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DPIAwareness: ArgumentException when opening a ContextMenuStrip

See original GitHub issue

.NET Core Version: 3.1.0
Have you experienced this same bug with .NET Framework?: No

Problem description:

We are experiencing the following crashreports from some users when they open a contextMenu. All reports originate from Windows10 (version 1607 - build 14393 or later), but we are not able to simulate it on our side.

System.Windows.Forms.System.ArgumentException: dpiContext (Parameter 'DPI_AWARENESS_CONTEXT_UNSPECIFIED')
    at System.Windows.Forms.CommonUnsafeNativeMethods.TrySetThreadDpiAwarenessContext
    at System.Windows.Forms.DpiHelper+DpiAwarenessScope.Dispose
    at System.Windows.Forms.ToolStripManager+ModalMenuFilter.PreFilterMessage
    at System.Windows.Forms.Application+ThreadContext.ProcessFilters
    at System.Windows.Forms.Application+ThreadContext.PreTranslateMessage
    at System.Windows.Forms.Application+ThreadContext.System.Windows.Forms.UnsafeNativeMethods.IMsoComponent.FPreTranslateMessage
    at System.Windows.Forms.Application+ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop
    at System.Windows.Forms.Application+ThreadContext.RunMessageLoopInner
    at System.Windows.Forms.Application+ThreadContext.RunMessageLoop
    at System.Windows.Forms.Application.Run

our app is PerMonitorV2 aware as defined in app.manifest:

  <asmv3:application>
    <asmv3:windowsSettings xmlns="http://schemas.microsoft.com/SMI/2005/WindowsSettings">
	<dpiAware xmlns="http://schemas.microsoft.com/SMI/2005/WindowsSettings">true/PM</dpiAware>
	<dpiAwareness xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings">PerMonitorV2, PerMonitor</dpiAwareness>
    </asmv3:windowsSettings>
  </asmv3:application>

Issue Analytics

State:
Created 4 years ago
Comments:18 (18 by maintainers)

Top GitHub Comments

1reaction

filipnavaracommented, May 14, 2020

Unfortunately the self-contained output is kind of on the big side so I had to share it through external service that allows larger files.

https://send.firefox.com/download/b48739bcf3c1097f/#4aBM9eavZZCiGZsTYQPuPg

The link will be valid for a week, or 100 downloaded, whichever comes first. I can reupload it elsewhere if it becomes an issue.

0reactions

merriemcgawcommented, Jun 4, 2020

I think we are going to take this for .NET 5, but for 3.1 I don’t think we’re going to take it until/unless we can determine that there is a repro that we could expect to hit occasionally. If you could provide the binary again, if we inspect it in ILSpy and find a more common repro I’ll happily reconsider this for 3.1.

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