Can you move back to a previous frame in a sequence structure?

I have a VI that contains a sequence structure with seven frames. I would like to add a button on the front panel to allow the user to move back to the previous frame. Is this possible?
Thanks

I don't think that's possible. Try replacing the sequence structure with a
state machine.
A state machine is a case statement embedded in a while loop. Each case
outputs at least an integer to indicate the next case to be executed and a
boolean to indicate if the while loop should continue. The integer is wired
to a shift register. The input side of the shift register is wired inside
the while loop to the conditional terminal of the case statement. Outside
of the while loop, the input side of the shift register would be wired to a
constant indicating the first case to be executed.
To mimic a sequence structure, each case would take the incoming integer and
increment it by one. To move back to the previous frame, the integer would
be decremented instead.
"Jeff - PP
L" wrote in message
news:[email protected]..
> I have a VI that contains a sequence structure with seven frames. I
> would like to add a button on the front panel to allow the user to
> move back to the previous frame. Is this possible?
>
> Thanks

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Move back and forth between frames in a sequence.

I am developing a program that is a sequence with many frames (40 so far). In each frame there is a VI that I have created. Each of these VIs has an input terminal to which I wire a string constant that asks the user a question or gives the user a command. There are either one or two output terminals on these VIs. When there are two output terminals. The VI will feature two LEDs that signify either a true or false outcome. When there is one terminal, there is only one LED that signifies that the user has read and understands the command or instructions that were given. Their are basically three types of VIs:
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Don't use a sequence structure. You cannot move backwards to a previous sequence. Instead, use a state machine. Search for examples in Labview. Basically, a state machine is a case structure with some variable containing the next state wired to its input selector terminal. Each of your frames can be put into a case. Your code can decide which is the next case to call. A queue is excellent for holding the next case to be called. See the attached example for a Queued State Machine.
- tbob
Inventor of the WORM Global
Attachments:
QueuedStateMachine.vi ‏69 KB

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# Question
Ever since I got the "new & improved" Firefox, I have had all kinds of problems the latest of which has left me without toolbars. How can I get back to the previous version? edit
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Can you move back to a previous frame in a sequence structure?

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