Can I Force Garbage Collection in C#?

Manually Triggering Garbage Collection in C#

A common question during interviews focuses on the possibility of forcing garbage collection in C#. While generally discouraged, there are situations where direct intervention might be necessary.

The following code snippet demonstrates how to explicitly initiate garbage collection:

<code class="language-csharp">GC.Collect();
GC.WaitForPendingFinalizers();</code>

Simply calling GC.Collect() is insufficient. GC.WaitForPendingFinalizers() is essential to ensure all pending finalizers complete before your code resumes. Finalizers might hold resources preventing garbage collection until their execution. Therefore, both calls are necessary for a complete cleanup.

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