Returns a string created by copying the characters from another given string.
Original signature is '+ (id)stringWithString:(NSString *)aString'
Available in Mac OS X v10.0 and later.


- aString (NSString)
- The string from which to copy characters. This value must not be nil.

A string created by copying the characters from aString.

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