DeleteBinAndObjFolders

using System;
using System.IO;

class DeleteBinAndObjFolders
{
    public static void BinObjFoldersDestroyer(string directoryName)
    {
        DirectoryInfo directory = new DirectoryInfo(directoryName);

        foreach (DirectoryInfo subdirectory in directory.GetDirectories())
        {
            BinObjFoldersDestroyer(subdirectory.FullName);
            if (subdirectory.Name == "bin" || subdirectory.Name == "obj")
            {
                Console.WriteLine(subdirectory.FullName);
                subdirectory.Delete(true);
            }
        }
    }

    public static void StartMenu()
    {
        Console.ForegroundColor = ConsoleColor.Green;
        Console.Write("Folder: ");
        Console.ForegroundColor = ConsoleColor.Gray;
        Console.WriteLine("{0}", Directory.GetCurrentDirectory());
        Console.WriteLine();
        Console.Write("Do you really want to delete all ");
        Console.ForegroundColor = ConsoleColor.Red;
        Console.Write("bin");
        Console.ForegroundColor = ConsoleColor.Gray;
        Console.Write(" and ");
        Console.ForegroundColor = ConsoleColor.Red;
        Console.Write("obj");
        Console.ForegroundColor = ConsoleColor.Gray;
        Console.WriteLine(" folders inside this folder!!!");
    }

    static void Main(string[] args)
    {
        StartMenu();
        Console.ReadLine();
        BinObjFoldersDestroyer(Directory.GetCurrentDirectory());
    }
}