weakeventmanager

Why WeakEventManager does not fire an event when the sender is not the nominal?

由 匆匆过客 提交于 2019-12-10 16:58:53
问题 I don't like off-the-standard pattern, but I was making a quick test on my app, and I bumped against this strange behavior. Consider a normal class exposing an event, here the very common PropertyChanged, but I think could be any other. The subscriber chooses to subscribe the event via the WeakEventManager helper. Now, the "odd" thing is the actual sender reference: as long the instance is the same as was used on the subscription, everything goes fine. However, when you use another object, no

Example implementation of weak events using .NET's WeakEventManager

由 流过昼夜 提交于 2019-12-03 08:22:07
问题 Is there an example implementation of weak events using .NET's WeakEventManager? I'm trying to implement it by following the "Notes to Inheritors" in the documentation, but it is vague. For example, I can't figure out how to call ProtectedAddListener from my static AddListener function in my custom manager. 回答1: I figured it out on my own following the guidelines in the "Notes for Inheritors" section of the WeakEventManager documentation. Here's a basic implementation of WeakEventManager .

Example implementation of weak events using .NET's WeakEventManager

由 橙三吉。 提交于 2019-12-02 22:06:26
Is there an example implementation of weak events using .NET's WeakEventManager ? I'm trying to implement it by following the "Notes to Inheritors" in the documentation, but it is vague. For example, I can't figure out how to call ProtectedAddListener from my static AddListener function in my custom manager. M. Dudley I figured it out on my own following the guidelines in the "Notes for Inheritors" section of the WeakEventManager documentation. Here's a basic implementation of WeakEventManager . The class sourcing the event is named PropertyValue and the event is named Changed . public class
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