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[Problem/Bug]: The WebView2CompositionControl throws a System.PlatformNotSupportedException with .NET 8

1

### What happened? In the 1.0.2646-prerelease the Wpf Microsoft.Web.WebView2.Wpf.WebView2CompositionControl throws a System.PlatformNotSupportedException. System.PlatformNotSupportedException: Operation is not supported on this platform. (0x80131539) at Microsoft.Web.WebView2.Wpf.WebView2CompositionControl.WebView2CompositionControl_Loaded(Object sender, RoutedEventArgs e) at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs...

cmiles

Why does the WebView2 for .NET provide the CoreWebView2CompositionController but dose not implement its interfaces?

1

### Describe the feature/enhancement you need Previously, I developed a WinForm user interface framework called NanUI, which can use HTML/CSS/JS to desgin the user interface of the application. It can...

XuanchenLin

[Problem/Bug]: OnKeyDown event not received when typing keys "p", "o", "i" on PDFViewer

4

### What happened? When I open a pdf file on webview 2, I want to block users from using Ctrl + P to print. The OnKeyDown event doesn't recognize the...

thanhbao1996

[Feature]: Allow ShortcutKeyDescription to be Set on CoreWebView2ContextMenuItem

2

### Describe the feature/enhancement you need I'm currently working on a WPF application where I need to override the context menu. This has been fairly straightforward so far, but I...

NeonBits

Control flicks a lot and cpu gets very high due to excessive paint messages - WS_EX_COMPOSITED

17

**Description** Windows WM_PAINT messages are consecutively being sent (infinite loop) when the top parent window uses the WS_EX_COMPOSITED extended style. The problem is demonstrated in this post: https://stackoverflow.com/questions/65713336/c-sharp-excessive-repainting-of-webview2-control-after-applying-nativewinapi-sty/66678044#66678044 It has...

topozepe

Hide scrollbars in WebView2

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How would I hide scrollbars in WebView2, like with classic WebBrowser you set `ScrollBarsEnabled=false`? WinForms, C# [AB#26488166](https://microsoft.visualstudio.com/90b2a23c-cab8-4e7c-90e7-a977f32c1f5d/_workitems/edit/26488166)

jpalo

[Problem/Bug]: My Construct 3 game does not work on Xbox.

43

### What happened? Since WebView2 released on Xbox I tried to port my game made using Construct 3 for it. It always worked fine on PC, and still does, but...

Pedro1234-code

Bug: Empty Referrer when opening link in new window

3

### What happened? When a link is opened in the same window or automatically in a new window (i.e. `target="_blank"`), then the referrer will be available for the opened page,...

gkerenyi

When using Webview2 in WPF, unable to overlay WPF controls on the Webview

158

Webview2 is topmost and any WPF controls are hidden behind the webview2 component. Tried setting the Z index without any success. Should be able to set visibility level by the...

ChrisPulman

[Problem/Bug]: CoInitialize has not been called when creating Edge Webview2 environment

9

### What happened? Our WPF app uses Edge Webview , however in few machines and intermittently when creating EdgeWebview environment we see below exception One or more errors occurred. (CoInitialize...

RSN1907