Подписаться на событие загруженной Assembly

public event EventHandler RestartNeededEvent;
 
public Form1()
{
    InitializeComponent();
}
private void button1_Click(object sender, System.EventArgs e)
{
        FireRestartNeededEvent();
    MessageBox.Show("Рас-рас....");
}
public void FireRestartNeededEvent()
{
        EventHandler handler = RestartNeededEvent;
        if (handler != null)
            handler(this, null);
}

public event EventHandler RestartNeeded;
public void Initialize()
{
    AssemblyContent = Assembly.LoadFrom(AssemblyPath);
    if (AssemblyContent != null)
    {                
        Type typeContent = AssemblyContent.GetType(ClassName); //ClassName - класс формы в сборке, сейчас это просто "Form1"
        object o = Activator.CreateInstance(typeContent);
        try
        {
               WireUp(o, "RestartNeededEvent", "FireRestartEvent");
 
               o.GetType().InvokeMember("Main", BindingFlags.Public |
                        BindingFlags.InvokeMethod | BindingFlags.Static, null, null, null);
        }
        catch (Exception e)
        {
        }
    }
}
void WireUp(object o, string eventname, string methodname)
{
    EventInfo ei = o.GetType().GetEvent(eventname);
    MethodInfo mi = this.GetType().GetMethod(methodname, BindingFlags.Public | BindingFlags.Instance | BindingFlags.NonPublic);
    EventHandler del = (EventHandler)Delegate.CreateDelegate(ei.EventHandlerType, this, mi);
    ei.AddEventHandler(o, del);
}
 
public void FireRestartEvent(object sender, EventArgs e)
{
    EventHandler handler = RestartNeeded;
    if (handler != null)
         handler(this, null);
}