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CDN_TYPECHANGE Overview  Group


The CDN_TYPECHANGE notification message is sent by an Explorer-style Open or Save As common dialog box when the user selects a new file type from the file types combo box. Your OFNHookProc hook procedure receives this message in the form of a WM_NOTIFY message. 

CDN_TYPECHANGE 

lpon = (LPOFNOTIFY) lParam; 

 

Parameters

lpon
Address of an OFNOTIFY structure.

The OFNOTIFY structure contains an NMHDR structure whose code member indicates the CDN_TYPECHANGE notification code.

The OFNOTIFY structure also contains a pointer to an OPENFILENAME structure whose nFilterIndex member indicates the one-based index of the newly selected file type filter.

Return Values

The return value is ignored.

Remarks

The system sends this notification only if the dialog box was created using the OFN_EXPLORER value.

See Also

GetOpenFileName, GetSaveFileName, NMHDR, OFNHookProc, OFNOTIFY, OPENFILENAME, WM_NOTIFY 

See also:

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