event without user data

I'm just starting using custom user events.  It seems simple to create one, but it seems that the purpose of block diagram "Create User Event" rather presumptiously assume that I must have some data related to the event.  Sometimes we do, of course, but other times, he simply need to know that the event took place.

I think it is stupid enough to create me a bunch of kinds of dummy data for events that don't require data.  Is there a way to do this?

Thank you.

You never know when you might want to spend data, or perhaps spend more data than you already are.  So in my creations I usually have a variant empty as the default data, but have this variant be a def type.  In this way in the future if I have a few settings I want I can update the type definition (it is a Variant) with the actual data, I'm worried.  Or even to pass data in the variant as a variant attributes.  Maybe I want to say my exit command to have a timeout on kill some other tasks, or maybe I mean my exit make a taskkill, or who knows.  And if this variant attributes aren't there then just exit as usual.  My point is in the future can I want to send some data types as well as the command to do things.

There were times in the past when I throught "I will never need to send any additional data.  Like once I sent an order to a caller VI to close a floating window and insert it into a secondary.  Then I realized that I might want to send a command to shoot VI on the secondary and make it float so I added a Boolean value.  True means that shoot out, False means put in.  Then I realized if I want to order the window position and size of a walk.  Finally I did it in a type definition, but in this case I should have done this from the beginning.

Tags: NI Software

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