what class or viewController is that?

sorry for this question, but i dont know where to search for it, or how to google it, because i dont have any idea how to search it.

with what class/viewController/API is such a "popup" built?

alt text http://img265.imageshack.us/img265/1096/screenshot2010022814480.png

thanks for help 开发者_JAVA百科:)

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It's a UIActionSheet