how do i know when to use a datasource or delegate protocol when using a UI object in my project?

Posted by sarmenhba on Stack Overflow See other posts from Stack Overflow or by sarmenhba
Published on 2010-03-16T19:13:01Z Indexed on 2010/03/16 19:31 UTC
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Filed under:

objective-c

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delegate

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datasource

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protocol

for example the UIPickerView, in the tutorial that i am learning i had to include the datasource and delegate protocols in my project for the pickerview to work. how would i know on other objects?

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