Hidden Edges
Views > Properties > Edges > Hidden edges 
You use this function to change the representation of hidden edges.
- Select the desired colour and line type.
- Click OK to exit the window.
The presetting for colour and line type of hidden edges can be specified in the Configuration Editor, at Drawing > Views.
The selected representation applies to the view that is active when
you call the function.
Properties of Views (3-D) • View Functions (3-D) • Views (3-D)