Comments (8)
robmikh
commented on May 21, 2024
1
Thanks for the info! I'm able to reproduce the issue and we're investigating internally.
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robmikh
commented on May 21, 2024
1
Sorry, we don't have updates at this time. We still have the bug open and have identified the problem area in the code, we just haven't gotten to it yet.
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robmikh
commented on May 21, 2024
Hmmm, I haven't heard reports of this yet. After you've set AllowTransparenacy on the window, could you call GetWindowDisplayAffinity and see if it returns what you would expect?
Additionally, could you share what build of windows you're running?
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deepakakkil001
commented on May 21, 2024
I am running Windows Build 19041. I set the AllowTransparency for the WPF window in XAML and the calling GetWindowDisplayAffinity() once the window is loaded returns a display affinity setting of 0 (WDA_NONE), as expected.
It seems when i next call SetWindowDisplayAffinity() , it fails with a win32 error code of 8 [Not enough storage is available to process this command]. The error disappears when i set AllowTransparency back to false. I can recreate the behaviour on my computer with a minimal WPF project that only calls the SetWindowDisplayAffinity on loaded event.
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deepakakkil001
commented on May 21, 2024
Hello, Any updates on this one? Thanks
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robmikh
commented on May 21, 2024
Sorry, I forgot to update this after our investigation. The issue is that WPF internally uses UpdateLayeredWindow in this scenario, which conflicts with the ability to call SetWindowDisplayAffinity. For the time being, this is by design. However, we may revise this in the future. Closing this issue for now.
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VladiStep
commented on May 21, 2024
Sorry, I forgot to update this after our investigation. The issue is that WPF internally uses
UpdateLayeredWindowin this scenario, which conflicts with the ability to callSetWindowDisplayAffinity. For the time being, this is by design. However, we may revise this in the future. Closing this issue for now.
Can you add more details?
Why does it conflict? And most importantly, is there any hack for it?
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robmikh
commented on May 21, 2024
Unfortunately I can't go into further detail, and I don't have a workaround at the moment. But it just to happens I'll be looking at this again soon, and I'll update you on any workarounds I find or if we fix this issue.
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