Window-Station Objects

The following are the window-station access rights and their meanings.

Constant
Description
WINSTA_ACCESSCLIPBOARD
Required to use the clipboard.
WINSTA_ACCESSGLOBALATOMS
Required to manipulate global atoms.
WINSTA_CREATEDESKTOP
Required to create new desktop objects on the window station.
WINSTA_ENUMDESKTOPS
Required to enumerate existing desktop objects.
WINSTA_ENUMERATE
Required for the window station to be enumerated.
WINSTA_EXITWINDOWS
Required to successfully call the ExitWindows or ExitWindowsEx function. Window stations can be shared by users and this access type can prevent other users of a window station from logging off the window station owner.
WINSTA_READATTRIBUTES
Required to read the attributes of a window-station object. This attribute includes color settings and other global window station properties.
WINSTA_READSCREEN
Required to access screen contents.
WINSTA_WRITEATTRIBUTES
Required to modify the attributes of a window-station object. The attributes include color settings and other global window-station properties.

The following are the generic mappings for the interactive window-station object, which is the window station assigned to the logon session of the interactive user.

Value
Maps to
GENERIC_READ
STANDARD_RIGHTS_READ, WINSTA_ENUMDESKTOPS, WINSTA_ENUMERATE, WINSTA_READATTRIBUTES, and WINSTA_READSCREEN
GENERIC_WRITE
STANDARD_RIGHTS_WRITE, WINSTA_ACCESSCLIPBOARD, WINSTA_CREATEDESKTOP, and WINSTA_WRITEATTRIBUTES
GENERIC_EXECUTE
STANDARD_RIGHTS_EXECUTE, WINSTA_ACCESSGLOBALATOMS, and WINSTA_EXITWINDOWS
GENERIC_ALL
STANDARD_RIGHTS_REQUIRED, WINSTA_ACCESSCLIPBOARD, WINSTA_ACCESSGLOBALATOMS, WINSTA_CREATEDESKTOP, WINSTA_ENUMDESKTOPS, WINSTA_ENUMERATE, WINSTA_EXITWINDOWS, WINSTA_READATTRIBUTES, WINSTA_READSCREEN, and WINSTA_WRITEATTRIBUTES

The following are the generic mappings for a noninteractive window-station object. The system assigns noninteractive window stations to all logon sessions other than that of the interactive user.

Value
Maps to
GENERIC_READ
STANDARD_RIGHTS_READ, WINSTA_ENUMDESKTOPS, WINSTA_ENUMERATE, and WINSTA_READATTRIBUTES
GENERIC_WRITE
STANDARD_RIGHTS_WRITE, WINSTA_ACCESSCLIPBOARD, and WINSTA_CREATEDESKTOP
GENERIC_EXECUTE
STANDARD_RIGHTS_EXECUTE, WINSTA_ACCESSGLOBALATOMS, and WINSTA_EXITWINDOWS
GENERIC_ALL
STANDARD_RIGHTS_REQUIRED, WINSTA_ACCESSCLIPBOARD, WINSTA_ACCESSGLOBALATOMS, WINSTA_CREATEDESKTOP, WINSTA_ENUMDESKTOPS, WINSTA_ENUMERATE, WINSTA_EXITWINDOWS, and WINSTA_READATTRIBUTES

An application can call the GetProcessWindowStation function to retrieve a handle of its assigned window station. The security attributes of the window station can be retrieved and set by using this handle in calls to the GetUserObjectSecurity and SetUserObjectSecurity functions. An application can use the GetUserObjectInformation and SetUserObjectInformation functions to get and set information about a window-station object. For more information on window-station objects, see Window Stations and Desktops.

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