORDER-RIGHT: #808080 1px solid; BORDER-TOP: #808080 1px solid; =
DISPLAY: none; BORDER-LEFT: #808080 1px solid; BORDER-BOTTOM: #808080 =
1px solid; BACKGROUND-COLOR: #ffffff"><IMG=20
src=3D"http://www.cnblogs.com/Images/dot.gif"></SPAN><SPAN=20
id=3DCodehighlighter1_571_632_Open_Text><SPAN style=3D"COLOR: =
#000000">{<BR><IMG=20
src=3D"http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif"=20
align=3Dtop>&nbsp;&nbsp;&nbsp;&nbsp;</SPAN><SPAN=20
style=3D"COLOR: #0000ff">if</SPAN><SPAN=20
style=3D"COLOR: #000000">(&nbsp;component&nbsp;</SPAN><SPAN=20
style=3D"COLOR: #000000">!=3D</SPAN><SPAN style=3D"COLOR: =
#000000">&nbsp;</SPAN><SPAN=20
style=3D"COLOR: #0000ff">null</SPAN><SPAN style=3D"COLOR: =
#000000">&nbsp;)<BR><IMG=20
src=3D"http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif"=20
align=3Dtop>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;component.Operation();<BR=

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