Specifies that an event-processing operation should continue until a timeout occurs based on a value determined by the Apple Event Manager (about 1 minute). Not currently used by applications.
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)