UnregisterSuspendResumeNotification function (winuser.h)

Cancels a registration to receive notification when the system is suspended or resumed. Similar to PowerUnregisterSuspendResumeNotification but operates in user mode.


BOOL UnregisterSuspendResumeNotification(
  [in, out] HPOWERNOTIFY Handle


[in, out] Handle

A handle to a registration obtained by calling the RegisterSuspendResumeNotification function.

Return value

If the function succeeds, the return value is nonzero.

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


Minimum supported client Windows 8 [desktop apps only]
Minimum supported server Windows Server 2012 [desktop apps only]
Target Platform Windows
Header winuser.h
Library User32.lib
DLL User32.dll
API set ext-ms-win-ntuser-powermanagement-l1-1-0 (introduced in Windows 8)

See also