My computer isnt listed under the domain List

Question

My computer comes under the ABC domain. Whenver i use the following code to list all the computers under the ABC domain, my machine is not listed. Am I missing out on something ? Kindly help

using System.DirectoryServices;

public void PrintComputersInDomain (string domainName)
{
    DirectoryEntry de = new DirectoryEntry ("LDAP://" + domainName);
    de.Children.SchemaFilter.Add ("computer");
    foreach (DirectoryEntry c in de.Children)
    {
        Console.WriteLine (c.Name);
    }
}