Linked by Eugenia Loli on Sun 22nd Apr 2007 07:43 UTC
.NET (dotGNU too) All too often, source code spends a lot of time on basic housekeeping, monitoring the state of many objects. This is wasteful, and with C# it is unnecessary. Software expert Stephen Morris shows how C# provides a range of callback mechanisms that obviate the need for polling objects for state information.
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RE[3]: It is a shame
by Matzon on Sun 22nd Apr 2007 16:37 UTC in reply to "RE[2]: It is a shame"
Matzon
Member since:
2005-07-06

The Observer pattern is one of the most used patterns (except maybe for Singleton). It's easy to implement and use - and to understand!
You might want to read the following book, which should be in every OO programmers library:
Design Patterns: Elements of Reusable Object-Oriented Software

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