ArcGIS实现移动整个对象

点、线、包络线、多边形整体移动方法相同，也是相应的改变接口和类（MovePointFeedBack、MoveLineFeedBack、MovePolygonFeedBack和MoveEnvelopeFeedBack）

 private void axMapControl1_OnMouseDown(object sender, IMapControlEvents2_OnMouseDownEvent e)

        {

            IPoint pPt = new PointClass();

            pPt.PutCoords(e.mapX, e.mapY);

            pActiveView=axMapControl1.ActiveView;

 

            double dist = pActiveView.Extent.Width / 100;

            pHitElement = getElement(pPt, dist);

 

            IGeometry pGeometry;

            if (pHitElement != null)

            {

                pGeometry = pHitElement.Geometry;

                if (pGeometry.GeometryType == esriGeometryType.esriGeometryPolyline)

                {

                    pDispLayFeedBack = new MoveLineFeedbackClass();

                    pDispLayFeedBack.Display = pActiveView.ScreenDisplay;

 

                    IMoveLineFeedback pMoveLineFeed;

                    pMoveLineFeed = pDispLayFeedBack as IMoveLineFeedback;

                    pMoveLineFeed.Start(pGeometry as IPolyline, pPt);

                }

            }

        }

        private IElement getElement(IPoint pPt, double dist)

        {

            IEnumElement pEnumElement;

            IElement pEle;

            pGraphicsContainer = axMapControl1.ActiveView as IGraphicsContainer;

            pEnumElement = pGraphicsContainer.LocateElements(pPt, dist);

            if (pEnumElement != null)

            {

                pEle = pEnumElement.Next();

                while (pEle != null)

                {

                    if (pEle.Geometry.GeometryType == esriGeometryType.esriGeometryPolyline)

                    {

                        return pEle;

                    }

                    pEle = pEnumElement.Next();

                }

            }

            return null;

        }

        private void axMapControl1_OnMouseMove(object sender, IMapControlEvents2_OnMouseMoveEvent e)

        {

            IPoint pPt;

            pPt = new PointClass();

            pPt.PutCoords(e.mapX, e.mapY);

            pDispLayFeedBack.MoveTo(pPt);

        }

 

        private void axMapControl1_OnMouseUp(object sender, IMapControlEvents2_OnMouseUpEvent e)

        {

            IGeometry pGeom = null;

            IGeometry pGeomEles;

            if (pHitElement != null)

            {

                pGeomEles = pHitElement.Geometry;

                if (pGeomEles.GeometryType == esriGeometryType.esriGeometryPolyline)

                {

                    IMoveLineFeedback pMvLnFeed;

                    pMvLnFeed = pDispLayFeedBack as IMoveLineFeedback;

                    pGeom = pMvLnFeed.Stop();

                }

                pHitElement.Geometry = pGeom;

                IActiveView pActiveView = axMapControl1.ActiveView;

                IGraphicsContainer pGraphicsContainer = pActiveView as IGraphicsContainer;

                pGraphicsContainer.UpdateElement(pHitElement);

                pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);

            }

        }