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eGUI - purpose of the 'pOnUsrMsg' argument in object declaration

Question asked by Maciek on Sep 9, 2012
Latest reply on Jun 22, 2015 by Elisa Mejia

Hi,

 

what is the purpose of 'pOnUsrMsg' argument in object declaration macro ?

How a user message can be sent to an object ?

What does it mean (user guide comment on pOnUsrMsg): "This callback is called before this

message event is sent to the object itself" ?

 

Any 'design patterns' here ?

 

Regards

Maciek

 

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