This 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.
At a Glance
| Header file: | Commdlg.h |
| Windows CE versions: | 1.0 and later |
Syntax
CDN_TYPECHANGE lpon = (LPOFNOTIFY) lParam;
Parameters
lpon
Long pointer to 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, OFNOTIFY, OPENFILENAME, WM_NOTIFY