Initializes a PDF annotation object.
Original signature is '- (id)initWithBounds:(NSRect)bounds'
Available in Mac OS X v10.4 and later.


- bounds (NSRect)
- The bounding box of the annotation, in page space.

An initialized PDFAnnotation instance, or NULL if the object could not be initialized.

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