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BrowseCallbackProc info

Specifies an application-defined callback function used with the SHBrowseForFolder function. The browse dialog box calls this function to notify it about events. The BFFCALLBACK type defines a pointer to this callback function.

int BrowseCallbackProc(

    HWND hwnd,

    UINT uMsg,

    LPARAM lParam,

    LPARAM lpData



Handle to the browse dialog box. The callback function can send the following messages to this window:


Enables the OK button if the wParam parameter is nonzero or disables it if wParam is zero.


Selects the specified folder. The lParam parameter is the PIDL of the folder to select if wParam is FALSE, or it is the path of the folder otherwise.


Sets the status text to the null-terminated string specified by the lParam parameter.

Value identifying the event. This parameter can be one of the following values:


The browse dialog box has finished initializing. lpData is NULL.


The selection has changed. lpData is a pointer to the item identifier list for the newly selected folder.

Message-specific value. For more information, see the description of uMsg.
Application-defined value that was specified in the lParam member of the BROWSEINFO structure.

Return Values

Returns zero.

See Also


See also:

file: /Techref/os/win/api/win32/func/src/f03_14.htm, 4KB, , updated: 2001/6/23 20:30, local time: 2022/5/23 16:15,

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