1. COM
Common /HV Dialogue
Compability
Data Source
TWAIN DSM
ApplicationVisual Basic
and Other
Scanner
and
Camera
Wizard
Class
Installer
Windows
Explorer User
Interface
Automation
Layer
Device Object
Optional Exactions
WIA Device
Mgr.Object
Driver Services
Library
WDM
Driver
BUS
Device
Server
Proces
s
User Mode
Kernel Mode
Client
Process
Interface
Device Driver
Interface