Esempio n. 1
0
        internal override IntPtr _InternalGetConstPointer()
        {
            if (null != m_shallow_parent)
            {
                return(m_shallow_parent.ConstPointer());
            }

#if RHINO_SDK
            Rhino.DocObjects.ObjRef obj_ref = m__parent as Rhino.DocObjects.ObjRef;
            if (null != obj_ref)
            {
                return(obj_ref.GetGeometryConstPointer(this));
            }

            Rhino.DocObjects.RhinoObject parent_object = ParentRhinoObject();
            if (parent_object == null)
            {
                Rhino.FileIO.File3dmObject fileobject = m__parent as Rhino.FileIO.File3dmObject;
                if (null != fileobject)
                {
                    return(fileobject.GetGeometryConstPointer());
                }
            }

            uint   serial_number      = 0;
            IntPtr pParentRhinoObject = IntPtr.Zero;
            if (null != parent_object)
            {
                serial_number      = parent_object.m_rhinoobject_serial_number;
                pParentRhinoObject = parent_object.m_pRhinoObject;
            }
            ComponentIndex ci = new ComponentIndex();
            // There are a few cases (like in ReplaceObject callback) where the parent
            // rhino object temporarily holds onto the CRhinoObject* because the object
            // is not officially in the document yet.
            if (pParentRhinoObject != IntPtr.Zero)
            {
                return(UnsafeNativeMethods.CRhinoObject_Geometry(pParentRhinoObject, ci));
            }
            return(UnsafeNativeMethods.CRhinoObject_Geometry2(serial_number, ci));
#else
            Rhino.FileIO.File3dmObject fileobject = m__parent as Rhino.FileIO.File3dmObject;
            if (null != fileobject)
            {
                return(fileobject.GetGeometryConstPointer());
            }
            return(IntPtr.Zero);
#endif
        }