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Fix Environment.UserInteractive on Windows #1234

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Merged
merged 17 commits into from
Jan 4, 2020
Merged

Fix Environment.UserInteractive on Windows #1234

merged 17 commits into from
Jan 4, 2020

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@danmoseley
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Fix #770

jkotas
jkotas reviewed Jan 1, 2020
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jkotas
jkotas reviewed Jan 1, 2020
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@danmoseley danmoseley force-pushed the Environment.UserInteractive branch from 67406aa to e6ea75b Compare January 2, 2020 20:36
@jkotas
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jkotas commented Jan 3, 2020 •
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Build break ... LGTM otherwise.

@gmatzen gmatzen mentioned this pull request Jan 3, 2020
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jkotas
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@danmoseley
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All failures are from the bad ARM legs.

jkotas
jkotas reviewed Jan 3, 2020
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@danmoseley danmoseley requested a review from jkotas January 4, 2020 00:43
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Any more feedback? I can't merge without dismissing your review -- not sure of the protocol

CI is fine, except for an unrelated bug I logged.

@danmoseley danmoseley merged commit 2c6ec17 into dotnet:master Jan 4, 2020
@danmoseley danmoseley deleted the Environment.UserInteractive branch January 4, 2020 07:11
@ericstj ericstj mentioned this pull request Jan 15, 2020
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@janvorli janvorli mentioned this pull request Jan 30, 2020
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@danmoseley danmoseley mentioned this pull request Feb 27, 2020
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ericstj
ericstj reviewed Feb 27, 2020
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src/libraries/System.Private.CoreLib/src/System/Environment.Windows.cs
uint dummy = 0;
if (Interop.User32.GetUserObjectInformationW(handle, Interop.User32.UOI_FLAGS, &flags, (uint)sizeof(Interop.User32.USEROBJECTFLAGS), ref dummy))
{
return ((flags.dwFlags & Interop.User32.WSF_VISIBLE) == 0);
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It looks like you forgot to invert this logic. Also, should we add back the static property like we had in desktop?
https://referencesource.microsoft.com/#mscorlib/system/environment.cs,1435

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Ack - thank you @ericstj !

Re the static, @jkotas pointed out that there may be a way to change a process to/from interactive - although I didn't do it successfully myself. See mention here #770 (comment) I saw no reason to cache the value.

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Ok, I'll make the simple fix for now. FWIW I'm now able to reproduce the test failure, so I can confirm fail/then-fix.

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That would explain #1724 also. I was not albe to run the service controller tests locally because of #1262. I tested locally by hand instead, and apparently did so before I made this mistake.

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Comments crossed. Great, I was about to do it, but apparently you've already got those tests working so you can verify it as well. thanks

@ghost ghost locked as resolved and limited conversation to collaborators Dec 11, 2020
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Should we revise implementation of Environment.UserInteractive?

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