Variant of data object class

The 'variant data' has 'Type' is a required entry, according to the help documentation.

However, I can make a Variant to the data without the help of the type when the variant is an object and a class method is fixed. Is this expected behavior?

A screenshot is also attached. The top loop to have a "blue wire" method, which is then become a child of the «Brown wire» method Since there is no type, blue seems to have kept his last colors. By duplicating the code, the new instance has the right color. The two loops to provide the same performance.

Richard_Ha wrote:

The 'variant data' has 'Type' is a required entry, according to the help documentation.

The documentation is no longer correct. I guess at some point, that someone thought it was a good idea to let the function of being able to deduce the data from the output if nothing is connected to the entry type, but then I forgot to update the image of the assistance.

I do not remember to do with classes (or to all the less, I almost never rely on this behavior, because I prefer explicitly the type of wiring), but I could certainly imagine where it would work unexpectedly. Unlike other types, the classes have a dynamic element to the data type, which is certainly more an incentive to make sure you wire in the class.

Tags: NI Software

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