Returns the current number of rows.
Original signature is '- (NSUInteger)numberOfRows'
Available in Mac OS X v10.6 and later.

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

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