/// <summary> /// Returns a bounding box for the custom render meshes for the given object. /// </summary> /// <param name="vp">The viewport being rendered.</param> /// <param name="obj">The Rhino object of interest.</param> /// <param name="requestingPlugIn">UUID of the RDK plug-in requesting the meshes.</param> /// <param name="preview">Type of mesh to build.</param> /// <returns>A bounding box value.</returns> public virtual BoundingBox BoundingBox(ViewportInfo vp, RhinoObject obj, Guid requestingPlugIn, bool preview) { var min = new Point3d(); var max = new Point3d(); if (UnsafeNativeMethods.Rdk_RMPBoundingBoxImpl(m_runtime_serial_number, vp.ConstPointer(), obj.ConstPointer(), requestingPlugIn, preview ? 1 : 0, ref min, ref max)) { return(new BoundingBox(min, max)); } return(new BoundingBox()); }