Reference Types

A reference type is also known as an Object data type.
When you want to assign something to a reference type you must use the Set statement.

Class	A Class module is a special type of module that lets you create your own customised objects.
Collection	A collection is a special type of object that represents a group of objects.
Object	The object data type contains a reference (or an address) to an actual object.

Dim oEmployee As class_Employee 
Set oEmployee = New class_Employee

Dim colEmployees As New Collection 
Call colEmployees.Add(Item:="item", Key:="key")

Dim oMyObject As Object 
Set oMyObject = Library.ClassName