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