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io - Recursive File Search in .net

I need to search a drive (C:, D: etc) for a partuicular file type (extension like .xml, .csv, .xls). How do I preform a recursive search to loop all directories and inner directories and return the full path of where the file(s) are? or where can I get information on this?

VB.NET or C#

Thanks

Edit ~ I am running into some errors like unable to access system volume access denied etc. Does anyone know where I can see some smaple code on implementing a file search? I just need to search a selected drive and return the full path of the file type for all the files found.

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System.IO.Directory.GetFiles(@"c:", "*.xml", SearchOption.AllDirectories);

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