Menu selection didnt respond

Hello all..
I got a problems when i select the menu (acquire data), the program like being stuck. What my mistake? Can anyone help me?
thanz all
Solved!
Go to Solution.
Attachments:
1.vi ‏14 KB

I removed the while loop from the subvi and now you'll see that the acquire button gets the value from the sub VI.
On another note, all your controls 'No of TU' etc are in the sub VI. How do you intend to change/input values in them?
Can you click on the 'Kudos' button beside a reply if you want to say thanks.
Cheers
Attachments:
Copy of test.vi ‏17 KB
1-modified.vi ‏14 KB

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Handling menu selection in multi states of states machine

Hi everyone,
My application uses states machine architecture, I have to handle menu selection in two different states and the 2nd of them has to be handled by the event case structure.
The problem is that when I use event structure in the 1st state it is also handled later by the event case in the 2nd state and it is impossible to handle menu selection in the 1st state by the "Get Menu Selection" block because according to it's descripton if event structure is configured to handle the same menu as item as this block, LabVIEW ignores this function.
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Thanks for respond.
Here's a code explaining the main idea.
Attachments:
Untitled 1.vi ‏9 KB
Enum_States.ctl ‏5 KB

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1.Open Disk Utility, located in Applications/Utilities, and select the startup disk in the left column.
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Get menu selection help

Hi I am new to the Labview world and am having a bit of an issue with the get menu selection vi. I opened an example (Queued Message Handler.vi) and basically copied that get menu selection setup in my vi. Yet all i get for menu selections are null strings. I have tried to set the get menu selection timeout to -1 then selecting a menu item. I still get a null string from it so I know it isn't some timing issue. I have attached a copy of my vi. The runtime menu I was using was just File with an exit option. There are a couple sub vi's that i made that are required to run Queue.vi but they arent really needed to see what I am doing. Thanks for any help in advance.
Attachments:
Queue.vi ‏59 KB

Hi Superseadragon,
I recommend you to use an event-driven state machine desing pattern that combines a queued state machine and event structure into a hybrid single-loop design pattern.
I made an example with your code but as I don't have your set up I put in commentary all the communication function.
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Attachments:
SuperSeaDragon.zip ‏135 KB

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Hi,
I'm using LabVIEW 8.5 base version (no event handling). I have created a custom RTM (Run-Time Menu) and use the Get Menu Selection vi wired to a Case structure to handle all the items. (Part of the handling it to put a check mark next to the selected menu item and clearing the check mark from all other items using the Set Menu Item Info vi. Too bad it doesn't do that automatically. Maybe it does in newer versions, but I digress.)
My application can save and recall setups. When I recall a setup I would like to programmatically call the respective Case, as is done by the Get Menu Selection vi, even though the menu is not actually clicked by the user. I cannot find a way to do this. Is is possible?
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Solved!
Go to Solution.

Edjsch wrote:
Thank you for your reply. It looks like there is no convenient way to "simulate" a Windows "event" with the base version. Duh!
I'd take that a step further and say there is no convenient way to write software without the event structure. I don't know how people write code without it. This limitation has been removed and the event structure comes with all versions of LabVIEW as of 2012.
As for my virtual keyboard trick, here is a better one I didn't get a chance to check the link previously.
https://decibel.ni.com/content/docs/DOC-15310
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Edjsch wrote:
Note that in the Get Menu Selection vi's Case structure, I had to actually clear each check mark and set the one for the current selection, since the RTM does not handle check marks automatically, as, for example, Visual Basic does. Again, maybe newer versions do.
They do not, you are welcome to make an idea exchange for it, but I'm fine with toggling that bit myself. But then again I can't think of a time when clicking on a checked item, shouldn't uncheck it so I can see your point.
Edjsch wrote:
Let me know if anyone would like to see screen shots of that area of my block diagram.
Never post screenshots.
When posting code post the actual code not a screenshot. You wouldn't take a screenshot of a text file and post it on a text language forum. Upload the actual VI, or zip several files and upload the zip. The exception to this rule is when uploading a VI Snippet. This is an image with the VI embedded in it, so the source is still intact.
Unofficial Forum Rules and Guidelines - Hooovahh - LabVIEW Overlord
If 10 out of 10 experts in any field say something is bad, you should probably take their opinion seriously.

I am using the "Menu Selection With Events.vi" example alongside other while loops, When I select exit from the new menu it stops the other while loops but not the menu/event while loop

The event driven menu example works fine and I've integrated it into my application. I have built in simple local vars to link menu selections to existing GUI buttons. The problem is that I cannot get the File-Exit menu option to switch off/terminate the application. The [1] "Stop": Value Change panel of the event structure simply switches off the other while loops but leaves the event while loop running. Add a while loop to the axample using a local var from the event while loop to terminate 2nd while loop to get the effect.
Help appreciated, Chris

Attached you will find a modified version of your VI.
I documented what I did on the block diagram.You were right on you just needed to add a variable with a true wired to it.
Have fun with it.
Joe
Joe.
"NOTHING IS EVER EASY"
Attachments:
Menu_Selection_with_Events_%26_while_loop[1].vi ‏76 KB

Menu selection didnt respond

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