O

A

B

C

D

E

F

G

H

I

J

K

L

M

N

O

P

Q

R

S

T

U

V

W

X

Y

Z

ObjectPrivilegeAuditAlarm

OffsetClippingRegion

OffsetRegion

OffsetViewportOrigin

OffsetWindowOrigin

OpenBackupEventLog

OpenClipboard

OpenDesktop

OpenEvent

OpenEventLog

OpenExclusive

OpenFileMapping

OpenInputDesktop

OpenObjectAuditAlarm

OpenProcess

OpenProcessToken

OpenRegistryKey

OpenRegistryKey - Old

OpenService

OpenServiceManager

OpenThreadToken

OpenWindowStation

OutputDebugString