C++ (Cpp) PatchObject::DeleteThis示例

Object* TriPatchObject::ConvertToType(TimeValue t, Class_ID obtype) {
	if(obtype == patchObjectClassID || obtype == defObjectClassID || obtype == mapObjectClassID) {
		PatchObject *ob;
		UpdatePatchMesh(t);
		ob = new PatchObject();	
		ob->patch = patch;
		ob->SetChannelValidity(TOPO_CHAN_NUM,ObjectValidity(t));
		ob->SetChannelValidity(GEOM_CHAN_NUM,ObjectValidity(t));
		return ob;
		}

	if(obtype == triObjectClassID) {
		TriObject *ob = CreateNewTriObject();
		PrepareMesh(t);
		ob->GetMesh() = patch.GetMesh();
		ob->SetChannelValidity(TOPO_CHAN_NUM,ObjectValidity(t));
		ob->SetChannelValidity(GEOM_CHAN_NUM,ObjectValidity(t));
		return ob;
		}
#ifndef NO_NURBS
	if (obtype==EDITABLE_SURF_CLASS_ID) {
		PatchObject *pob;
		UpdatePatchMesh(t);
		pob = new PatchObject();	
		pob->patch = patch;
		Object *ob = BuildEMObjectFromPatchObject(pob);
		delete pob;
		ob->SetChannelValidity(TOPO_CHAN_NUM, ObjectValidity(t));
		ob->SetChannelValidity(GEOM_CHAN_NUM, ObjectValidity(t));
		return ob;
		}
#endif
	if (Object::CanConvertToType (obtype)) return Object::ConvertToType (t, obtype);

	if (CanConvertPatchObject (obtype)) {
		PatchObject *ob;
		UpdatePatchMesh(t);
		ob = new PatchObject();	
		ob->patch = patch;
		ob->SetChannelValidity(TOPO_CHAN_NUM,ObjectValidity(t));
		ob->SetChannelValidity(GEOM_CHAN_NUM,ObjectValidity(t));
		Object *ret = ob->ConvertToType (t, obtype);
		ob->DeleteThis ();
		return ret;
		}
	return NULL;
	}