Call method text size prevents string value changes?

I call the 'Text size' method with an Invoke node on a control to the string every time that a keypress event is marked.

Curiously, the chain control change never the size. Have I misunderstood the purpose of 'Text size' method?

Second, if I turn off "Update as you type" attribute, the keypress event is always recorded by the case of the event, but the contents of the string is always returned to the original contents of the string - it becomes impossible to update! Why is this behavior occurs?

Attached is my demo vi. If you run this and try to change the content, you will see that the string control does not resize the text.

Disable the "Update as you type" attribute, and it becomes crazy!

Any suggestions on how to get this to resize the content string while the user types?

OK, with a lot more research, I found a Subvi from NOR (password protected - grrrr) called Get text Rect

(Or almost), it returns the rectangle enclosing correct for a single line format of text fonts. With a slight correction, this works well for the large font size that I use.

Solution set.

Thanks to anyone who is spending time trying to solve this problem for me!

Tags: NI Software

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