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Asked: May 11, 20262026-05-11T02:22:14+00:00 2026-05-11T02:22:14+00:00

I have this legacy code that I am working with and there is code

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I have this legacy code that I am working with and there is code like this all over the place:

     #If PRE611 = True Then         'Do Something     #Else         'Something Else     #End If 

I am pretty sure the PRE611 has something to do with versioning, but I would like to know what specifically the # sign does.

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  1. 2026-05-11T02:22:15+00:00Added an answer on May 11, 2026 at 2:22 am

    Those are directives, and allows you to do conditional compiling. # sign used for directives.

    In this case It will compiled either part of the code based on the evaluation of ‘PRE611 = True’

    You can see this article for some examples : http://visualbasic.about.com/od/usingvbnet/a/vbdirectives01_2.htm

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