Picture Box or Form

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My application draws lines and arcs (upto 10,000 elements), I am presently
using a form as the graphic window and Line / Circle statements.
The application has to deal with changing datum points and scaling of the
visible area followed by a redraw of the elements. I would like to implement
some OpenGL technology to change the view orientation to say isometric or
user defined.

a) Should the applications graphic window be a picture box and if so why?
b) Can a graphic window scale and datum be changed without having to ask the
application to redraw the geometry afterwards at the new scale?

Thank you for any input


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