What's a proper way to unsibscribe from events in c#?

Question

I have a model class with an event which I subscribe from other classes. I want to subscribe and un-subscribe in each class correctly.

• First I want to guarant

Answer 1

You can also control subscriptions and unsubsriptions with this declaration. But you also have to iterate through dictionary and call manually subscribed delegates.

    private Dictionary TestEvents { get; }

    public event EventHandler TestEvent
    {
        add
        {
            string name = value.GetType().FullName;
            if (!TestEvents.ContainsKey(name))
            {
                TestEvents.Add(name, value);
            }
        }
        remove
        {
            string name = value.GetType().FullName;
            if (TestEvents.ContainsKey(name))
            {
                TestEvents.Remove(name);
            }
        }
    }