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using System;
public abstract class A
{
public abstract event EventHandler Finished;
public int count;
public A ()
{
}
public void test (A a)
{
a.Finished += TestA;
}
public void TestA (object sender, EventArgs e)
{
Console.WriteLine ("A test method.");
count += 3;
}
}
public class B : A
{
public override event EventHandler Finished;
public B ()
{
Finished += this.TestB;
this.test (this);
Finished (this, EventArgs.Empty);
}
public void TestB (object sender, EventArgs e)
{
Console.WriteLine ("B test method.");
count += 7;
}
public static int Main ()
{
return new B ().count - 10;
}
}
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