show desktop/hide all windows under Mac OS X

I am trying to crea开发者_开发问答te an application which show the desktop / hide all application even the finder.

Do you have any idea to achieve this?

Thanks and regards,

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When you hide the Finder, you don't hide the icons on the desktop. If you're fine with that, then use -[NSWorkspace hideOtherApplications].

Otherwise you'll need to draw your own window over the top of everything else.

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It depends on what you are really trying to do. Have a look at the Apple docs on kiosk mode to see if they help.

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You can easily achieve this by using applescript to set the current application to find then executing the [NSWorkspace hideOtherApplications].

Activate Application "Finder"

Pretty much all the additional code you need. Fairly simple.