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Documentation of use of ConPTY together with STARTF_USESTDHANDLES is lacking. #6439

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opened 2026-01-31 00:38:42 +00:00 by claunia · 2 comments
claunia commented 2026-01-31 00:38:42 +00:00
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Originally created by @grubba on GitHub (Feb 14, 2020).

All existing documentation of ConPTY seem to only mention the case where stdin, stdout and stderr are all to be connected to the pty and no STARTF_USESTDHANDLES. The only mention that the proper value to have in StartupInfo.hStdInput et al when STARTF_USESTDHANDLES is active is NULL is indirectly in the documentation for GetStdHandle().

Using STARTF_USESTDHANDLES is useful if you want to keep stdout and stderr separate or want to redirect one of them to eg a file.

An explicit mention in conjunction with STARTUPINFOA and/or PROC_THREAD_ATTRIBUTE_PSEUDOCONSOLE would be appreciated.

Thanks.

Originally created by @grubba on GitHub (Feb 14, 2020). <!-- Briefly describe which document needs to be corrected and why. --> All existing documentation of ConPTY seem to only mention the case where stdin, stdout and stderr are all to be connected to the pty and no STARTF_USESTDHANDLES. The only mention that the proper value to have in StartupInfo.hStdInput et al when STARTF_USESTDHANDLES is active is NULL is indirectly in the documentation for GetStdHandle(). Using STARTF_USESTDHANDLES is useful if you want to keep stdout and stderr separate or want to redirect one of them to eg a file. An explicit mention in conjunction with STARTUPINFOA and/or PROC_THREAD_ATTRIBUTE_PSEUDOCONSOLE would be appreciated. Thanks.
claunia added the Help WantedArea-ServerProduct-ConptyIssue-Docs labels 2026-01-31 00:38:42 +00:00
claunia commented 2026-01-31 00:38:43 +00:00
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@DHowett-MSFT commented on GitHub (Feb 21, 2020):

Thanks for the request! I'll mark this one for documentation on the console backlog.

@DHowett-MSFT commented on GitHub (Feb 21, 2020): Thanks for the request! I'll mark this one for documentation on the console backlog.
claunia commented 2026-01-31 00:38:43 +00:00
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@nyitnyitnet commented on GitHub (Apr 3, 2020):

Çoment

@nyitnyitnet commented on GitHub (Apr 3, 2020): Çoment
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Reference: starred/terminal#6439
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