MicrosoftEdge / MicrosoftEdge/WebView2Feedback
[Problem/Bug]: WebView2CompositionControl +full-screen+Windows Remote Control+ineffective
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Since Feb 26, 2026.
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Description
What happened?
When using WebView2CompositionControl in WPF, if the window is in full-screen mode, logging in via Windows Remote Control causes the WebView2CompositionControl to become ineffective.
Importance
Blocking. My app's basic functions are not working due to this issue.
Runtime Channel
Stable release (WebView2 Runtime)
Runtime Version
No response
SDK Version
No response
Framework
WPF
Operating System
Windows 10
OS Version
No response
Repro steps
Reproduction Steps:
1、Launch the WPF application containing a WebView2CompositionControl.
2、Put the application window into full-screen mode.
3、Use Windows Remote Desktop to connect to and log into the host machine from a remote client.
Issue: After the remote session is established, the WebView2CompositionControlcontent become ineffective.
Repros in Edge Browser
No, issue does not reproduce in the corresponding Edge version
Regression
No, this never worked
Last working version (if regression)
No response
Contributor guide
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First steps
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- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Assessment
This issue has not been assessed yet.