// C# Extension Method
// Doc: https://csharp-extension.com/en/method/1002033/directoryinfo-createalldirectories
// @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 - CreateAllDirectories
var dir = DirectoryName.ToDirectoryInfo().CreateAllDirectories();
Console.WriteLine(dir.FullName);
}