Returns a Boolean value that indicates whether a given long character is a member of the receiver.
Original signature is '- (BOOL)longCharacterIsMember:(UTF32Char)theLongChar'
Available in Mac OS X v10.2 and later.


- theLongChar (UInt32)
- A UTF32 character.

YES if theLongChar is in the receiver, otherwise NO.

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