Ejemplo n.º 1
0
 public void Stop()
 {
     if (htmlViewHandle != IntPtr.Zero)
     {
         WebBrowserAPI.SendMessage(htmlViewHandle, WebBrowserAPI.DTM_STOP, 0, 0);
     }
 }
Ejemplo n.º 2
0
        public void SetScrolPosition(int value)
        {
            WebBrowserAPI.SCROLLINFO lpScrollInfo = new WebBrowserAPI.SCROLLINFO();
            lpScrollInfo.cbSize = (uint)System.Runtime.InteropServices.Marshal.SizeOf(lpScrollInfo);
            lpScrollInfo.fMask  = WebBrowserAPI.SIF_POS;
            lpScrollInfo.nPos   = value;
            WebBrowserAPI.SetScrollInfo(htmlViewHandle, WebBrowserAPI.SB_VERT, ref lpScrollInfo, true);

            Rectangle update = new Rectangle();

            WebBrowserAPI.GetClientRect(htmlViewHandle, ref update);
            WebBrowserAPI.ScrollWindowEx(htmlViewHandle, 0, -(value), 0, 0, IntPtr.Zero, update, WebBrowserAPI.SW_ERASE | WebBrowserAPI.SW_INVALIDATE);
        }
Ejemplo n.º 3
0
        protected override void OnParentChanged(EventArgs e)
        {
            base.OnParentChanged(e);

            var style = (int)(WebBrowserAPI.WS_VISIBLE | WebBrowserAPI.WS_TABSTOP | WebBrowserAPI.WS_CHILD | WebBrowserAPI.HS_NOSELECTION);

            htmlViewHandle = WebBrowserAPI.CreateWindowEx(0, "DISPLAYCLASS", null, style, 0, 0, Width, Height, Handle,
                                                          IntPtr.Zero, IntPtr.Zero, IntPtr.Zero);
            //WmApi.SendMessage(htmlViewHandle, WmApi.DTM_ENABLECONTEXTMENU, 0, 1);

            hwnd       = Handle;
            newWndProc = new WndProcDelegate(NewWndProc);
            oldWndProc = WebBrowserAPI.GetWindowLong(hwnd, WebBrowserAPI.GWL_WNDPROC);
            int success = WebBrowserAPI.SetWindowLong(hwnd, WebBrowserAPI.GWL_WNDPROC, newWndProc);
        }
Ejemplo n.º 4
0
        private IntPtr NewWndProc(IntPtr hWnd, uint msg, IntPtr wParam, IntPtr lParam)
        {
            switch (msg)
            {
            case WebBrowserAPI.WM_NOTIFY:
                WebBrowserAPI.NmHdr n = WebBrowserAPI.NmHdr.GetStruct(lParam);
                switch (n.code)
                {
                case WebBrowserAPI.NM_INLINE_IMAGE:
                    OnInlineObject(WebBrowserAPI.NM_INLINE_IMAGE, WebBrowserAPI.HtmlViewMessage.GetStruct(lParam));
                    break;

                case WebBrowserAPI.NM_BEFORENAVIGATE:
                    OnBeforeNavigate(WebBrowserAPI.HtmlViewMessage.GetStruct(lParam));
                    break;

                case WebBrowserAPI.NM_NAVIGATECOMPLETE:
                    OnNavigateComplete(WebBrowserAPI.HtmlViewMessage.GetStruct(lParam));
                    break;

                case WebBrowserAPI.NM_DOCUMENTCOMPLETE:
                    OnDocumentComplete(WebBrowserAPI.HtmlViewMessage.GetStruct(lParam));
                    break;

                //case WebBrowserAPI.NM_CONTEXTMENU:
                //    WebBrowserAPI.HtmlContextMessage hcm = WebBrowserAPI.HtmlContextMessage.GetStruct(lParam);
                //    string lnk = hcm.linkHREF;
                //    string tit = hcm.linkName;
                //    System.Drawing.Point pt = hcm.pt;
                //    OnContextMenu(hcm);
                //    break;
                case WebBrowserAPI.NM_HOTSPOT:
                    if (OnHotSpotClicked(WebBrowserAPI.HtmlViewMessage.GetStruct(lParam)))
                    {
                        // return not zero value to not let pass message to the parent control
                        return(new IntPtr(1));
                    }
                    break;
                }
                break;
            }

            return(WebBrowserAPI.CallWindowProc(oldWndProc, hWnd, msg, wParam, lParam));
        }
Ejemplo n.º 5
0
        public void Navigate(string url)
        {
            Stop();

            if (url == null || url.Trim().Length == 0)
            {
                return;
            }

            //if (!String.IsNullOrEmpty(SpecialUrlParams))
            //{
            //    if (url.IndexOf('?') > 0)
            //        url += "&" + SpecialUrlParams;
            //    else
            //        url += "?" + SpecialUrlParams;
            //}

            _url = new Uri(url);
            WebBrowserAPI.SendMessage(htmlViewHandle, WebBrowserAPI.DTM_NAVIGATE, WebBrowserAPI.NAVIGATEFLAG_NOCACHE, url);
        }
Ejemplo n.º 6
0
        protected override void OnHandleDestroyed(EventArgs e)
        {
            Stop();

            base.OnHandleDestroyed(e);

            if (oldWndProc != IntPtr.Zero && hwnd != IntPtr.Zero)
            {
                WebBrowserAPI.SetWindowLong(hwnd, WebBrowserAPI.GWL_WNDPROC, oldWndProc);
            }

            Marshal.Release(htmlViewHandle);
            if (htmlViewHandle != IntPtr.Zero)
            {
                if (WebBrowserAPI.DestroyWindow(htmlViewHandle))
                {
                    htmlViewHandle = IntPtr.Zero;
                    GC.Collect();
                }
            }
        }
Ejemplo n.º 7
0
 public WebBrowserEx()
 {
     InitializeComponent();
     WebBrowserAPI.InitializeHtmlView();
 }
Ejemplo n.º 8
0
 public void SetScrollAnchor(string anchor)
 {
     WebBrowserAPI.SendMessage(htmlViewHandle, WebBrowserAPI.DTM_ANCHORW, 0, anchor);
 }
Ejemplo n.º 9
0
 public void SetScrollEnd()
 {
     WebBrowserAPI.SendMessage(htmlViewHandle, WebBrowserAPI.WM_VSCROLL, WebBrowserAPI.SB_BOTTOM, 0);
 }
Ejemplo n.º 10
0
        private void OnNavigateComplete(WebBrowserAPI.HtmlViewMessage message)
        {
            //string url = UnicodeToUtf8(message.target);
            //if (url.Substring(0, 5) == "http:")
            //{
            //    Stop();
            //    Navigate(_url.ToString());
            //    return;
            //}

            if (NavigateComplete != null)
            {
                NavigateComplete(message);
            }
        }
Ejemplo n.º 11
0
 private void OnInlineObject(int notifyCode, WebBrowserAPI.HtmlViewMessage htmlViewMessage)
 {
     if (ShowWaitCursorWhileLoading)
         Cursor.Current = Cursors.WaitCursor;
 }
Ejemplo n.º 12
0
        /// <summary>
        /// 
        /// </summary>
        /// <param name="msg"></param>
        /// <returns>true if message was processed</returns>
        private bool OnHotSpotClicked(WebBrowserAPI.HtmlViewMessage msg)
        {
            Stop();

            if (msg.target == null)
                return true;

            try
            {
                string escapedUrl = Uri.EscapeUriString(PrepareUrl(UnicodeToUtf8(msg.target)));
                string target = null;

                int idig = escapedUrl.IndexOf('#');
                if (idig > -1)
                {
                    target = escapedUrl.Substring(idig, escapedUrl.Length - idig);
                    escapedUrl = escapedUrl.Substring(0, idig);
                }

                Uri uri = null;
                try
                {
                    uri = new Uri(escapedUrl);
                }
                catch (UriFormatException)
                { }

                if (uri == null || String.IsNullOrEmpty(uri.Host))
                {
                    try
                    {
                        uri = new Uri(_url, escapedUrl);
                    }
                    catch (UriFormatException)
                    { }
                }

                string postdata = null;
                if (msg.data != null && msg.data.Length > 0)
                    postdata = UnicodeToUtf8(msg.data);
                WebBrowserNavigatingExEventArgs e = new WebBrowserNavigatingExEventArgs(uri, target, postdata);
                if (Navigating != null)
                {
                    Navigating(this, e);

                    if (!e.Cancel)
                        return false;
                }
            }
            catch (UriFormatException)
            {
                return true;
            }
            catch (Exception)
            {
                return true;
            }
            return true;
        }
Ejemplo n.º 13
0
        private void OnDocumentComplete(WebBrowserAPI.HtmlViewMessage message)
        {
            Debug.WriteLine("WebBrowser.OnDocumentComplete");
            if (ShowWaitCursorWhileLoading)
                Cursor.Current = Cursors.Default;

            if (DocumentComplete != null)
            {
                DocumentComplete(message);

                //Из за увеличения размеров при VGA в браузере вручную ставим в 0
                //if(ListViewSettings.Current.ScreenDPI >= 192)
                //    ZoomLevel = 0;
            }
        }
Ejemplo n.º 14
0
        //private void OnContextMenu(WebBrowserAPI.HtmlContextMessage message)
        //{
        //    string lnk = message.linkHREF;
        //    string tit = message.linkName;
        //}
        private void OnBeforeNavigate(WebBrowserAPI.HtmlViewMessage message)
        {
            if (ShowWaitCursorWhileLoading)
                Cursor.Current = Cursors.WaitCursor;

            if (BeforeNavigate != null)
            {
                BeforeNavigate(message);
            }
        }
Ejemplo n.º 15
0
        private void ViewWebBrowserDocumentComplete(WebBrowserAPI.HtmlViewMessage message)
        {
            ActivateMenuButtons();

            ViewData["DocumentCompleteUrl"] = message.Url;
            OnViewStateChanged("DocumentCompleted");
        }