Returns the default line height for a line of text drawn using a given font.
Original signature is '- (CGFloat)defaultLineHeightForFont:(NSFont *)theFont'
Available in Mac OS X v10.2 and later.


- theFont (NSFont)
- The font for which to determine the default line height.

The default line height for a line of text drawn using theFont.

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