How to execute the functionality of button at a time of pressing if function is in continuous loop?

Question

Hello,
I am facing one basic problem that how can I execute the button which I have used in my vi at a time of pressing means in my vi I have used 4 button 1. Start 2. OK 3. Save and 4. Stop button
when user press start button then continuous loop will be executed and after pressing OK it will stop that loop and waiting for next instruction from user whether he want to do reading operation again or he want to save or he want to stop.
The thing is when I press start button then while loop is execute then its not possible to press stop button or save button, user need to wait until OK button is pressed.
Will you please guide me how can I do so that when ever user press any button that button is executed at time.
Thank you very much once again.
Attachments:
voltageforcecapacitance without instrument.vi ‏40 KB

Answer 1

Hi Ankit,
There are some issue in your code mention below please have a look and correct these will work fine for your requirement.
1. Save button Boolean value pass to the lower wheel conditional loop means if you press save your bottom loop will stop working this is not the code requirement you have to continue loop and tigger start event in last using value tigger event property to tigger again start event.
       This step will reset your loop and start from zero.
2. According to me I think both loop should stop only in stop condition so you can remove stop function from upper loop and pass the button value in both loop directly to wheel loop condition terminal.
       Upper loop direct and lower both loop local variable.
3. Why you want to stop your upper loop on any error condition, you should Handel the errors and keep running the code.
4. What is the use of queue no case related with dequeue in bottom loop.
5. Wheel loop in a event is not  good practice so you can use your queue structure here to run continuous lower code.
I hope these changes can improve your code.
Thanks and Regards
Himanshu Goyal | LabVIEW Engineer- Power System Automation
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