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Active Directory object picker control

, 16 May 2004 CPOL
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A Windows control for selecting objects in Active Directory.

Picker control test app

Introduction

A basic Windows control library for selecting objects in your Active Directory.

Background

I've been involved in several Active Directory projects and frequently have had the need for a "picker" utility to select objects in the AD hierarchy. I decided to roll my own and encapsulate it in a Windows control library.

Sample Usage

Add the control to the list of Windows Forms controls in Visual Studio .NET, then drag the control onto a Windows Form. The control will automatically obtain your Active Directory root path and begin building a hierachal tree of the objects it finds.

private void AddTreeNodes(TreeNode node)
{
    Cursor.Current = Cursors.WaitCursor;
    treeView1.BeginUpdate();
    adh = new ADHelper();
    adh.GetChildEntries((string)node.Tag);
    IDictionaryEnumerator enumerator = adh.Children.GetEnumerator();

    // append children
    while (enumerator.MoveNext())
    {
        TreeNode childNode = new TreeNode((string)enumerator.Key);
        childNode.Tag = enumerator.Value; // ADsPath
        node.Nodes.Add(childNode);


        // specific object types
        if (!alExceptions.Contains(node.Text))
            childNode.ImageIndex =
                SetImageIndex(enumerator.Key.ToString().Substring(0,2));
        else
            childNode.ImageIndex = 3; // computer image
    }
    treeView1.EndUpdate();
    Cursor.Current = Cursors.Default;
}

AddTreeNodes() takes only one parameter, the parent TreeNode object. It then proceeds to add every child object it finds. Similar to Microsoft's ADSI Edit tool, the control displays a plus sign to indicate if a node has one or more child nodes.

Returning the ADsPath

Each time a node is selected in the hierarchy, the ADsPath public property is updated to reflect the fully-qualified path to the object (i.e. LDAP://OU=DEV,OU=US,DC=CORPORATE,DC=MYDOMAIN,DC=COM).

public void GetChildEntries(string adspath)
{
    if (adspath.Length > 0)
        entry = new DirectoryEntry(adspath);
    else
        entry = new DirectoryEntry();

    foreach (DirectoryEntry childEntry in entry.Children)
    {
        _htChildren.Add(childEntry.Name, childEntry.Path);
    }
}
private void treeView1_AfterSelect(object sender, 
      System.Windows.Forms.TreeViewEventArgs e)
{
    _adspath = (string)e.Node.Tag;
}

Compatibility

The control has been tested on Windows 2000/XP/2003. It should work for Windows 9x/NT with the Microsoft Active Directory Client Extensions installed.

History

  • Version 1.0 - 04.22.2004 - First release version.
  • Version 1.1 - 04.28.2004 - Added image support for object types.

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

Marc Merritt
Architect
United States United States
I live in southeastern Pennsylvania, USA with my lovely wife and two beautiful daughters. Life is good. My hobbies are motorcycles, motorcycles, and motorcycles.

I run a riders group called Twisties Motorcycle Club. If you're are a rider in the tri-state area, look us up! http://twistiesmc.com/
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Comments and Discussions

 
GeneralThe doubled child items [modified] Pin
psychic8628-Jul-08 22:23
memberpsychic8628-Jul-08 22:23 
GeneralRe: The doubled child items Pin
gisli.gudmundsson15-Feb-10 12:38
membergisli.gudmundsson15-Feb-10 12:38 
GeneralRe: The doubled child items Pin
gisli.gudmundsson15-Feb-10 12:57
membergisli.gudmundsson15-Feb-10 12:57 
GeneralRe: The doubled child items Pin
gisli.gudmundsson15-Feb-10 14:02
membergisli.gudmundsson15-Feb-10 14:02 
GeneralThank you very much Pin
lucastar17-Jan-08 19:42
memberlucastar17-Jan-08 19:42 
GeneralRe: Thank you very much Pin
Marc Merritt24-Jan-08 4:05
memberMarc Merritt24-Jan-08 4:05 
GeneralRe: Thank you very much Pin
lucastar5-Feb-08 7:31
memberlucastar5-Feb-08 7:31 
GeneralThanks Pin
hkdl200027-Jun-07 9:46
memberhkdl200027-Jun-07 9:46 
GeneralRe: Thanks Pin
Marc Merritt28-Jun-07 17:10
memberMarc Merritt28-Jun-07 17:10 
GeneralOUs are doubled Pin
andrei_teodorescu8-Jul-06 17:05
memberandrei_teodorescu8-Jul-06 17:05 
GeneralRe: OUs are doubled Pin
sebaj24-Feb-07 5:21
membersebaj24-Feb-07 5:21 
GeneralNames ordered AD Pin
tysonx6-Jun-06 5:17
membertysonx6-Jun-06 5:17 
GeneralRe: Names ordered AD Pin
Marc Merritt12-Jun-06 3:07
memberMarc Merritt12-Jun-06 3:07 
QuestionHow can i get the selected object? Pin
rbmrf9-Mar-06 8:29
memberrbmrf9-Mar-06 8:29 
AnswerRe: How can i get the selected object? Pin
Marc Merritt9-Mar-06 8:48
memberMarc Merritt9-Mar-06 8:48 
AnswerRe: How can i get the selected object? Pin
Data-Base17-Jul-08 4:53
memberData-Base17-Jul-08 4:53 
QuestionSorted Output? Pin
VBDelinquent19-Dec-05 4:41
memberVBDelinquent19-Dec-05 4:41 
AnswerRe: Sorted Output? Pin
Marc Merritt22-Dec-05 8:00
memberMarc Merritt22-Dec-05 8:00 
GeneralHelp Using in VS2005 Pin
astocks19-Oct-05 17:50
memberastocks19-Oct-05 17:50 
GeneralRe: Help Using in VS2005 Pin
Marc Merritt20-Oct-05 2:27
memberMarc Merritt20-Oct-05 2:27 
GeneralRe: Help Using in VS2005 Pin
astocks20-Oct-05 10:48
memberastocks20-Oct-05 10:48 
GeneralRe: Help Using in VS2005 Pin
Marc Merritt20-Oct-05 12:40
memberMarc Merritt20-Oct-05 12:40 
GeneralRe: Help Using in VS2005 Pin
astocks21-Oct-05 15:17
memberastocks21-Oct-05 15:17 
QuestionSpecified domain does not exist Pin
giles papworth6-Sep-05 0:58
membergiles papworth6-Sep-05 0:58 
AnswerRe: Specified domain does not exist Pin
Marc Merritt12-Sep-05 4:48
memberMarc Merritt12-Sep-05 4:48 

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