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I'm trying to make sure instances of a certain class get released, by using console.WriteLine() in the destructor, but the output never shows up.
I have carefully searched for any lingering references, as well as event subscriptions and not finding any. Just for my own sanity, and before I continue my search, can someone confirm that:
GC.Collect();
GC.WaitForPendingFinalizers();
Will force a complete reclaim, no matter how small the objects are?
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It performs a blocking garbage collection of all generations. All objects, regardless of how long they have been in memory, are considered for collection; however, objects that are referenced in managed code are not collected. Use this method to force the system to try to reclaim the maximum amount of available memory.
Suspends the current thread until the thread that is processing the queue of finalizers has emptied that queue. public: static void WaitForPendingFinalizers();
If you have code in your finalizers, it's possible that you will need to call GC. Collect() twice, as the first time will cause the finalizers to execute, but the actual memory cannot be cleaned until after the finalizer has completed, which means the subsequent call will catch the object.
2 Answers. Show activity on this post. Calling GC. Collect() will do a complete garbage collection and wait for it to finish, but it will NOT wait for any pending finalizers to run.
In general, this should clean up most things.
However, if you have code in your finalizers, it's possible that you will need to call GC.Collect() twice, as the first time will cause the finalizers to execute, but the actual memory cannot be cleaned until after the finalizer has completed, which means the subsequent call will catch the object.
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