Annotation

↳ ArrowAnnotation
↳ RectangleAnnotation
↳ TextAnnotation

Methods
DuplicateSymbol(Annotation)	Used to have the symbol than another annoation. Usefull when moving annotations in the designs
Extremities()	In the case of a two adorners items, retrieve the position of the extremeties
Resized()	Called whenever the device is resized.