chromium embedded - CefSharp.Wpf WebView cannot accept input and the link clicked no response -


i used cefsharp.wpf in application. version: 1.25.7.

i hosted webpage via cefsharp webview. can host webpage in it. textbox in webview cannot accept input, , hyperlink cannot response.

here code. created wpf usercontrol named webpageoemviewer.

xaml:

<usercontrol x:class="webpageoemviewer"              xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"              xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"               xmlns:d="http://schemas.microsoft.com/expression/blend/2008"               mc:ignorable="d"               d:designheight="300"               d:designwidth="300">     <grid x:name="mainzone">      </grid> </usercontrol>

code behind:

public partial class webpageoemviewer : usercontrol, irequesthandler     {         private webview browser;          public webpageoemviewer(string url)         {             initializecomponent();              cef.initialize(new settings { logseverity = logseverity.disable, packloadingdisabled = true });              var browsersettings = new browsersettings { applicationcachedisabled = true, pagecachedisabled = true };              browser = new webview(string.empty, browsersettings)             {                 address = url,                 requesthandler = this,                 background = brushes.white             };              browser.loadcompleted += browser_loadcompleted;              cefjsobjectprocessor processor = new cefjsobjectprocessor();              browser.registerjsobject("cefjsobject", processor);              mainzone.children.insert(0, browser);         }          public void view(string url)         {             if (browser.isbrowserinitialized)             {                 browser.visibility = visibility.hidden;                  browser.load(url);             }         }          public void close()         {             browser.dispose();              mainzone.children.remove(browser);         }          public static void shutdown()         {             thread.sleep(1000);              if (cef.isinitialized)             {                 cef.shutdown();             }         }          private void browser_loadcompleted(object sender, loadcompletedeventargs e)         {             dispatcher.invoke(new action(() =>             {                 browser.visibility = visibility.visible;             }));         }          #region irequesthandler          public bool getauthcredentials(iwebbrowser browser, bool isproxy, string host, int port, string realm, string scheme, ref string username, ref string password)         {             return false;         }          public bool getdownloadhandler(iwebbrowser browser, string mimetype, string filename, long contentlength, ref idownloadhandler handler)         {             return true;         }          public bool onbeforebrowse(iwebbrowser browser, irequest request, navigationtype naigationvtype, bool isredirect)         {             return false;         }          public bool onbeforeresourceload(iwebbrowser browser, irequestresponse requestresponse)         {             var headers = requestresponse.request.getheaders();              headers[constants.common.httpheaderfromkey] = constants.common.httpheaderfromvalue;              requestresponse.request.setheaders(headers);              return false;         }          public void onresourceresponse(iwebbrowser browser, string url, int status, string statustext, string mimetype, system.net.webheadercollection headers)         {          }          #endregion          internal class cefjsobjectprocessor         {             public event action<string> completed;              private void completedinfo(string parameter)             {                 if (completed != null)                 {                     completed(parameter);                 }             }         }     }  host usercontrol in window named filluserinfowindow  xaml:  <window x:class="filluserinfowindow"         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"         xmlns:lcmb="clr-namespace:fclassroom.presentation.controls.messageboxes"         title="填写基础信息"         windowstartuplocation="centerscreen"         width="770"         height="530"         loaded="filluserinfowindow_loaded">     <grid x:name="mainclient">      </grid> </window>  code behind:  public partial class filluserinfowindow : window     {         private webpageoemviewer _viewer;          private string _url = string.empty;          public filluserinfowindow()         {             initializecomponent();         }          public filluserinfowindow(string url)          {             _url = url;              initializecomponent();         }          private void filluserinfowindow_loaded(object sender, routedeventargs e)         {             button closebutton = this.template.findname("closebutton", this) button;              closebutton.click += closebutton_click;              if(_viewer != null)             {                 _viewer.visibility = visibility.visible;             }              loadwebpage(_url);         }          private void closebutton_click(object sender, routedeventargs e)         {             shutdown();              close();         }          protected override void onmouseleftbuttondown(mousebuttoneventargs e)         {             dragmove();              base.onmouseleftbuttondown(e);         }          private void loadwebpage(string url)         {             application.current.dispatcher.invoke(new action(() => {                  if (_viewer == null)                 {                     _viewer = new webpageoemviewer(url);                      mainclient.children.insert(0, _viewer);                 }                  _viewer.visibility = visibility.visible;                  _viewer.view(url);              }));          }          public void shutdown()         {             if(_viewer != null)             {                 _viewer.close();             }         }     }

the webpage shown in window. search box , hyperlinks no response. tried latest cefsharp.wpf. both cannot work.

string address = "http://www.bing.com";  filluserinfowindow fills = new filluserinfowindow(address);  fills.showdialog();

you can reproduce issue code above. time.

finally, got answer https://github.com/cefsharp/cefsharp/issues/1080#issuecomment-111969127

i sorry post duplicate thread online.

with amaitland's help. resolved issue. we needed remove onmouseleftbuttondown method.

thanks time.


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