Gets the selector.
Use the given selector when exporting the constructor or the method in the Objective-C runtime. The selector must conforms to the rules defined in the "The Objective-C Programming Language" and implemented by ObjectiveCEncoding.


The selector to use.

- Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later), 10.5 (For Mac OS X 10.5 and later)