Keyboard and a chain of control to the screen

I feel a strange behaviour when I use the keyboard (OSK) and a chain of control on the screen.

I develop an application that you can use the OSK to enter some data on a touch screen with no physical keyboard. I have a Machine to States Event-Driven set up at the key event to the bottom when a word/characters are entered and the user presses the Enter key on the OSK. I noticed that if I probe the wire wuen Vcle I press the Enter key on the OSK, it appears like a back press. Not much, I thought, just to see if the Enter key is pressed and continue on.

When I went to test my program, I noticed that my values were as if nothing has been entered. Digging a little further, I noticed that my original data are still there if I press the BACKSPACE and delete the return order. Probe string wire in the control of the chain indicates that the value comes back as an empty string in my control channel even if my entire string is physically still there. I can press the BACKSPACE (remove the carriage return) and see my original text. What, in my view, that happens, is when I press the Enter key on the OSK, it inserts something and moves my text upwards or downwards, and when I use the node property to retrieve the data in the control of the chain, I get an empty string.

How did you get around this? I would like to hear your solutions.

Have you tried right-clicking on the control of the chain (assuming that it is "ID mould to enter") and by assigning the value 'limit to the single line "? Sounds like your settings cause hit enter to add a line instead of the finish of your entry change. (You can also change the behavior of 'back' in your settings of LabVIew)

Tags: NI Software

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