<a href="http://msdn.microsoft.com/en-us/library/system.io.file.move.aspx">System.IO.File.Move</a>[<a href="http://msdn.microsoft.com/en-us/library/system.io.file.move.aspx" target="_blank" title="New Window">^</a>]
File.Move(Path.Combine("FilePath", "OldFileName"), Path.Combine("FilePath", "NewFileName"));
var
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