René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Start-Process does not populate the process object's exit code with NoNewWindow switch","articleBody":"### Prerequisites\n\n- [X] Write a descriptive title.\n- [x] Make sure you are able to repro it on the [latest released version](https://github.com/PowerShell/PowerShell/releases)\n- [X] Search the existing issues.\n- [X] Refer to the [FAQ](https://github.com/PowerShell/PowerShell/blob/master/docs/FAQ.md).\n- [X] Refer to [Differences between Windows PowerShell 5.1 and PowerShell](https://learn.microsoft.com/powershell/scripting/whats-new/differences-from-windows-powershell).\n\n### Steps to reproduce\n\nI noticed that the `Start-Process` cmdlet sometimes does not populate the `ExitCode` property in the output, I believe it should.\r\nThis happed at least when `-PassThru`, `-Wait`, and `-NoNewWindow` switches are provided. `-NoNewWindow` seems to be the reason, since the exit code is available without it.\r\n\r\n\r\n## Steps to reproduce\r\nYou can see this behavior with this simple test script\r\n```\r\nSet-Content -Value \"exit 1\" -Path script.ps1\r\n$p = start-process \"pwsh\" script.ps1 -PassThru -NoNewWindow -Wait\r\n$p.ExitCode  # Should output: 1\r\n$p = start-process \"pwsh\" script.ps1 -PassThru -Wait\r\n$p.ExitCode # Outputs: 1\r\n```\r\n\n\n### Expected behavior\n\n```console\nPS C:\\\u003e set-content -Value \"exit 1\" -Path script.ps1\r\nPS C:\\\u003e $p = start-process \"pwsh\" script.ps1 -PassThru -NoNewWindow -Wait\r\nPS C:\\\u003e $p.ExitCode\r\n1\r\nPS C:\\\u003e $p = start-process \"pwsh\" script.ps1 -PassThru -Wait\r\nPS C:\\\u003e $p.ExitCode\r\n1\n```\n\n\n### Actual behavior\n\n```console\nPS C:\\\u003e set-content -Value \"exit 1\" -Path script.ps1\r\nPS C:\\\u003e $p = start-process \"pwsh\" script.ps1 -PassThru -NoNewWindow -Wait\r\nPS C:\\\u003e $p.ExitCode\r\nPS C:\\\u003e $p = start-process \"pwsh\" script.ps1 -PassThru -Wait\r\nPS C:\\\u003e $p.ExitCode\r\n1\n```\n\n\n### Error details\n\n_No response_\n\n### Environment data\n\n```powershell\nPS C:\\\u003e $PSVersionTable\r\n\r\nName                           Value\r\n----                           -----\r\nPSVersion                      7.4.0-preview.5\r\nPSEdition                      Core\r\nGitCommitId                    7.4.0-preview.5\r\nOS                             Microsoft Windows 10.0.20348\r\nPlatform                       Win32NT\r\nPSCompatibleVersions           {1.0, 2.0, 3.0, 4.0…}\r\nPSRemotingProtocolVersion      2.3\r\nSerializationVersion           1.1.0.1\r\nWSManStackVersion              3.0\n```\n\n\n### Visuals\n\n_No response_","author":{"url":"https://github.com/unlikelier","@type":"Person","name":"unlikelier"},"datePublished":"2023-09-29T10:48:04.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":21},"url":"https://github.com/20400/PowerShell/issues/20400"}