Returns either the last index in the index set or the not-found indicator.
Original signature is '- (NSUInteger)lastIndex'
Available in Mac OS X v10.3 and later.

C# | Visual Basic | Visual C++ |
public virtual NSUInteger LastIndex { get; }
Public Overridable ReadOnly Property LastIndex As NSUInteger Get
public: virtual property NSUInteger LastIndex { NSUInteger get (); }

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