SHChangeNotifyDeregister function (shlobj_core.h)

Unregisters the client's window process from receiving SHChangeNotify messages.

Syntax

BOOL SHChangeNotifyDeregister(
  ULONG ulID
);

Parameters

ulID

Type: ULONG

A value of type ULONG that specifies the registration ID returned by SHChangeNotifyRegister.

Return value

Type: BOOL

Returns TRUE if the specified client was found and removed; otherwise FALSE.

Remarks

See the Change Notify Watcher Sample in the Windows Software Development Kit (SDK) for a full example that demonstrates the use of this function.

The NTSHChangeNotifyDeregister function, which is no longer available for use as of Windows Vista, was equivalent to SHChangeNotifyDeregister.

Requirements