How to Copy File in C#/CSharp

To copy a file in C#/CSharp, we make use of File class and its method Copy.  This class resides in System.IO namespace.  Example is given below.

using System;
using System.IO;

namespace Hello_World
{

    class Program
    {
        static void Main(string[] args)
        {
            //Source of file
            string source = @"C:\Users\ADMIN\Desktop\folder1\file.txt";
            
            //Destination Folder
            string destination = @"C:\Users\ADMIN\Desktop\folder2\";

            //Destination Folder + Filename
            destination += Path.GetFileName(source);

            //Copy method
            File.Copy(source, destination);
        }
    }
}

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