using System;
using System.DirectoryServices;

namespace BrunoMartinsPro.TriggerErrors
{
    public class AdErrorUtils
    {
        public void TriggerError()
        {
            //Define connection properties
            string ADConnectionString = "LDAP://AD.brunomartins.pro";
            string ADUserLogin = "BrunoMartinsPro";
            string ADUserPassword = "WoWWoWBadCommunication";

            //Create entry
            DirectoryEntry entry = new DirectoryEntry(ADConnectionString, ADUserLogin, ADUserPassword);

            //Create searcher
            DirectorySearcher searcher = new DirectorySearcher(entry);

            //Define filter
            searcher.Filter = "(SAMAccountname=" + "BrunoMartinsPro" + ")";

            //Load ad properties
            searcher.PropertiesToLoad.Add("name");
            searcher.PropertiesToLoad.Add(null);

            //Associate Directory Entry
            searcher.SearchRoot = entry;

            //Execute search
            SearchResult adUser = searcher.FindOne();

            //Execute search throws an exception:
            //'System.AccessViolationException' in System.DirectoryServices.dll
            //Attempted to read or write protected memory.This is often an indication that other memory is corrupt.
            //This happens because no property NULL exists
        }
    }
}