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Top-Level Collections Opened by Windows for System Use

Last Updated: 8/3/2016

Windows opens the following top-level collections for system use:

Device TypeUsage PageUsage IDWindows ClientAccess Mode

Pointer

0x01

0x01

Win32 subsystem

Exclusive

Mouse

0x01

0x02

Win32 subsystem

Exclusive

Joystick

0x01

0x04

DirectInput

Shared

Game pad

0x01

0x05

DirectInput

Shared

Keyboard

0x01

0x06

Win32 subsystem

Exclusive

Keypad

0x01

0x07

Win32 subsystem

Exclusive

System Control

0x01

0x80

Win32 subsystem

Shared

Consumer Audio Control

0x0C

0x01

hidserv.exe in Windows 2000 and hidserv.dll (one of the SVC host services) in Microsoft Windows XP

Shared


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