If you've ever needed to create an LDAP aware powershell script, well you're in luck.  You can use any .Net namespace within a powershell script.  In this article you will find various functions that I have written to work with an LDAP directory.

Gather all LDAP directory properties into a Hashtable as key/value pairs

The purpose of this function is to return a simple object of key/value pairs that you can reference in other parts of your application without connecting to the directory again.