osx - mac toolbar style -

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does know how make toolbar style top bar of "xcode organizer"? press different item ,different view show down below. has toolbar style tab bar function,many mac apps' preference pane use it,i'm confused. can me please. thank much. plus mac application

start documentation nstoolbar. there sample applications started with.

good overview making better preferences window - see link demo project on second page of article.


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