ASP/VBScript Nothing()

<%
Option Explicit

Dim objVariable

objVariable = CreateObject("Object.Control")

Set objVariable = null
%>

<%
Option Explicit
Dim objFileSys
Set objFileSys = CreateObject("Scripting.FileSystemObject")
Response.write objFileSys.GetDrive("C")
Response.write objFileSys.GetDrive("D")
Set objFileSys = Nothing
%>