WTSUnRegisterSessionNotificationEx function (wtsapi32.h)

Unregisters the specified window so that it receives no further session change notifications.

Syntax

BOOL WTSUnRegisterSessionNotificationEx(
  [in] HANDLE hServer,
  [in] HWND   hWnd
);

[in] hServer

Handle of the server returned from WTSOpenServer or WTS_CURRENT_SERVER.

[in] hWnd

Handle of the window to be unregistered from receiving session notifications.

If the function succeeds, the return value is TRUE. Otherwise, it is FALSE. To get extended error information, call GetLastError.

This function must be called once for every call to the WTSRegisterSessionNotificationEx function.