macOS Dynmaic dock icons

[Warranty Voider]

Does anybody know how to create dynamic dock icons? (like Mail, and iCal)

 

[Catfish_Man]

http://developer.apple.com/documentation/Cocoa/Reference/NSDockTile_Class/Reference/Reference.html

 

[mkelly11]

Or for below 10.5, you can use setApplicationIconImage: in the NSApplication class.