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Autodesk Developer Network, April 2010
The Wine – Selection
•Selection.PickPoint()
§ Select a point on the active workplane
§ Snap overrides
•View.SketchPlane
§ Set the active workplane
•Selection.PickObject
•Selection.PickObjects
§Users can make one or multiple selections
§Users can make multiple selections via box select
§Custom status prompt
§Custom selection filter
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Selection.PickPoint  has been on top of the wish list items for some releases now and in this release, we can now have the users pick a point on the screen and it will give a point on the active work-plane. We can also override the default user snap settings if that is appropriate and providing a custom status to prompt to direct users what to pick. The method returns an XYZ corresponding to the users pick.

We can also set the active work-plane so that we have control on the point that we having the user select. Hopefully this will give a lot of flexibility around user interaction.

Besides point, we can select objects, perform single or multiple selections, do a box select, add or subtract items from a selection set, have included custom status prompts and also have filter to avoid users from selecting certain objects (thus allowing us to funnel what users want to select).