How To: Select invisible vertices and turn visibility ON on selected vertices
HOOPS 3DF API
C++ Language
The following sample show you how to select invisible vertices and make those selected vertices visible.
Code uses HC_Show_Selection_Elements
to determine which vertices are selected and HC_MSet_Specific_Vertex_Colors_By_Value
to change selected vertices to the color black
Forum post:
https://forum.techsoft3d.com/t/how-to-select-invisible-vertices-and-turn-visibility-on-on-selected-vertices/3042