Custom drawn grips are randomly disappearing (C++)

[NathanM1994 (NathanM)]

I had exactly the same issue. It appears only when some grips are far in space from the parent object. This display conduit by Dale in this thread solves the issue:

Grips bounding box

I have derived classes from CRhinoObjectGrips, CRhinoGripObject, and CRhinoGripsEnabler. I have written a CRhinoGripsEnabler::TurnOnGrips and called RegisterGripsEnabler. When I want to turn them on (with my own special PointsOn command) I call the TurnOnGrips function for my Enabler.The CRhinoObjectGrips-derived class calls the base constructor with the GRIP_TYPE set to custom_grip. The added grips are put into CRhinoObjectGrips::m_grip_list, so the grips themselves are managed by Rhino (inclu…

May this be a bug @dale?