Creates a region or a polyline from an enclosed area.
Button
Ribbon: Home tab 
Draw
panel BoundaryNot available on the ribbon in
the current workspace. Menu: Draw BoundaryNot available in menus
in the current workspace.The Boundary Creation dialog box is displayed.
If you enter -boundary at the Command prompt, options are displayed.
Each point that you specify identifies the surrounding objects and creates a separate region or polyline.
Defines the object type, boundary set, and island detection method for creating a region or polyline using a specified point within an area enclosed by objects.
