This page contains reference documentation for the DisplayHiddenEdges member. This member sets or gets whether or not the mesh renders hidden edges.
int DisplayHiddenEdges;
Examples are as follows:
ParametricMesh editMesh = new ParametricMesh; editMesh.DisplayHiddenEdges = 1; editMesh.DisplayHiddenEdges = !editMesh.DisplayHiddenEdges;
For sample code: