Expect call argument

TestCase 'TestUsingTypeMock.Test35.Topic260'
failed: TypeMock.VerifyException : 
TypeMock Verification: Call to TestUsingTypeMock.class2.start() Parameter: 1
    passed object [TestUsingTypeMock.class2+StartEventHandler] is not controlled by expected mock.

[Test]
public void Topic260()
{
    MockManager.Init();
    Mock mockClass2 = MockManager.MockAll(typeof(class2));

    class1 c1 = new class1();

    mockClass2.ExpectCall("start").Args(Check.CustomChecker(CheckEventHandlerPassed,c1));

    c1.doSomething();
    MockManager.Verify();
}
// Here we will check that the correct method is send
private bool CheckEventHandlerPassed(ParameterCheckerEventArgs e)
{
    Delegate d = (Delegate) e.ArgumentValue ;
    class1 c1 = (class1)e.ExpectedValue;
    if (object.ReferenceEquals(c1, d.Target) &&
        d.Method.Name == "startDoSomething")
    {
        return true;

    };
    return false;
}

[Test]
public void Topic260()
{
    MockManager.Init();
    Mock mockClass1 = MockManager.Mock(typeof(class1));
    mockClass1.ExpectCall("startDoSomething");

    class1 c1 = new class1();
    c1.doSomething();
    c1.MakeClass2ToFireEvent();

    // make sure out event was called once.
    MockManager.Verify();
}