Showing posts with label GC. Show all posts
Showing posts with label GC. Show all posts

Saturday, February 4, 2012

Optimizing INPC Objects against memory leaks using WeakEvents

Working with WPF has always been a fun. Dealing with animation and richness in UI to its optimum level often gives you an edge to present something to your client and to ensure that your client shouts with a "WOW!". The Wow factor of applications can give you high rank in the first place, but increases expectation from the software. It is practically very hard to maintain with this expectation as time progresses. The survival of the fittest chooses one which best suits to the problem.

One of the major problems that developers face today is the memory leaks in an applications. Often the software that is built looks great but does not follow basic guidelines to ensure that the application is not memory hungry or even there are no existing memory leaks.

Note : By memory leak we mean, some portion of memory is not reclaimed by the garbage collector even though the object is not in use. 

By this way, the memory usage of the application increases at a certain extent and finally crashes with the OutOfMemoryException. To detect a memory leak there exists a large number of tools of which some are free while others are used as commercial purposes. Most of these problems can be fixed by either using Disposable pattern ( IDisposable interface) or manually de - referencing each and every object that are not in use. Sometimes, this can be also done in destructor / finalizers in .net too (but remember using destructors lose GC cycle).

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