Returns the font used by default for documents and other text under the user’s control (that is, text whose font the user can normally change), in the specified size.
Original signature is '+ (NSFont *)userFontOfSize:(CGFloat)fontSize'
Available in Mac OS X v10.0 and later.


- fontSize (CGFloat)
- The size in points to which the font is scaled.

A font object of the specified size.

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