// C# Extension Method

// Doc: https://csharp-extension.com/en/method/1002037/directoryinfo-ensuredirectoryexists

​

// @nuget: Z.ExtensionMethods

​

using System;

using System.IO;

​

public class Program

{

    public static string DirectoryName = @"Main Directory\Entity Framework\";

    public static void Main()

    {   

        //C# Extension Method - DirectoryInfo - EnsureDirectoryExists

        var dir = DirectoryName.ToDirectoryInfo().EnsureDirectoryExists();

​

        Console.WriteLine(dir.FullName);

    }

}