同时闪烁多个要素

/// <summary>

        /// 闪烁选中得图斑

        /// </summary>

        /// <param name="featureCursor"></param>

        private void FlashPolygons(IFeatureCursor featureCursor)

        {

            IArray geoArray = new ArrayClass();

            IFeature feature = null;

            while ((feature = featureCursor.NextFeature()) != null)

            {

                //feature是循环外指针，所以必须用ShapeCopy

                geoArray.Add(feature.ShapeCopy);

            }

 

            //通过IHookActions闪烁要素集合

            HookHelperClass m_pHookHelper = new HookHelperClass();

            m_pHookHelper.Hook = axMapControl1.Object;

            IHookActions hookActions = (IHookActions)m_pHookHelper;

 

            hookActions.DoActionOnMultiple(geoArray, esriHookActions.esriHookActionsPan);

            //hookActions.DoActionOnMultiple(geoArray, esriHookActions.esriHookActionsGraphic);

            //hookActions.DoActionOnMultiple(geoArray, esriHookActions.esriHookActionsZoom);

            Application.DoEvents();

            m_pHookHelper.ActiveView.ScreenDisplay.UpdateWindow();

 

            hookActions.DoActionOnMultiple(geoArray, esriHookActions.esriHookActionsFlash);

        }