是否可以在 .net 中捕获/重定向我未启动的进程的标准输出？
如果我知道进程标识符，.net 中是否有某种机制（或作为最后手段的 pinvoke）来捕获/重定向我未启动的进程的标准输出？
If I know the process identifier, is there some mechanism in .net (or pinvoke as last resort) to capture/redirect the standard output of a process that I did not launch?
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您可以AttachConsole您的进程到控制台另一个进程，然后使用常用的控制台 I/O 函数对其进行读写。
请记住使用 FreeConsole 与首先处理当前控制台。
You could AttachConsole your process to the console of the other process, and then use the usual console I/O functions to read and write from it.
Remember to use FreeConsole to detach from the process' current console first.
据我所知，您无法在 .NET 中执行此操作，您可以重定向仅通过 ProcessStartInfo 类。
另外据我所知，在进程启动后根本无法在外部重定向 I/O，只有进程本身可以做到这一点。
您可以通过 附加控制台功能。
As far as I know you can't do this in .NET, you can redirect outputs for processes you start only via ProcessStartInfo Class.
Also as far as I know you cannot redirect I/O externally at all after a process has started, only the process itself can do it.
You can attach the calling process to the console of the specified process via AttachConsole Function.
编辑：看起来它确实不起作用，正如本线程中的另一个答案所指出的那样。
我没有亲自尝试过，但自从答案被接受以来，这个 作品。
EDIT: Looks like it indeed does not work, as is being pointed out by another answer in this thread.
I have not personally tried it, but it seems, since the answer was accepted, that this works.