VS C# file and directory question

I have created a VS 2008 C# program that creates a series of CSV files and then emails them. The CSV files are written to a folder and each month they get overwritten. Now they want me to archive these files each month and make the output files read-only.

So I have several questions:
1) What function do I use to create a new folder?
2) What function do I use to move these files to this new folder?
3) What function do I use to delete these files from the original folder?
4) What function do I use to change the file attribute to read-only?
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rwheeler23Asked:
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käµfm³d 👽Commented:
1) System.IO.Directory.CreateDirectory
2) System.IO.File.Move
3) System.IO.File.Delete (but Move should "erase" the original once it has been moved to the destination directory)
4) System.IO.File.SetAttributes, using the FileAttributes.ReadOnly flag.
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rwheeler23Author Commented:
Thank you.
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