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Editorial Team
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Asked: 2026-05-26T19:36:32+00:00

I’m using PLINQ to run a function that tests serial ports to determine if

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I’m using PLINQ to run a function that tests serial ports to determine if they’re a GPS device.

Some serial ports immediately are found to be a valid GPS. In this case, I want the first one to complete the test to be the one returned. I don’t want to wait for the rest of the results.

Can I do this with PLINQ, or do I have to schedule a batch of tasks and wait for one to return?

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1 Answer

  1. Editorial Team

    Upon further review, you can apparently just use FirstOrDefault to solve this. PLINQ will not preserve ordering by default, and with an unbuffered query, will return immediately.

    http://msdn.microsoft.com/en-us/library/dd460677.aspx

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