Non-Handle Classes with events and listeners

Question

Phillip 2014-11-22

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https://ww2.mathworks.cn/matlabcentral/answers/163801-non-handle-classes-with-events-and-listeners

回答： Phillip 2014-11-27

Hi

I do think I know the answer to this but would like to clarify in case I missed anything.

Is it only handle classes that can implement events and listeners? From the documentation I read, it seems that handle classes inherit the 'notify' and 'addlistener' methods.

So if my understanding is correct then value classes can never define events or notify listeners?

Regards, Phil

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Answer 1

Phillip 2014-11-27

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链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/163801-non-handle-classes-with-events-and-listeners#answer_160406

For the sake of completeness I will answer the question myself.

There is no direct way of using 'notify' and 'addlistener' without the class being a handle class. To use the official matlab Events and Listeners you must ensure that your class is a handle class.