Kind of a strange one here. In my program I have a popup dialog that asks for a work order number and you can either scan it using a barcode reader or type it in and then the program stops and turns a process station boolean true. That part works as expected. The problem is that if I type in text (but not hit enter) and press the cancel button the boolean still goes true. But if I turn on highlighting the program works fine. The reason I want to do this is that if an operator starts typing in a work order and then decides to hit the cancel button the boolean goes false so I do not process the station. I am thinking it has to do with LabVIEW processing the text box before the cancel button. But the cancel button had to be pushed to start processing the text. But with the diagram highlighted it must do things different than regular runtime. So I do not know how to get around this. I have tried a few different ways and even with event structures, but could not get the boolean false if there is any text in the box when I press cancel.

Try something along these lines. (Silly snippets I need to go get the CCT Again.... While I'm doing that try the attached)

LabVIEW

Text issues

Solved!

Author

Thanks for the starting point Jeff.

I found why I was having problems scanning alphanumeric barcodes. Since the barcode letters were capitalized, it would enter a shift character before each letter. And the Char value for that is 0, just like shift, enter and return. So I was able to use the scancode value to pick up the return at the end of the barcode and it seems to be working better.

I also noticed that if the caps lock was on the scanner would not enter the shift before each letter. I was going to try and set the caps lock to on automatically, but the scancode value seems to be working so far.