C#

private void RegisterControlEvent()
{
  Control control = this.NamingContainer.FindControl(ControlTrigger);
  if (control == null) { return; }

  // returns the controls event name that we will try to add to ...
  string eventName = ControlCoverter.GetEventName(control);
  if (eventName == string.Empty) { return; }

  EventInfo ei = control.GetType().GetEvent(eventName);

  // find eventargs type and create event handler from generic handler
  ParameterInfo[] param = ei.GetAddMethod().GetParameters();
  Type type = null;
  foreach (ParameterInfo p in param)
  {
    type = p.Member.DeclaringType;

    // and this is where I am stumped
    // this will return the type like, System.Web.UI.WebControls.ImageMap
    //
    // I cannot find anything in the reflection namespace to get the types of the
    // parameters to the delegate that is 'p'
    // also how do I determine that p *is* a delegate to start with ??
  }
  if (type != null)
  {
    MethodInfo mi = this.GetType().GetMethod("GenericControl_TriggerEvent");
    MethodInfo constructed = mi.MakeGenericMethod(new Type[] { type });
    Delegate del = Delegate.CreateDelegate(ei.EventHandlerType, constructed);

    ei.AddEventHandler(control, del);
  }
}

public void GenericControl_TriggerEvent<T>(object sender, T e)
{
  .
  .
  .
}