How Can I Force Garbage Collection in C#?

Explicitly Triggering Garbage Collection in C#

A common interview question involves forcing garbage collection in C#. While generally discouraged, understanding how to do this is valuable. This article explains the method, emphasizing that direct GC calls are usually unnecessary.

The Solution:

To manually initiate garbage collection, use this code:

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

GC.Collect() directly invokes the garbage collector. Crucially, GC.WaitForPendingFinalizers() must follow to guarantee the execution of all pending finalization operations.

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