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Windows NT
Yes
Win95
No
Win32s
No
Import Library
user32.lib
Header File
winuser.h
Unicode
WinNT
Platform Notes
None

OpenWindowStation

The OpenWindowStation function returns a handle to an existing window station.

HWINSTA OpenWindowStation(

LPTSTR lpszWinSta,
// name of the window station to open
BOOL fInherit,
// specifies whether returned handle is inheritable
DWORD dwDesiredAccess
// specifies access of returned handle
);

Parameters

lpszWinSta

Points to a null-terminated string specifying the name of the window station to be opened. Window station names are case-insensitive.

fInherit

Specifies whether the returned handle is inherited when a new process is created. If this value is TRUE, new processes will inherit the handle.

dwDesiredAccess

Specifies the type of access to the window station. This parameter can be one or more of the following values:

Value
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 and ExitWindowsEx functions.
WINSTA_READATTRIBUTES
Required to read the attributes of a window station object.
WINSTA_READSCREEN
Required to access screen contents.
WINSTA_WRITEATTRIBUTES
Required to modify the attributes of a window station object.

Return Values

If the function succeeds, the return value is the handle to the specified window station.

If the function fails, the return value is NULL. To get extended error information, call GetLastError.

See Also

ExitWindows
, ExitWindowsEx

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