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ID: 23834, Observer and Progress design patterns

by Hannes de Jager Email: Anonymous

Seperate you Progressbar GUI code from the functional code: Abstract classes/interfaces and example program for using Observer Design pattern and Progress design pattern.
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For C++Builder, Version 1.0  to 6.0 482 downloads
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Updated on Tue, 08 Nov 2005 14:33:30 GMT
Originally uploaded on Tue, 08 Nov 2005 14:14:29 GMT
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In this example we use the abstract interfaces to seperate our progress update code from the GUI counterparts like progress bars...

We get implementations like TProgressWithBar, TProgressWithLabel, TProgressWithStatusbar etc.. Its really up to your imagination...

We also use the observer design pattern and let the main form observe the progress of an operation. The main form then updates the progress bar... Other forms may also observe this status at the same time... play around with it and give me your comments.

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