通过始末值创建拉伸（UGNX二次开发）

        ///

        /// 通过始末值创建拉伸
        ///

        /// 被拉伸曲线
        /// 起始值
        /// 终止值
        /// 创建的拉伸实体
        public void CreateExtrudeSheetByValues(Curve e_curve, double s_value, double e_value, out Body e_body)
        {
            try
            {
                NXOpen.Features.Feature nullFeatures_Feature = null;
                NXOpen.Features.ExtrudeBuilder extrudeBuilder1;
                extrudeBuilder1 = workPart.Features.CreateExtrudeBuilder(nullFeatures_Feature);

                Section section1;
                section1 = workPart.Sections.CreateSection();
                extrudeBuilder1.Section = section1;
                extrudeBuilder1.AllowSelfIntersectingSection(true);

                extrudeBuilder1.DistanceTolerance = 0.0254;
                extrudeBuilder1.BooleanOperation.Type = NXOpen.GeometricUtilities.BooleanOperation.BooleanType.Create;
                extrudeBuilder1.FeatureOptions.BodyType = NXOpen.GeometricUtilities.FeatureOptions.BodyStyle.Sheet;

                extrudeBuilder1.Limits.StartExtend.Value.RightHandSide = s_value.ToString();
                extrudeBuilder1.Limits.EndExtend.Value.RightHandSide = e_value.ToString();

                section1.DistanceTolerance = 0.0254;
                section1.ChainingTolerance = 0.02413;
                section1.SetAllowedEntityTypes(NXOpen.Section.AllowTypes.OnlyCurves);

                Curve[] curves1 = new Curve[1] { e_curve };
                CurveDumbRule curveDumbRule1;
                curveDumbRule1 = workPart.ScRuleFactory.CreateRuleCurveDumb(curves1);

                section1.AllowSelfIntersection(true);

                SelectionIntentRule[] rules1 = new SelectionIntentRule[1];
                rules1[0] = curveDumbRule1;
                NXObject nullNXObject = null;
                Point3d helpPoint1 = new Point3d();
                section1.AddToSection(rules1, e_curve, nullNXObject, nullNXObject, helpPoint1, NXOpen.Section.Mode.Create, false);

                Point3d origin1 = new Point3d(0, 0, 0);
                Vector3d vector1 = new Vector3d(0.0, 0.0, 1.0);
                Direction direction1;
                direction1 = workPart.Directions.CreateDirection(origin1, vector1, NXOpen.SmartObject.UpdateOption.WithinModeling);

                extrudeBuilder1.Direction = direction1;

                Extrude feature1;
                feature1 = (Extrude)extrudeBuilder1.CommitFeature();

                e_body = feature1.GetBodies()[0];

                extrudeBuilder1.Destroy();
            }
            catch (Exception ex)
            {
                e_body = null;
                MessageBox.Show(ex.ToString());
            }
        }

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转载于:https://www.cnblogs.com/yyFisheep/archive/2012/12/18/2823698.html