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CDM_SETDEFEXT Overview  Group

The CDM_SETDEFEXT message sets the default filename extension for an Explorer-style Open or Save As common dialog box. The dialog box must have been created with the OFN_EXPLORER flag; otherwise, the message fails.


wParam = 0; 

lParam = (LPARAM) (LPSTR) pszext; 


// corresponding macro

void CommDlg_OpenSave_SetDefExt(hdlg, pszext)



Handle of the common dialog box window to receive the message.
Pointer to the new filename extension. Must not include the dot (.).

Return Values

No return value.

See Also

GetOpenFileName, GetSaveFileName, OPENFILENAME 

file: /Techref/os/win/api/win32/mess/src/msg03_2.htm, 1KB, , updated: 2000/4/7 12:19, local time: 2022/8/17 22:35,

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