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C# - How to Get the List of Files from the Given Directory?

Learn, how to get filenames of given directory using C# program?
Submitted by IncludeHelp, on November 13, 2017 [Last updated : March 26, 2023]

Get the List of Files from the Given Directory

To get the list of files from the given directory in C#, we use Directory.GetFiles() method.

Directory.GetFiles()

This is a method of 'Directory' class, it returns the array of strings (names of the files available in the directory).

Syntax

string[] Directory.GetFiles(string path);

Parameter(s)

path - It is a location of directory.

Return Value

This method returns the array of strings that contains filenames.

C# program to get the list of files from the given directory

using System;
using System.IO;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main()
        {
            string[] files;

            files =Directory.GetFiles("E:/pics/birthday-2014/");

            Console.WriteLine("File Names:");
            for (int i = 0; i < files.Length; i++)
            {
                Console.WriteLine("\t"+files[i]);
            }
        }
    }
}

Output

File Names:
        E:/pics/birthday-2014/IMG_20140814_212013.jpg
        E:/pics/birthday-2014/IMG_20140814_212204.jpg
        E:/pics/birthday-2014/IMG_20140814_212211.jpg
        E:/pics/birthday-2014/IMG_20140814_212219.jpg
        E:/pics/birthday-2014/IMG_20140814_212225.jpg
        E:/pics/birthday-2014/IMG_20140814_212229.jpg
        E:/pics/birthday-2014/IMG_20140814_212232.jpg

Explanation

In the above program, we need to remember, when we use "Directory" class, System.IO namespace must be included in the program.