how to draw mac spinning wait cursor on application dock icon in cocoa

I want to draw animated dock icon with spinning wait cursor for my cocoa app. Please let me know how i can draw the spinning wai开发者_JS百科t cursor or where did i find the cursor file on mac.

Thanks

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Don't put cursors anywhere but on the cursor. It would be really bad to make the user think their mouse has locked up.

Make a view that displays your application's icon, make an NSProgressIndicator a subview of it, and make the icon view the view of your application's Dock tile.