Posted when a new device has been mounted.
The notification object is the shared NSWorkspace instance.
In Mac OS X v10.5 and earlier the userInfo dictionary contains a key @"NSDevicePath" that returns the path where the device was mounted, as a string.
Available in Mac OS X v10.0 and later.
Declaration Syntax Version Information- Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later), 10.5 (For Mac OS X 10.5 and later)