Does the garbage collector collect clear objects that are subscribed to events?

Question

If I do the following:

public class Test
{
    public static void Main()
    {
        List<Person> persons = new List<Person> { new Person() };

        persons[0].Sneezing += new EventHandler(Person_Sneezing);

        persons = null;
    }

    public static void Person_Sneezing(object sender, EventArgs e)
    {
        (sender as Person).CoverFace();
    }
}

Is the person who was personally [0] still exists in memory because the Sneezing delegate has a reference to the Person_Sneezing method or is he going to get a GC?

Answer 1

This will be collected by GC. For storage in memory, an object must directly or indirectly refer to ...

• Value on the stack
• Value set in strong GC knob
• A corner case or two that I don't think about right now

This does not apply to an object in individuals [0]. Therefore, it will be assembled.

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Answer 2

; , . , :

public class Test
{
    public void HookupStuff()
    {
        List<Person> persons = new List<Person> { new Person() };

        this.EventHappened += new EventHandler(persons[0].SomeMethod);
        // persons[0].Sneezing += new EventHandler(Person_Sneezing);

        persons = null;
    }
}

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Answer 3

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