we want to  know the object properties & methods then we 
will use object spy

Object spy is used to know physical properties and trhe 
methods containing to an object.

The Object Spy enables you to view both the run-time object 
methods and the test object methods associated with an 
object and to view the syntax for a selected method. You 
use the Object Spy pointer to point to an object. The 
Object Spy displays the object hierarchy tree and the run-
time object methods or test object methods associated with 
the selected object in the Methods tab of the Object Spy 
dialog box.

Object Spy enables us to view the properties of an opened 
application. Object Spy Pointer is used to point an object. 
Object spy displays the properties of the selected object 
in the properties dialogue box of the object spy dialogue 
box.

if u want to see the objects like 
dialog,edit,static,activex........ then we will use the 
object spy in qtp 

just like gui spy in win runner

if it is wrong plz tell the correct........

                                   thank you

object spy is used to view the properties of the 
objects.this object spy is used while writing descriptive 
programming

Inorder to view the properties of different objects along
with their values we use Object Spy.
For Eg: Properties   Values
        Height       14
        Width        22
        Class Name   WebEdit

by using the object spy we can view the properties and 
methods of the object

object spy is used by testers or it displays 
properties ,methods and object hierarchy......navigation 
click on the spy..Click on the hand icon...and take the 
hand icon and Click on the object ,window ,or 
dialouge ,webpages....

Object Spy is a future provided by QTP,Which displays the total objects information like list of properties,list of methods,syntax of methods as well as description of the methods of both Runtime objects and Test objects.