How to extend a new AO ILineStroke2 interface?

Discussion created by nied-esrichina-com-cn-esridist on Feb 27, 2013
Hi all,

i want to draw line feature in Representation using GDI+ to Anti-aliasing Geometric effect.
may be i can write a named "ILineStroke2" interface,and implement ILineStroke2.Draw() function.

is there any sample code?