SHChangeNotification_Lock function (shlobj_core.h)
Locks the shared memory associated with a Shell change notification event.
Syntax
HANDLE SHChangeNotification_Lock(
[in] HANDLE hChange,
DWORD dwProcId,
[out, optional] PIDLIST_ABSOLUTE **pppidl,
[out, optional] LONG *plEvent
);
Parameters
[in] hChange
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).
[out, optional] pppidl
Type: PIDLIST_ABSOLUTE**
The address of a pointer to a PIDLIST_ABSOLUTE that, when this function returns successfully, receives the list of affected PIDLs.
[out, optional] plEvent
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
Requirement | Value |
---|---|
Minimum supported client | Windows 2000 Professional [desktop apps only] |
Minimum supported server | Windows 2000 Server [desktop apps only] |
Target Platform | Windows |
Header | shlobj_core.h (include Shlobj.h) |
Library | Shell32.lib |
DLL | Shell32.dll (version 6.0 or later) |
API set | ext-ms-win-shell-shell32-l1-2-1 (introduced in Windows 10, version 10.0.10240) |
Σχόλια
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