C# tagRECT类代码示例

        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;*/
        }