Convert Console App to Class Lib

Question

4.00/5 (1 vote)

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Hi

I have a code to retrieve all users who are active,but this is a console application.

i want to convert this app to dll and call this dll when ever i click the button from windows app.

C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.DirectoryServices;
class Program
{
    static void Main()
    {
        DirectorySearcher searcher = new DirectorySearcher();
        searcher.Filter = "(&(objectCategory=person)(!(userAccountControl:1.2.840.113556.1.4.803:=2)))";
        foreach (SearchResult result in searcher.FindAll())
        Console.WriteLine(result.GetDirectoryEntry().Properties["sAMAccountName"].Value);
        Console.ReadLine();
    }
}

Posted 24-Feb-11 14:35pm

shan1395

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Nish Nishant · Accepted Answer · 2011-02-24T14:45:00

Solution 1

Create a new DLL project. Add a new class to it and add a static method that returns an IEnumerable<string>. Or have it fire an event which will have the string as an arg - that way you don't have to wait for the entire search to complete before you can start processing the results.

Here's the former approach:

C#

public static IEnumerable<object> GetSearchResults()
{
    Collection<object> results = new Collection<object>();

    DirectorySearcher searcher = new DirectorySearcher();
    searcher.Filter = "(&(objectCategory=person)(!(userAccountControl:1.2.840.113556.1.4.803:=2)))";
    foreach (SearchResult result in searcher.FindAll())
    {
        var value = result.GetDirectoryEntry().Properties["sAMAccountName"].Value;
        results.Add(value);
    }

    return results;
}

And here's the other option I mentioned:

C#

public event EventHandler<SearchEventArgs> ItemFound;

public void StartSearch()
{
    DirectorySearcher searcher = new DirectorySearcher();
    searcher.Filter = "(&(objectCategory=person)(!(userAccountControl:1.2.840.113556.1.4.803:=2)))";
    foreach (SearchResult result in searcher.FindAll())
    {
        var value = result.GetDirectoryEntry().Properties["sAMAccountName"].Value;
        if (ItemFound != null)
        {
            ItemFound(this, new SearchEventArgs() { Value = value });
        }
    }
}

where SearchEventArgs is:

C#

public class SearchEventArgs : EventArgs
{
    public object Value { get; set; }
}

Posted 24-Feb-11 14:45pm

Nish Nishant

Updated 24-Feb-11 14:53pm

v3

Comments

fjdiewornncalwe 24-Feb-11 22:13pm

OP's Comment moved from answer:
Thanks a lot Nishant,i already have a class library file,i have to include this method in to my code ,so when ever i click the button am going to trigger and retrieve the use

shan1395 24-Feb-11 22:14pm

thanks for your suggesting and code,the reason i want to convert this.

Already i have DLL file,i wanna add this one of my method in my existing file

this is the code,i have to include this method in that code

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.DirectoryServices;

namespace ActiveDir
{
public class Employee
{
// instance variables
public String name, loginname, firstname;
public String surname;
public string title;
public string company, Org;
public string email, useraccountcontrol;
public string mobile, telephonenumber, pager;
public string city, state, country, postalcode;

// ...
// Constructors

public String FullName()
{

return String.Format("{0}. {1}. {2}. {3}. {4}. {5}. {6}. {7}. {8}. {9}. {10}. {11}. {12}. {13}. {14}.{15} ", name, title, company, surname, email, pager, mobile, telephonenumber, city, state, postalcode, country, loginname, firstname, useraccountcontrol, Org).Trim();

}
public static implicit operator String(Employee value)
{
return value.ToString();
}

public Employee()
{
}
}

public class ActiveDirSearch
{
public ActiveDirSearch()
{ }

public Employee SearchUser(string username)
{

Employee employee = new Employee();

try
{
DirectoryEntry entry = new DirectoryEntry("GC://Test", "Test\\Test", "Ld@Test", AuthenticationTypes.Secure);
System.DirectoryServices.DirectorySearcher search = new System.DirectoryServices.DirectorySearcher(entry);

if (username.Contains("."))
{
string Fname = username.Substring(0, username.IndexOf("."));
Fname = Fname.Replace(" ", "");

string[] splitString = username.Split(new char[] { '.' });
username = splitString[splitString.Length - 1];

string email = Fname + "." + username;

search.Filter = "(mail=" + email + "*" + ")";

}

//--------If condition for Space and Dot search Filter---------------------------------------

if (username.IndexOf(" ") > 0)

search.Filter = "(cn=" + username + ")";

SearchResult result = search.FindOne();

if (result != null)
{

// user exists, cycle through LDAP fields (cn, telephonenumber etc.)

ResultPropertyCollection fields = result.Properties;

foreach (String ldapField in fields.PropertyNames)
{
// cycle through objects in each field e.g. group membership
// (for many fields there will only be one object such as name)
foreach (Object myCollection in fields[ldapField])
{
if (ldapField == "name")
employee.name = myCollection.ToString();
if (ldapField == "sn")
employee.surname = myCollection.ToString();
if (ldapField == "title")
employee.title = myCollection.ToString();
if (ldapField == "company")
employee.company = myCollection.ToString();
if (ldapField == "mobile")
employee.mobile = myCollection.ToString();
if (ldapField == "postalcode")
employee.postalcode = myCollection.ToString();
if (ldapField == "t

shan1395 24-Feb-11 22:55pm

Hi Nishant ,

Embedded your code in to the existing Dll file but its throwing error

The type or namespace name'collection' could not be found

Nish Nishant 24-Feb-11 23:26pm

You are missing a namespace.

using System.Collections.ObjectModel;

shan1395 24-Feb-11 23:58pm

Thanks Nishant

Nish Nishant 25-Feb-11 8:19am

You are welcome.

Espen Harlinn 25-Feb-11 6:23am

Exceptional answer, as usual - my 5

Nish Nishant 25-Feb-11 8:19am

Thank you.