Drawing View Display Style
You can display drawing views in the following modes, from either the
View
toolbar or in the view PropertyManager:
Wireframe
Hidden
Lines Visible
Hidden
Lines Removed
Shaded With Edges
Shaded
When in Hidden Lines Visible
or Hidden Lines Removed mode,
you can select a style for Tangent Edge Display.
You can set the default display mode for drawings
by selecting Options , System Options,
Drawings, Display Style.