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Editorial Team
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Asked: 2026-06-16T23:23:37+00:00

I have a couple of questions about the difference between this 2 classes and

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I have a couple of questions about the difference between this 2 classes and these specific methods, FileIO.FileSystem.CopyFile() and System.IO.File.Copy()

At the simplest level, they both do the same thing when overloaded with sourceFile, destinationFile and bool set to true to overwrite. EG

FileIO.FileSystem.CopyFile(source, destination, True) 
System.IO.File.Copy(source, destination, True)

My two questions are

  1. What are the differences between the 2 with the overload shown because I can’t find (or may be I missed the point) anything on the MSDN site.
  2. How do you (the kind person answering) know the differences when it isn’t in the MSDN documentation?
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1 Answer

  1. Editorial Team

    VisualBasic version after some checks calls System.IO.File.Copy, and I find that out by using the dotPeek, dotPeek is .NET decompiler.

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