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Editorial Team
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Asked: 2026-05-13T21:24:23+00:00

I can’t find the is not operator in C#. For example I have the

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I can’t find the “is not” operator in C#.
For example I have the code below which does not work. I need to check that err is not of type class ThreadAbortException.

    catch (Exception err)
    {
        if (err is not ThreadAbortException)
        {
        }
    }
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1 Answer

  1. Editorial Team

    Just change the catch block to:

    catch(ThreadAbortException ex)
{
}
catch(Exception ex)
{
}

    so you can handle ThreadAbortExceptions and all others separately.

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