SHChangeNotification_Lock function
Locks the shared memory associated with a Shell change notification event.
Syntax
HANDLE SHChangeNotification_Lock( _In_ HANDLE hChange, DWORD dwProcId, _Out_opt_ PIDLIST_ABSOLUTE **pppidl, _Out_opt_ LONG *plEvent );
Parameters
- hChange [in]
-
Type: HANDLE
A handle to a window received as a wParam in the specified Shell change notification message.
- dwProcId
-
Type: DWORD
The process ID (lParam in the message callback).
- pppidl [out, optional]
-
Type: PIDLIST_ABSOLUTE**
The address of a pointer to a PIDLIST_ABSOLUTE that, when this function returns successfully, receives the list of affected PIDLs.
- plEvent [out, optional]
-
Type: LONG*
A pointer to a LONG value that, when this function returns successfully, receives the Shell change notification ID of the event that took place.
Return value
Type: HANDLE
Returns a handle (HLOCK) to the locked memory. Pass this value to SHChangeNotification_Unlock when finished.
Requirements
|
Minimum supported client | Windows 2000 Professional [desktop apps only] |
|---|---|
|
Minimum supported server | Windows 2000 Server [desktop apps only] |
|
Header |
|
|
Library |
|
|
DLL |
|
Send comments about this topic to Microsoft
Build date: 11/28/2012
