Stop the execution of the VI Plugin

Hello Experts!

I wonder about an elegant solution for my problem. I have a top of page VI secondary container level, in order to call the VI plugin interfaces in. The plugin vi itself has own state machine (Machine State in queue of JKI) and called by VI Server - VI to run the method.

As the VI plugin begins to run, the state machine for the active loop and the VI plugin can be closed if put everything in a loop condition of true. It there is no problem with that, but imagine a situation when the user wants to exit the application when the two screws are running. (Plugin Interface and high level VI) The custom of the app stops because the loop high-level completed vi execution only.

I'm looking for an elegant solution to stop the plugin VI-s, without closing them normally. There are many topcics on opening Plugin screw (calling Dinamic) but stop them!

Thanks in advance!

All the methods to properly stop several screws top-level revolve around using the standard message for interprocess communication protocols.  They also assume a kind of State machine or order manager in each of the top level screws.  There are two broad categories - broadcast and point-to-point.

Dissemination methods send a message from a sender to multiple receivers, usually without waiting for an answer.  The best method of dissemination is probably defined by the user of events, but reporters are easier if you do not want that all processed messages.

Methods of point to point send a message from a sender to a receiver.  They are often both directions, call and response, messaging systems.  The best of them is the queue.

These methods and examples are included in a series live TV that I wrote some time back the performance level you can find all the entries from the links on the last.

All of this assumes your top-level screws are on the same computer running in the same process.  If you are running in different processes or on different computers, you will need to explore other protocols such as TCP/IP, network flow. or UDP to pass your messages.  However, I never did it, so can not comment coherently on this subject.

Tags: NI Software

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