/// <summary>

        /// 创建基准面和实体的交线（合并交线）

        /// </summary>

        /// <param name="body"></param>

        /// <param name="dPlane"></param>

        /// <param name="iCurve"></param>

        public void CreateIntersectionCurveOfBodyAndDatumPlane(Body body, DatumPlane dPlane, out Curve iCurve)

        {

            try

            {

                NXOpen.Features.Feature nullFeatures_Feature = null;

                NXOpen.Features.SectionCurveBuilder sectionCurveBuilder1;

                sectionCurveBuilder1 = workPart.Features.CreateSectionCurveBuilder(nullFeatures_Feature);

                sectionCurveBuilder1.Associative = true;

                sectionCurveBuilder1.Tolerance = 0.0254;

                sectionCurveBuilder1.CurveFitJoinOptions.CurveJoinMethod = NXOpen.GeometricUtilities.CurveFitJoin.JoinMethod.Genernal;

               

                bool added1;

                added1 = sectionCurveBuilder1.ObjectsToSection.Add(body);

                bool added2;

                added2 = sectionCurveBuilder1.SectionPlanes.Add(dPlane);

                NXObject nXObject1;

                nXObject1 = sectionCurveBuilder1.Commit();

                iCurve = (Curve)((SectionCurve)nXObject1).GetEntities()[0];

                sectionCurveBuilder1.Destroy();

            }

            catch (Exception ex)

            {

                UI.GetUI().NXMessageBox.Show("Message", NXMessageBox.DialogType.Error, ex.Message);

                iCurve = null;

            }

        }