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C# program to demonstrate the use of CreateSubdirectory method

In this article, we will learn how to create a sub-directory? Here we will use class DirectoryInfo to create sub-directory using method CreateSubdirectory.
Submitted by IncludeHelp, on November 16, 2017

DirectoryInfo.CreateSubdirectory()

This is a method of "DirectoryInfo" class, it is used to create a sub directory within a directory.

Syntax:

DirectoryInfo DirectoryInfo.CreateSubdirectory(string path);

Parameter(s):

1. path - Sub-Directory name.

Return value:

Returns the object of DirectoryInfo class.

Program

using System;
using System.IO;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main()
        {
            DirectoryInfo d = new DirectoryInfo("mydir");

            d.CreateSubdirectory("sub-dir");

            Console.WriteLine("Sub-Directory created successfully");
            
        }
    }
}

Output

Sub-Directory created successfully.

In this program we create an object of DirectoryInfo class and initialize with a directory-name, then create sub-directory inside given directory.

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

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