How to copy a file in C#

Question

I want to copy a file from A to B in C#. How do I do that?

Answer 1

System.IO.File.Copy

Answer 2

Use the FileInfo class.

FileInfo fi = new FileInfo("a.txt");
fi.CopyTo("b.txt");

Answer 3

The File.Copy method:

MSDN Link

Answer 4

Without any error handling code:

File.Copy(path, path2);