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viviane-b asked Jeanette F commented

Pointers in module SDK

Hello.

I am working with module SDK and I am referecing some objects using pointers. However when I open a saved model, the pointers are all reset. I would like to know if there is a way to not lose the reference of pointers when opening a model.

Thanks.

FlexSim 23.0.8
module sdkmodulepointers
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Matthew Gillespie avatar image Matthew Gillespie ♦♦ commented ·
@Viviane_B Where are the pointers and what are they pointing at?
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viviane-b avatar image viviane-b Matthew Gillespie ♦♦ commented ·

I am sorry for the lack for a more detailed explanation. The pointers are declared in the module classes, cpp files, and they are referencing the model objects. The objects are created in the model, stored in a treenode and then referenced (using objectAs).

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Joerg Vogel avatar image Joerg Vogel viviane-b commented ·
@Viviane_B, please read about pointers as a reference to hardware memory addresses. As long as a model is not compiled and a pointer is assigned to an address they should be empty by default. A method can establish a kind of coupling between an hardware address and a model tree node, but therefore this method must be executed right from the opening of a model. You might want to insert a construct that fulfill this kind of coupling by an event like on open a model. I believe it won’t be possible to establish exactly the same computer memory address to a reloaded model on modern PCs nowadays. This was a common practice, when computers were built with an capacity of some few kilobytes and it’s System didn’t swap assembled machine code to different physical resources.
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Jeanette F avatar image Jeanette F ♦♦ commented ·

Hi @viviane-b,

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