private void GeneratePreview()
        {
            if ((picStylePreview == null) || (g_pGxView == null))
                return;

            tagRECT r = new tagRECT();
            r.bottom = picStylePreview.ClientSize.Height;
            r.top = 0;
            r.right = picStylePreview.ClientSize.Width;
            r.left = 0;

            bmpPreview = new Bitmap(r.right, r.bottom);
            System.Drawing.Graphics GrpObj = Graphics.FromImage(bmpPreview);
            try
            {
                g_pGxView.PreviewItem((Int64)GrpObj.GetHdc(), r);
                GrpObj.ReleaseHdc();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.ToString());
            }
            finally
            {
                GrpObj.Dispose();
            }
            picStylePreview.Image = bmpPreview;
        }

        private void SaveAsImage_Shown(object sender, EventArgs e)
        {
            openFileDialog1.ShowDialog();
            
            axPXV_Control1.CreateNewBlankDoc(500, 500, 1);
            
            var page = axPXV_Control1.Doc.CoreDoc.Pages[0];
            var CC = axPXV_Control1.Doc.CoreDoc.CreateContentCreator();
            //page.Document.AddImageFromFile(openFileDialog1.FileName);
            //axPXV_Control1.Doc.CoreDoc.WriteToFile(openFileDialog1.FileName);
            IXC_ImageFileFormatIDs img = IXC_ImageFileFormatIDs.FMT_PBM_ID;
            page.Document.WriteToFile(openFileDialog1.FileName);
            IXC_PageFormat nFormat = IXC_PageFormat.PageFormat_8Indexed;
            //ConvertFormatToIndx(page, nFormat);
            IXC_Channel sd = IXC_Channel.Channel_R;
           IIXC_Page d;
            axPXV_Control1.CreateNewBlankDoc(600, 600, 1);
            PXC_BoxType bx = new PXC_BoxType();
            PXC_Matrix mtr = page.GetMatrix(bx);
            page.GetMatrix(bx);
            tagRECT tgRct = new tagRECT();
            IIXC_Inst inst = (IIXC_Inst)axPXV_Control1.Inst.GetExtension("IXC");
            

        }

 public void PreviewItem(IStyleGalleryItem pItem, int hDC, tagRECT r)
 {
     //Draw a representation of the item to the given DC.
     try
     {
         m_pClass.Preview(pItem.Item, hDC, ref r);
     }
     catch (Exception ex)
     {
         System.Windows.Forms.MessageBox.Show(ex.ToString());
     }
 }

 public Bitmap PreviewSymbol(IStyleGalleryClass pStyleGalleryClass, object galleryItem, int imgWidth, int imgHeight)
 {
     Bitmap bitmap = new Bitmap(imgWidth, imgHeight);
     Graphics graphics = Graphics.FromImage(bitmap);
     tagRECT rect = new tagRECT();
     rect.right = bitmap.Width;
     rect.bottom = bitmap.Height;
     System.IntPtr hdc = graphics.GetHdc();
     pStyleGalleryClass.Preview(galleryItem, hdc.ToInt32(), ref rect);
     graphics.ReleaseHdc(hdc);
     graphics.Dispose();
     return bitmap;
 }

        public static Bitmap StyleGalleryItemToBmp(int pWidth, int pHeight, IStyleGalleryClass pStyleGalleryClass, IStyleGalleryItem pStyleGalleryItem)
        {
            ///  通过符号库中的IStyleGalleryItem 和 IStyleGalleryClass类别生成图片预览

            Bitmap bitmap = new Bitmap(pWidth, pHeight);
            System.Drawing.Graphics pGraphics = System.Drawing.Graphics.FromImage(bitmap);
            tagRECT rect = new tagRECT();
            rect.right = bitmap.Width;
            rect.bottom = bitmap.Height;
            //生成预览
            IntPtr hdc = new IntPtr();
            hdc = pGraphics.GetHdc();
            pStyleGalleryClass.Preview(pStyleGalleryItem.Item, hdc.ToInt32(), ref rect);
            pGraphics.ReleaseHdc(hdc);
            pGraphics.Dispose();
            return bitmap;
        }

        protected override void OnClick(EventArgs e)
        {
            base.OnClick(e);

            tagRECT rect = new tagRECT();
            GetWindowRect(this.Handle, ref rect);

            IColorPalette pColorPalette = new ColorPaletteClass();

            IColor pInColor = new RgbColorClass();
            pInColor.Transparency = 255;
            if (m_IsNoColor == true)
                pInColor.NullColor = true;
            else
            {
                if (m_ESRIColor == null)
                    pInColor.RGB = ConvertSystemColorToESRIColor(m_SystemColor.ToArgb());
                else
                {
                    pInColor.RGB = m_ESRIColor.RGB;
                }
            }

            bool bSelectColor = false;

            bSelectColor = pColorPalette.TrackPopupMenu(ref rect, pInColor, false, this.Handle.ToInt32());
            if (bSelectColor == true)
            {
                m_ESRIColor = pColorPalette.Color;
                if (m_ESRIColor.NullColor != true)
                {
                    m_IsNoColor = false;
                    m_SystemColor = Color.FromArgb(ConvertSystemColorToESRIColor(m_ESRIColor.RGB));
                }
                else
                {
                    m_IsNoColor = true;

                    m_SystemColor = this.BackColor;
                }
                Invalidate();
            }
        }

 public void setFrame(WebView sender, ref tagRECT frame)
 {
 }

 public void paintCustomScrollCorner(WebView WebView, int hDC, tagRECT rect)
 {
 }

 public void drawHeaderInRect(WebView WebView, ref tagRECT rect, int drawingContext)
 {
 }

        private void InitializeWebKit()
        {
            activationContext.Activate();

            resourceIntercepter = new ResourcesIntercepter(this);
            Marshal.AddRef(Marshal.GetIUnknownForObject(resourceIntercepter));

            frameLoadDelegate = new WebFrameLoadDelegate();
            Marshal.AddRef(Marshal.GetIUnknownForObject(frameLoadDelegate));
            
            downloadDelegate = new WebDownloadDelegate(this);
            Marshal.AddRef(Marshal.GetIUnknownForObject(downloadDelegate));
            
            uiDelegate = new WebUIDelegate(this);
            Marshal.AddRef(Marshal.GetIUnknownForObject(uiDelegate));

            resourcesLoadDelegate = new WebResourceLoadDelegate(this);
            Marshal.AddRef(Marshal.GetIUnknownForObject(resourcesLoadDelegate));
            
            //editingDelegate = new WebEditingDelegate(this);
            //Marshal.AddRef(Marshal.GetIUnknownForObject(editingDelegate));
            // not used (yet)

            policyDelegate = new WebPolicyDelegate(AllowNavigation, AllowDownloads, AllowNewWindows, this);
            Marshal.AddRef(Marshal.GetIUnknownForObject(policyDelegate));

            formDelegate = new WebFormDelegate(this);
            Marshal.AddRef(Marshal.GetIUnknownForObject(formDelegate));

            center = new WebNotificationCenter();
            Marshal.AddRef(Marshal.GetIUnknownForObject(center));

            cssmanager = new WebKitDOMCSSManager(this);
            Marshal.AddRef(Marshal.GetIUnknownForObject(cssmanager));

            undoManager = new CustomUndoSystem(this);

            appearance = new AppearanceSettings(this);

            observer = new WebNotificationObserver();

            webView.setHostWindow(this.Handle.ToInt32());
            ((WebViewClass)webView).setPolicyDelegate(policyDelegate);
            webView.setFrameLoadDelegate(frameLoadDelegate);
            webView.setResourceLoadDelegate(resourcesLoadDelegate);
            webView.setDownloadDelegate(downloadDelegate);
            webView.setUIDelegate(uiDelegate);

            tagRECT rect = new tagRECT();
            rect.top = rect.left = 0;
            rect.bottom = this.Height - 1;
            rect.right = this.Width - 1;
            webView.initWithFrame(rect, null, null);

            IWebViewPrivate webViewPrivate = (IWebViewPrivate)webView;
            webViewHWND = (IntPtr)webViewPrivate.viewWindow();

            webViewPrivate.setFormDelegate(formDelegate);

            // Subscribe to FrameLoadDelegate events
            ((WebFrameLoadDelegate)frameLoadDelegate).DidRecieveTitle += new DidRecieveTitleEvent(frameLoadDelegate_DidRecieveTitle);
            ((WebFrameLoadDelegate)frameLoadDelegate).DidFinishLoadForFrame += new DidFinishLoadForFrameEvent(frameLoadDelegate_DidFinishLoadForFrame);
            ((WebFrameLoadDelegate)frameLoadDelegate).DidStartProvisionalLoadForFrame += new DidStartProvisionalLoadForFrameEvent(frameLoadDelegate_DidStartProvisionalLoadForFrame);
            ((WebFrameLoadDelegate)frameLoadDelegate).DidCommitLoadForFrame += new DidCommitLoadForFrameEvent(frameLoadDelegate_DidCommitLoadForFrame);
            ((WebFrameLoadDelegate)frameLoadDelegate).DidFailLoadWithError += new DidFailLoadWithErrorEvent(frameLoadDelegate_DidFailLoadWithError);
            ((WebFrameLoadDelegate)frameLoadDelegate).DidFailProvisionalLoadWithError += new DidFailProvisionalLoadWithErrorEvent(frameLoadDelegate_DidFailProvisionalLoadWithError);
 #if DEBUG || RELEASE
            ((WebFrameLoadDelegate)frameLoadDelegate).WindowScriptObjectAvailable += new WindowScriptObjectAvailableEvent(WebKitBrowser_WindowScriptObjectAvailable);
            ((WebFrameLoadDelegate)frameLoadDelegate).DidClearWindowObject += new DidClearWindowObjectEvent(WebKitBrowser_DidClearWindowObject);
#endif
            // DownloadDelegate events            
            
            downloadDelegate.DecideDestinationWithSuggestedFilename += new DecideDestinationWithSuggestedFilenameEvent(downloadDelegate_DecideDestinationWithSuggestedFilename);
            downloadDelegate.DidBegin += new DidBeginEvent(downloadDelegate_DidBegin);

            
            // UIDelegate events
            uiDelegate.CreateWebViewWithRequest += new CreateWebViewWithRequestEvent(uiDelegate_CreateWebViewWithRequest);
            uiDelegate.CloseWindowRequest += new CloseWindowRequest(uiDelegate_CloseWindowRequest);
            uiDelegate.StatusTextChanged += new StatusTextChangedEvent(uiDelegate_StatusTextChanged);
            uiDelegate.RunJavaScriptAlertPanelWithMessage += new RunJavaScriptAlertPanelWithMessageEvent(uiDelegate_RunJavaScriptAlertPanelWithMessage);
            uiDelegate.RunJavaScriptConfirmPanelWithMessage += new RunJavaScriptConfirmPanelWithMessageEvent(uiDelegate_RunJavaScriptConfirmPanelWithMessage);
            uiDelegate.RunJavaScriptTextInputPanelWithPrompt += new RunJavaScriptTextInputPanelWithPromptEvent(uiDelegate_RunJavaScriptTextInputPanelWithPrompt);
            uiDelegate.RunJavaScriptPromptBeforeUnload += new RunJavaScriptPromptBeforeUnload(uiDelegate_RunJavaScriptPromptBeforeUnload);
            uiDelegate.MouseDidMoveOverElement += new MouseDidMoveOverElement(uiDelegate_UpdateCurrentElement);
            uiDelegate.GeolocationReq += new AllowGeolocationRequest(uiDelegate_GeolocationReq);
            // FormDelegate Events
            formDelegate.SubmitForm += new SubmitForm(formDelegate_SubmitForm);
            formDelegate.TextChangedInArea += new TextChangedInArea(formDelegate_TextChangedInArea);
            formDelegate.TextChangedInField += new TextChangedInField(formDelegate_TextChangedInField);
            formDelegate.TextFieldBeginEditing += new TextFieldBeginEditing(formDelegate_TextFieldBeginEditing);
            formDelegate.TextFieldEndEditing += new TextFieldEndEditing(formDelegate_TextFieldEndEditing);
            
            // ResourcesLoadDelegate
            resourcesLoadDelegate.PluginFailed += new PluginFailedWithError(resourcesLoadDelegate_PluginFailed);
            resourcesLoadDelegate.ResourceLoaded += new ResourceFinishedLoading(resourcesLoadDelegate_ResourceLoaded);
            resourcesLoadDelegate.ResourceLoading += new ResourceStartedLoading(resourcesLoadDelegate_ResourceLoading);
            resourcesLoadDelegate.ResourceSizeAvailable += new ResourceSizeAvailableEventHandler(resourcesLoadDelegate_ResourceProgress);
            resourcesLoadDelegate.ResourceRequestSent += new ResourceRequest(resourcesLoadDelegate_ResourceRequestSent);
            resourcesLoadDelegate.ResourceFailedLoading += new ResourceFailed(resourcesLoadDelegate_ResourceFailedLoading);
//.........这里部分代码省略.........

 //填充外边框颜色变化响应事件
 private void cbOutlineColor_MouseUp(object sender, MouseEventArgs e)
 {
     IRgbColor pColor = new RgbColor();
     pColor.RGB = 255;
     tagRECT ptagRECT = new tagRECT();
     ptagRECT.left = cbOutlineColor.PointToScreen(System.Drawing.Point.Empty).X;
     ptagRECT.bottom = cbOutlineColor.PointToScreen(System.Drawing.Point.Empty).Y + cbOutlineColor.Height;
     IColorPalette pColorPalette = new ColorPalette();
     pColorPalette.TrackPopupMenu(ref ptagRECT, pColor, false, 0);
     pColor = pColorPalette.Color as IRgbColor;
     Color color = Color.FromArgb(pColor.Red, pColor.Green, pColor.Blue);
     //btOutlineColor.BackColor = color;
     cbOutlineColor.BackColor = color;
     ILineSymbol pLineSymbol = ((IFillSymbol)pStyleGalleryItem.Item).Outline;
     pLineSymbol.Color = pColor;
     ((IFillSymbol)pStyleGalleryItem.Item).Outline = pLineSymbol;
     PreviewPicture();
 }

		public override void OnMouseDown(int Button, int Shift, int X, int Y)
        {
            IMap map;
            IPoint clickedPoint = m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y);

            //If ActiveView is a PageLayout 
            if (m_hookHelper.ActiveView is IPageLayout)
            {
                //See whether the mouse has been clicked over a Map in the PageLayout 
                map = m_hookHelper.ActiveView.HitTestMap(clickedPoint);

                //If mouse click isn't over a Map exit 
                if (map == null)
                    return; 


                //Ensure the Map is the FocusMap 
                if ((!object.ReferenceEquals(map, m_hookHelper.FocusMap)))
                {
                    m_hookHelper.ActiveView.FocusMap = map;
                    m_hookHelper.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
                }

                //Still need to convert the clickedPoint into map units using the map's IActiveView 
                clickedPoint = ((IActiveView)map).ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y);
            }

            else //Or ActiveView is a Map 
            {
                map = m_hookHelper.FocusMap;
            }

            IActiveView activeView = (IActiveView)map;
            IRubberBand rubberEnv = new RubberEnvelopeClass();
            IGeometry geom = rubberEnv.TrackNew(activeView.ScreenDisplay, null);
            IArea area = (IArea)geom;

            //Extra logic to cater for the situation where the user simply clicks a point on the map 
            //or where envelope is so small area is zero 
            if ((geom.IsEmpty == true) || (area.Area == 0))
            {

                //create a new envelope 
                IEnvelope tempEnv = new EnvelopeClass();

                //create a small rectangle 
                ESRI.ArcGIS.esriSystem.tagRECT RECT = new tagRECT();
                RECT.bottom = 0;
                RECT.left = 0;
                RECT.right = 5;
                RECT.top = 5;

                //transform rectangle into map units and apply to the tempEnv envelope 
                IDisplayTransformation dispTrans = activeView.ScreenDisplay.DisplayTransformation;
                dispTrans.TransformRect(tempEnv,ref RECT, 4); //4 = esriDisplayTransformationEnum.esriTransformToMap)
                tempEnv.CenterAt(clickedPoint);
                geom = (IGeometry)tempEnv;
            }

            //Set the spatial reference of the search geometry to that of the Map 
            ISpatialReference spatialReference = map.SpatialReference;
            geom.SpatialReference = spatialReference;

            map.SelectByShape(geom, null, false);
            activeView.PartialRefresh(esriViewDrawPhase.esriViewGeoSelection, null, activeView.Extent);
        } 

 public static extern void SendMessage(HandleRef hWnd, uint msg,
     IntPtr wParam, ref tagRECT lParam);

 public static extern bool GetClientRect(IntPtr hWnd, out tagRECT lpRect);

        public tagRECT webViewPrintingMarginRect(WebView WebView)
        {
            PageSettings settings = owner.PageSettings;

            // WebKit specifies margins in 1000ths of an inch. (???)
            // PrinterResolution.Y returns 0 for some reason,
            // on Adobe distiller anyway, so we'll use X for the moment.
            int dpi = settings.PrinterResolution.X;
            int marginLeft = settings.Margins.Left;
            int marginRight = settings.Margins.Right;
            int marginTop = settings.Margins.Top;
            int marginBottom = settings.Margins.Bottom;

            int pageWidth = settings.PaperSize.Width;
            int pageHeight = settings.PaperSize.Height;

            // TODO: find out what these are actually supposed to be
            // the x10 and x20 are completely arbitrary, based on
            // what I found fits an A4 portrait page with 1 inch
            // margins...
            tagRECT rect = new tagRECT();
            rect.left = marginLeft;
            rect.top = marginTop;
            rect.right = marginRight * 10;
            rect.bottom = marginBottom * 20;
            return rect;

            /*rect.left = 20;
            rect.top = 20;
            rect.right = 400;
            rect.bottom = 400;
            return rect;*/
        }

        //点、线、面填充颜色变化响应事件
        private void cbColor_MouseUp(object sender, MouseEventArgs e)
        {
            IRgbColor pColor = new RgbColor();　　　　//颜色实例
            pColor.RGB = 255;
            tagRECT pTag = new tagRECT();　　　　//用于下面显示 ColorPalette 的位置
            pTag.left = cbColor.PointToScreen(System.Drawing.Point.Empty).X;　　　　　　　　　　　　//按钮控件的左边全局横坐标
            pTag.bottom = cbColor.PointToScreen(System.Drawing.Point.Empty).Y + cbColor.Height;　　//按钮控件的下边全局纵坐标
            IColorPalette pColorPalette = new ColorPalette();
            pColorPalette.TrackPopupMenu(ref pTag, pColor, false, 0);　　   //显示 ColorPalette
            pColor = pColorPalette.Color as IRgbColor;　　　　　　　　　　//获取选中的颜色
            Color color = Color.FromArgb(pColor.Red, pColor.Green, pColor.Blue);　　//将颜色转为 C# 颜色
            btColor.BackColor = color;
            cbColor.BackColor = color;

            switch (((IFeatureLayer)pLayer).FeatureClass.ShapeType)　　//判断几何体样式
            {
                case esriGeometryType.esriGeometryPoint:　　　　　　　　　　//点
                    ((IMarkerSymbol)pStyleGalleryItem.Item).Color = pColor;　　//转为 IMarkerSymbol，注意改好后要在图片上显示
                    PreviewPicture();
                    break;
                case esriGeometryType.esriGeometryPolyline:　　　　　　　　//线
                    ((ILineSymbol)pStyleGalleryItem.Item).Color = pColor;　　//转为 ILineSymbol
                    PreviewPicture();
                    break;
                case esriGeometryType.esriGeometryPolygon:　　　　　　//面
                    ((IFillSymbol)pStyleGalleryItem.Item).Color = pColor;　　//转为 IFillSymbol
                    PreviewPicture();
                    break;
                default:
                    break;
            }
        }

 public void drawBackground(WebView sender, int hDC, ref tagRECT dirtyRect)
 {
     
 }

        /// <summary>
        /// Create Bitmap From ESRI Dataset
        /// </summary>
        /// <param name="dataset">Dataset to generate an image from</param>
        /// <param name="imageFormat">Output image format</param>
        /// <param name="size">Size of output image</param>
        /// <param name="resolution">Resolution of output image (dpi)</param>
        /// <param name="background">Background color</param>
        /// <param name="filename">Ouput filename</param>
        public static void CreateBitmap(IDataset dataset, esriImageFormat imageFormat, Size size, ushort resolution, Color background, string filename) {
            ILayer layer = null;

            switch (dataset.Type) {
                case esriDatasetType.esriDTFeatureClass:
                    IFeatureClass featureClass = (IFeatureClass)dataset;
                    switch (featureClass.FeatureType) {
                        case esriFeatureType.esriFTDimension:
                            layer = new DimensionLayerClass();
                            break;
                        case esriFeatureType.esriFTAnnotation:
                            layer = new FeatureLayerClass();
                            IGeoFeatureLayer geoFeaureLayer = (IGeoFeatureLayer)layer;
                            geoFeaureLayer.DisplayAnnotation = true;
                            break;
                        case esriFeatureType.esriFTComplexEdge:
                        case esriFeatureType.esriFTComplexJunction:
                        case esriFeatureType.esriFTSimple:
                        case esriFeatureType.esriFTSimpleEdge:
                        case esriFeatureType.esriFTSimpleJunction:
                            layer = new FeatureLayerClass();
                            break;
                    }
                    if (layer == null) { return; }

                    IFeatureLayer featureLayer = (IFeatureLayer)layer;
                    featureLayer.FeatureClass = featureClass;

                    break;
                case esriDatasetType.esriDTRasterDataset:
                    layer = new RasterLayerClass();
                    IRasterLayer rasterLayer = (IRasterLayer)layer;
                    rasterLayer.CreateFromDataset((IRasterDataset)dataset);
                    break;
                default:
                    string message = string.Format("[{0}] is not supported", dataset.Type.ToString());
                    throw new Exception(message);
            }
            if (layer == null) { return; }

            // Create In-memory Map
            IMap map = new MapClass();
            map.AddLayer(layer);
            IActiveView activeView = (IActiveView)map;
            IExport export = null;
            tagRECT rect = new tagRECT();

            // Set Format Specific Properties
            switch (imageFormat) {
                case esriImageFormat.esriImageJPG:
                    export = new ExportJPEGClass();
                    IExportJPEG exportJpeg = (IExportJPEG)export;
                    exportJpeg.ProgressiveMode = false;
                    exportJpeg.Quality = 100;

                    break;
                default:
                    throw new Exception("[" + imageFormat.ToString() + "] is not supported");
            }
            if (export == null) {
                throw new Exception("Failed to Created Exporter");
            }

            // Set Background
            if ((export is IExportBMP) ||
                (export is IExportGIF) ||
                (export is IExportJPEG) ||
                (export is IExportPNG) ||
                (export is IExportTIFF)) {
                IExportImage exportImage = (IExportImage)export;
                exportImage.ImageType = esriExportImageType.esriExportImageTypeTrueColor;
                exportImage.BackgroundColor = GeodatabaseUtility.ToESRIColor(background);
            }

            // Set Export Frame
            rect = activeView.ExportFrame;
            rect.left = 0;
            rect.top = 0;
            rect.right = size.Width;
            rect.bottom = size.Height;

            // Set Output Extent
            IEnvelope envelope = new EnvelopeClass();
            envelope.PutCoords(rect.left, rect.top, rect.right, rect.bottom);
            export.PixelBounds = envelope;
            export.Resolution = resolution;
            export.ExportFileName = filename;

            // Export map to image
            int intHdc = export.StartExporting();
            activeView.Output(intHdc, resolution, ref rect, null, null);
//.........这里部分代码省略.........

        private void InitializeWebKit()
        {
            activationContext.Activate();

            frameLoadDelegate = new WebFrameLoadDelegate();
            Marshal.AddRef(Marshal.GetIUnknownForObject(frameLoadDelegate));

            downloadDelegate = new WebDownloadDelegate();
            Marshal.AddRef(Marshal.GetIUnknownForObject(downloadDelegate));

            policyDelegate = new WebPolicyDelegate(AllowNavigation, AllowDownloads, AllowNewWindows);
            Marshal.AddRef(Marshal.GetIUnknownForObject(policyDelegate));

            uiDelegate = new WebUIDelegate(this);
            Marshal.AddRef(Marshal.GetIUnknownForObject(uiDelegate));

            webNotificationCenter = new WebNotificationCenter();
            Marshal.AddRef(Marshal.GetIUnknownForObject(webNotificationCenter)); // TODO: find out if this is really needed
            webNotificationObserver = new WebNotificationObserver();
            webNotificationCenter.defaultCenter().addObserver(webNotificationObserver, "WebProgressEstimateChangedNotification", webView);
            webNotificationCenter.defaultCenter().addObserver(webNotificationObserver, "WebProgressStartedNotification", webView);
            webNotificationCenter.defaultCenter().addObserver(webNotificationObserver, "WebProgressFinishedNotification", webView);

            webView.setPolicyDelegate(policyDelegate);
            webView.setFrameLoadDelegate(frameLoadDelegate);
            webView.setDownloadDelegate(downloadDelegate);
            webView.setUIDelegate(uiDelegate);

            webView.setHostWindow(this.host.Handle.ToInt32());

            tagRECT rect = new tagRECT();
            rect.top = rect.left = 0;
            rect.bottom = this.host.Height - 1;
            rect.right = this.host.Width - 1;
            webView.initWithFrame(rect, null, null);

            IWebViewPrivate webViewPrivate = (IWebViewPrivate)webView;
            webViewHWND = (IntPtr)webViewPrivate.viewWindow();

            // Subscribe to FrameLoadDelegate events
            frameLoadDelegate.DidRecieveTitle += new DidRecieveTitleEvent(frameLoadDelegate_DidRecieveTitle);
            frameLoadDelegate.DidFinishLoadForFrame += new DidFinishLoadForFrameEvent(frameLoadDelegate_DidFinishLoadForFrame);
            frameLoadDelegate.DidStartProvisionalLoadForFrame += new DidStartProvisionalLoadForFrameEvent(frameLoadDelegate_DidStartProvisionalLoadForFrame);
            frameLoadDelegate.DidCommitLoadForFrame += new DidCommitLoadForFrameEvent(frameLoadDelegate_DidCommitLoadForFrame);
            frameLoadDelegate.DidFailLoadWithError += new DidFailLoadWithErrorEvent(frameLoadDelegate_DidFailLoadWithError);
            frameLoadDelegate.DidFailProvisionalLoadWithError += new DidFailProvisionalLoadWithErrorEvent(frameLoadDelegate_DidFailProvisionalLoadWithError);
            frameLoadDelegate.DidClearWindowObject += new DidClearWindowObjectEvent(frameLoadDelegate_DidClearWindowObject);

            // DownloadDelegate events
            downloadDelegate.DidReceiveResponse += new DidReceiveResponseEvent(downloadDelegate_DidReceiveResponse);
            downloadDelegate.DidReceiveDataOfLength += new DidReceiveDataOfLengthEvent(downloadDelegate_DidReceiveDataOfLength);
            downloadDelegate.DecideDestinationWithSuggestedFilename += new DecideDestinationWithSuggestedFilenameEvent(downloadDelegate_DecideDestinationWithSuggestedFilename);
            downloadDelegate.DidBegin += new DidBeginEvent(downloadDelegate_DidBegin);
            downloadDelegate.DidFinish += new DidFinishEvent(downloadDelegate_DidFinish);
            downloadDelegate.DidFailWithError += new DidFailWithErrorEvent(downloadDelegate_DidFailWithError);

            // UIDelegate events
            uiDelegate.CreateWebViewWithRequest += new CreateWebViewWithRequestEvent(uiDelegate_CreateWebViewWithRequest);
            uiDelegate.RunJavaScriptAlertPanelWithMessage += new RunJavaScriptAlertPanelWithMessageEvent(uiDelegate_RunJavaScriptAlertPanelWithMessage);
            uiDelegate.RunJavaScriptConfirmPanelWithMessage += new RunJavaScriptConfirmPanelWithMessageEvent(uiDelegate_RunJavaScriptConfirmPanelWithMessage);
            uiDelegate.RunJavaScriptTextInputPanelWithPrompt += new RunJavaScriptTextInputPanelWithPromptEvent(uiDelegate_RunJavaScriptTextInputPanelWithPrompt);

            // Notification events
            webNotificationObserver.OnNotify += new OnNotifyEvent(webNotificationObserver_OnNotify);

            activationContext.Deactivate();
        }

        protected override void OnMouseDown(ESRI.ArcGIS.Desktop.AddIns.Tool.MouseEventArgs arg)
        {
            int X = arg.X;
            int Y = arg.Y;
            IMxApplication pMxApp = null;
            IMxDocument pMxDoc = null;
            pMxApp = (IMxApplication)ArcMap.Application;
            pMxDoc = (IMxDocument)ArcMap.Application.Document;

            // calculate tolerance rectangle to identify features inside it
            int Tolerance = 0;
            Tolerance = pMxDoc.SearchTolerancePixels;

            IDisplayTransformation pDispTrans = null;
            pDispTrans = pMxApp.Display.DisplayTransformation;
            tagRECT pToleranceRect = new tagRECT();
            pToleranceRect.left = X - Tolerance;
            pToleranceRect.right = X + Tolerance;
            pToleranceRect.top = Y - Tolerance;
            pToleranceRect.bottom = Y + Tolerance;

            IEnvelope pSearchEnvelope = null;
            pSearchEnvelope = new EnvelopeClass();
            pDispTrans.TransformRect(pSearchEnvelope, ref pToleranceRect, (int)(esriDisplayTransformationEnum.esriTransformPosition | esriDisplayTransformationEnum.esriTransformToMap));

            // identify feature points of measurement
            IBasicDocument pBasicDoc = null;
            pBasicDoc = (IBasicDocument)ArcMap.Application.Document;
            pSearchEnvelope.SpatialReference = pMxDoc.ActiveView.FocusMap.SpatialReference;

            IIdentify pIdentify = null;
            pIdentify = (IIdentify)pMxDoc.FocusMap.get_Layer(0);
            if (pIdentify == null)
            {
                MessageBox.Show("No layer");
                return;
            }

            IArray pIDArray = null;
            pIDArray = pIdentify.Identify(pSearchEnvelope);

            // get object from feature point
            IIdentifyObj pIDObj = null;
            if (pIDArray != null)
                pIDObj = (IIdentifyObj)pIDArray.get_Element(0);

            if (pIDObj == null)
            {
                MessageBox.Show("No feature was identified");
                return;
            }

            // get the name of the layer containing feature points
            ILayer pLayer = null;
            pLayer = pMxDoc.FocusMap.get_Layer(0);

            string layerName = null;
            layerName = pLayer.Name;

            // get primary display field for measurement values and set names of a date/time field and gage ID field
            IFeatureLayer pFeatLayer = null;
            pFeatLayer = (IFeatureLayer)pLayer;
            string dataFldName = null;
            string timefldName = null;
            string gageIDFldName = null;
            dataFldName = "TSValue";
            timefldName = "TSDateTime"; // substitute data/time field name for different dataset
            gageIDFldName = "Name"; // substitute gage ID field name for different dataset

            // get display table from layer
            ITable pTable = null;
            IDisplayTable pDisplayTable = null;
            pDisplayTable = (IDisplayTable)pLayer;
            if (pDisplayTable != null)
            {
                pTable = pDisplayTable.DisplayTable;
                if (pTable == null)
                    goto THEEND;
            }

            // get fields from display table
            IFields pFields = null;
            pFields = pTable.Fields;
            long fldCount = 0;
            fldCount = pFields.FieldCount;

            // create WHERE clause from identified objects of measurement points
            int gageIDFldIdx = 0;
            gageIDFldIdx = pFields.FindField(gageIDFldName);

            IRowIdentifyObject pRowIDObj = null;
            pRowIDObj = (IRowIdentifyObject)pIDObj;

            string gageID = null;
            gageID = (string)pRowIDObj.Row.get_Value(gageIDFldIdx);

            IFeatureLayerDefinition pFeatureLayerDef = null;
            pFeatureLayerDef = (IFeatureLayerDefinition)pLayer;
            string definitionExpression = null;
            definitionExpression = pFeatureLayerDef.DefinitionExpression;
//.........这里部分代码省略.........