dotnet/winforms

ContextMenuStrip not opening when moving window on secondary display

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#4.084 aberto em 11 de out. de 2020

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:beetle: bugarea-HDPIarea-controls-StripControlshelp wanted

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Description

  • .NET Core Version: 3.1
  • Have you experienced this same bug with .NET Framework?: Haven't tried. I need to use .NET Core

Problem description: Given

  • a WPF app
  • that uses the WinForms ContextMenuStrip
  • in a dual monitor setup
  • when moving the MainWindow to the secondary monitor
  • the context menu does not display at all

Expected behavior: The context menu is displayed

Minimal repro: Repo: https://github.com/ccornici/tray_context_menu_bug

Demo (contained in the repo too) ctx_bug

Other details:

  • All other tray icons from other apps (ex: Spotify, NVidia Control Panel etc) work as expected. So it doesn't look like a WIn 10 bug that affects any and all tray icons.
  • The Opening event of the ContextMenuStrip gets fired. It simply doesn't display the context menu...

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