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Questions tagged [webview2]

Use the tag for the questions about Microsoft Edge WebView2 control. For current issues check https://github.com/MicrosoftEdge/WebView2Feedback/issues

Microsoft Edge WebView2 control uses Microsoft Edge (Chromium) as the rendering engine.

It can be used in Win32 C++ or .NET (WPF or WinForms) and WinUI 3 applications.

For further information, see the WebView2 documentation or the WebView2 feedback project for bugs and feature requests.

727 questions
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Why my coreWebView2 which is object of webView2 is null?

I am creating a object of Microsoft.Web.WebView2.WinForm.WebView2 but the sub obect of this coreWebView2 is null Microsoft.Web.WebView2.WinForm.WebView2 webView = new Microsoft.Web.WebView2.WinForm.WebView2() // Change some GUI properties of…
Abbas Tambawala
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How to fix msedgewebview2 error in VS2022 when admin?

I have installed the relatively fresh Visual Studio 2022 on a Windows installation. The work I do often requires administrative privileges (local IIS). To do this I have two users, one 'normal' account that is logged in to Windows and one…
pekaaw
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WebView2 EnsureCoreWebView2Async never returns

In my WPF application I need to show an html string, and I know that I need to call EnsureCoreWebView2Async method before calling NavigateToString because otherwise the CoreWebView will be null and I would have an exception. The problem is that…
Daniele Armanasco
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Set Cache directory for WebView2

I am using WebView2 in WPF control to host the new edge. In my code, I want to cache the cookie and browser specific data to a cache directory. The cache location should be set in the CoreWebView2EnvironmentOptions when creating the…
DotNetSpartan
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9 answers

Microsoft Edge WebView2 - Sample crashes on Load

I took the latest version of Microsoft.Web.WebView2 (0.9.515-prerelease) and added to a test C# WinForms application. Am using VS 2019, .NET framework is 4.7.2. Placed the WebView2 control on a form, compiled and ran. The application crashed on…
Krishnan V S
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CefSharp vs WebView2

I'm considering moving a project from cef (CefSharp) to WebView2 WPF. My preliminary tests shows that WebView2 API have the interface I need for this port. I am afraid that I can miss something that can prevent me from switching to WebView2 and I'll…
ekalchev
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How do I use WebView2 in a console application

string text = "return 'test';"; var webView = new Microsoft.Web.WebView2.WinForms.WebView2(); webView.EnsureCoreWebView2Async(null).RunSynchronously(); var srun = webView.CoreWebView2.ExecuteScriptAsync(text); When I run the above code…
Aaron Fischer
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How to prevent WebView2(Edge based) to open a new window

Inside Webview2 when I open a new tab, a new window outside WindowsForms is open. I want to prevent this window to Open, how can I do that?
Tiago Gomes
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4 answers

Detect if WebView2 is installed on clients machine (VB.NET)

I am looking for a way to detect if WebView2 runtime is installed on the clients machines so that i can display using the old ie browser instead if they don't have it installed. I am using VB.NET. Thanks
Tom Knevitt
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WebView2 how to load local file?

I have a WebView2 control in my WinForm .NET Framework 4.7.2, how can i load inside it my local html file? I was trying to set the .Source with file:// extention but nothing... Here is what i've tryed: private void Form1_Load(object sender,…
Kasper Juner
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10
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3 answers

Print functionality in WebView2 control

Thanks in Advance ! In my application, I have embedded a WebView2 control inside a WPF usercontrol. Is there anyway or a workaround that can help me to take a print of the WebView2 control ? I identified that the current WebView2 pre-release SDK…
DotNetSpartan
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4 answers

VB.Net Webview2 How can I get html source code?

I sucessfully display a web site on WebView2 in my VB.net (Visual Studio 2017) project but can not get html souce code. Please advise me how to get html code. My code: Private Sub testbtn_Click(sender As Object, e As EventArgs) Handles…
Tom
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How can I use the Microsoft Edge WebView2 control in C# windows application

How can I use the Microsoft Edge WebView2 control in C# windows application using Visual Studio?
Prasad-yadav
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9
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3 answers

Hide or modify the toolbar of Webview2 when viewing pdf

I am using the new Webview2 control to render Pdf files in my WPF application. This is working well but I would like to customize the toolbar to hide for example the save buttons on some criteria. I did not find methods or properties to do that…
Alex R
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WebView2 (2020/06) -> Where's the DOM?

I moved a sort of working Excel VBA app that automated IE as part of a web-scraping and order placing system I wrote for my wife who was spending hours tortured by the 90's style Usborne Children Books Consultant Portal to a C#/Windows…
user7806247
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