Bug Report
Delete this line and everything above, and then fill in the details below.
- What version of the product are you using?
- What version are you using? Nuget? CI Nuget? build from a branch? If so which branch? Please include the exact version number you are using (no ambiguous statements like
Latest from Nuget)
e.g. 57.0.0 or 63.0.0-pre01
- Please only create an issue if you can reproduce the problem with the latest version. (If you are using the latest stable release please check to see if there is a newer
-pre release and test with that also).
master branch (2019/10/21 18:48:22) 441e8bc [441e8bc]
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What architecture x86 or x64?
x64
vs2017 15.9.16
NET Framework 4.5.2
winsdk 10.0.18362.0 (installed, but not applied in project)
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On what operating system?
- Win7, Win 8, Win10, etc?
Win10
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Are you using WinForms, WPF or OffScreen?
WPF (default wpf example)
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What steps will reproduce the problem?
- Please provide detailed information here, enough for someone else to reprodce your problem.
- Please no binary (zip, etc) links, fork the MinimalExample and push your changes to
GitHub. (Alternatively use a code sharing service list Gist or Pastebin).
- execute
- window resize (size down)
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What is the expected output? What do you see instead?

-
Please provide any additional information below.
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A stack trace if available, any Exception information.
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Does the cef log provide any relevant information? (By default there should be a debug.log file in your bin directory)
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Any other background information that's relevant? Are you doing something out of the ordinary? 3rd party controls?
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Does this problem also occur in the CEF Sample Application from http://opensource.spotify.com/cefbuilds/index.html?
- To compare with WPF run cefclient --multi-threaded-message-loop --off-screen-rendering-enabled --enable-gpu
- To compare with WinForms run cefclient --multi-threaded-message-loop
- If you can reproduce the problem with
cefclient then you'll need to report the bug on https://bitbucket.org/chromiumembedded/cef/overview there is no point opening an issue here. (Make sure you search before opening an issue)
- Please include the version you tested with e.g.
cef_binary_3.3029.1611.g44e39a8_windows64_client.tar.bz2. It's important to you test with the same version that CefSharp is based on. Check the release notes to determine the version (https://github.com/cefsharp/CefSharp/releases) or load chrome://version in the browser.
Bug Report
Delete this line and everything above, and then fill in the details below.
Latest from Nuget)e.g. 57.0.0 or 63.0.0-pre01
-prerelease and test with that also).master branch (2019/10/21 18:48:22) 441e8bc [441e8bc]
What architecture x86 or x64?
x64
vs2017 15.9.16
NET Framework 4.5.2
winsdk 10.0.18362.0 (installed, but not applied in project)
On what operating system?
Win10
Are you using
WinForms,WPForOffScreen?WPF (default wpf example)
What steps will reproduce the problem?
GitHub. (Alternatively use a code sharing service listGistorPastebin).What is the expected output? What do you see instead?

Please provide any additional information below.
A stack trace if available, any Exception information.
Does the cef log provide any relevant information? (By default there should be a debug.log file in your bin directory)
Any other background information that's relevant? Are you doing something out of the ordinary? 3rd party controls?
Does this problem also occur in the
CEFSample Application from http://opensource.spotify.com/cefbuilds/index.html?cefclientthen you'll need to report the bug on https://bitbucket.org/chromiumembedded/cef/overview there is no point opening an issue here. (Make sure you search before opening an issue)cef_binary_3.3029.1611.g44e39a8_windows64_client.tar.bz2. It's important to you test with the same version thatCefSharpis based on. Check the release notes to determine the version (https://github.com/cefsharp/CefSharp/releases) or loadchrome://versionin the browser.