File manager class on OSX SDK? [duplicate]

Question

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Display file chooser dialog

What is the name of the file manager GUI. Like when you save as on a program and a file manager comes up. I'm talking about OSX 10.5 and upwards.

Answer 1

when you save as on a program and a file manager comes up

You would use NSSavePanel for this.

If you simply want to open a document or choose a directory, then you would use NSSavePanel's subclass - NSOpenPanel.