public void Unregister(IComponentContainer cont)
{
ComponentContainer container = (ComponentContainer)cont;
foreach (IComponent component in container.Components)
{
component2Owner.Remove(component);
foreach (Type type in ComponentContainer.GetDerivedTypes(component))
{
componentType2ComponentInstances[type].Remove(component);
componentType2ContainerInstances[type].Remove(container);
}
}
container.ClearComponents();
containers.Remove(cont);
}