There is (see the GoF book or <a href="http://en.wikipedia.org/wiki/Decorator_pattern">Wikipedia</a>) a Design Pattern called "Decorator". It might provide a viable solution to your needs.<br><br>-W<br><br><br><br>
<br><div class="gmail_quote">On 15 February 2011 09:41, delete <span dir="ltr"><<a href="mailto:boyun.yuriy@gmail.com">boyun.yuriy@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
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Thanks for help<br>
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