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This notification message is sent by SendNotifyMessagefrom the shell to the window that was registered with SHChangeNotifyRegister.
A window receives this message through its WindowProcfunction.
The following prototype code is an example of a callback function WindowProcto handle the change notification message.
Syntax
LRESULT CALLBACK WindowProc( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam ); |
Parameters
- hwnd
-
Handle to the window that was registered with the SHChangeNotifyRegisterfunction and will receive the WM_FILECHANGEINFO message.
- msg
-
Window message that is sent by SendNotifyMessagefrom the shell.
- wParam
-
This parameter is reserved for future use; the value of this parameter must be set to 0.
- lParam
-
Pointer to a FILECHANGENOTIFYstructure containing all of the relevant data.
Requirements
Header | shlobj.h |
Library | ceshell.lib |
Windows Embedded CE | Windows CE 3.0 and later |
Windows Mobile | Pocket PC 2002 and later, Smartphone 2002 and later |
See Also
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