需要C#代码的说明

问题描述

提供2个班级:

Given 2 classes:

public class SomePublisher
{
public event EventHandler SomeEvent;
}

public class SomeSubscriber
{
public static int Count;

public SomeSubscriber(SomePublisher publisher)
{
publisher.SomeEvent += new EventHandler(publisher_SomeEvent);
}

~SomeSubscriber()
{
SomeSubscriber.Count++;
}

private void publisher_SomeEvent(object sender, EventArgs e)
{
// TODO: something
}
}

执行以下操作后将显示什么以及原因:

What would be printed after executing the following and why:

SomePublisher publisher = new SomePublisher();

for (int i = 0; i < 10; i++)
{
SomeSubscriber subscriber = new SomeSubscriber(publisher);
subscriber = null;
}

GC.Collect();
GC.WaitForPendingFinalizers();

Console.WriteLine(SomeSubscriber.Count.ToString());

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