Not able to write value in a class from different VI

[InspectorGadget123123]

Situation is like this.

I have a main VI which calls a object manager which loads classes in an array of classes.

Back in the main I call a abstract method of the loaded class(To More Specific Class), then when the loaded class is executed it will write a value.

This all works, but when I perform the last step in a different vi(which is called from the main) then the loaded vi will not write a value.

The inheritance of the classes are:

- instrument

- abstract

- Sine(Here I try to write a value in the variable off the .ctl of this class)

[crossrulz · Accepted solution]

Are you passing the object out of your subVI?  Remember that LabVIEW deals with objects in a by-value paradym.

[InspectorGadget123123]

Still learning how the classes work.

First I thought that every class created it's own variables and methodes, so when using 2 classes of the same, they are independent to each other.

But I now believe that the methodes are the same, only the variables change, correct me if I'm wrong.

You gave some good hints.

After the variables change I replaced the class in the class array(I created this function in my 'ObjectManager').

Now it works!

thanks.

[crossrulz]

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@InspectorGadget123123 wrote:

But I now believe that the methodes are the same, only the variables change, correct me if I'm wrong.

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Yes, the methods are the same for every object of the same class and any children that did not override said method.

The main thing to remember is that LabVIEW is a data flow language.  So the data is in the wire.