// 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);
}