Help with writing/reading-key key ini files (double) and defined accurarcy

Hello

in a pop-up window, the user can insert a digital double value.

This value is stored in an ini file using the writing-key-vi with Type = double. Works very well.

What should I do to adjust the values after the decimal point?

If the user inserts 1 532 so I want to round to two digits after the decimal point and save it. (-> 1.53)

THX

I don't know how LV treats different decimal separators (for example, the comma instead of point), I guess that's "just works" according to settings system locale.

A few options are available as follows...

The function write key has an entry of 'precision' which will set the number of decimal places to save the DBL to (in your case, set it to 2):

If you use a number field, you can set the 'increment' property to 'force close' to keep them out in more accurately than is available:

The obvious method for rounding of the entry is to scale the number, rounded to the nearest integer and then divide again to limit the accuracy:

I couldn't see anything in the digital pallets / math that does this.

Tags: NI Software

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