BrowseCallbackProc
[Now
Supported on Windows NT]
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 |
|
|
); |
|
Parameters
hwnd
Handle to the
browse dialog box. The callback function can send the following messages to
this window:
|
BFFM_ENABLEOK |
Enables the
OK button if the wParam parameter is nonzero or disables it if wParam
is zero. |
|
BFFM_SETSELECTION |
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. |
|
BFFM_SETSTATUSTEXT |
Sets the
status text to the null-terminated string specified by the lParam
parameter. |
uMsg
Value
identifying the event. This parameter can be one of the following values:
|
BFFM_INITIALIZED |
The browse
dialog box has finished initializing. lpData is NULL. |
|
BFFM_SELCHANGED |
The selection
has changed. lpData is a pointer to the item identifier list for the
newly selected folder. |
lParam
Message-specific
value. For more information, see the description of uMsg.
lpData
Application-defined
value that was specified in the lParam member of the BROWSEINFO
structure.
Return Values
Returns zero.
See Also