Prism: Please provide a PubSubEvent without a payload

[noufionline]

At times we just need to notify other view or viewmodel that something is done and there is no need to pass a payload. So I think it would be a good idea to have a PubSubEvent without a payload

[webwarrior06]

My vote is up for this. Your point is absolutely correct.

[bartlannoeye]

Personally I can't remember really needing a PubSubEvent without payload. I usually pass at least the Id of the object the event is used for (e.g. DownloadCompleted for request 9). Events without a payload are usually UI events and those I always handle with behaviors.

Let's see what the rest of the team thinks about it.

[brianlagunas]

I'll have to think about this. I also have never published an event without a payload (that I can remember). I'm not sure I'll put any effort into this anytime soon.

[allanrsmith]

We publish events with bool because we have to. It would be nice to not have to pass a payload. These are not only used for UI events. For example, a Refresh event is published that needs to go across ViewModels. I don't care about any particular payload.

[brianlagunas]

The amount of code churn that must be done in order to implement this may not be worth the time and effort.

[allanrsmith]

I'll have the PR done shortly.

[brianlagunas]

Even better :)

[noufionline]

Thanks webwarrior06 and especially allanrsmith for submitting the PR.

And as always Thanks Brian for your outstanding support.

[lock[bot]]

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