I think I am going to cry

[suityou01]

This is correct. You don't.

But I will play along. I should be charging you really.

I have a button. I want to subscribe to the click event of that button. What do I pass to the button to subscribe to this event?

Do not even consider using the word object in your answer or I will tear you a new one young Padawan


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[SpontaneousOrder]

This is correct. You don't.

But I will play along. I should be charging you really.

I have a button. I want to subscribe to the click event of that button. What do I pass to the button to subscribe to this event?

Do not even consider using the word object in your answer or I will tear you a new one young Padawan


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In a typical Observer pattern implementation, you'd pass to the button the subscriber itself.

[suityou01]

Sneaky. Very sneaky.

The answer was function pointer.


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[suityou01]

Ok. So I have two buttons. Can I pass the same function pointer to both buttons? Of course I can.

Or I could supply multiple function handlers to each button. Here's the thing, if I add three event handlers to the same event, when that event fires the handler fire in the order that I subscribed them.

Ok so far?


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[SpontaneousOrder]

Sneaky. Very sneaky.

The answer was function pointer.


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Maybe you're messing with me. Function pointer in Java?

[doodab]

Sneaky. Very sneaky.

The answer was function pointer.


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But this is java, not X windows. So you end up with a new class.

[suityou01]

What does this do

MyButton.ClickEvent += myHandler;

Specifically discuss the bit to the right of the equals sign.

Do not use the word object, class or instance.


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[SpontaneousOrder]

The human head weighs eight pounds.

[suityou01]

8 pounds of wool in your case.


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[doodab]

What does this do

MyButton.ClickEvent += myHandler;

Specifically discuss the bit to the right of the equals sign.

Do not use the word object, class or instance.


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In java? it prevents your code from compiling.