The CDM_SETCONTROLTEXT message sets the text for the specified control in 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.
CDM_SETCONTROLTEXT
wParam = (WPARAM) id;
lParam = (LPARAM) (LPSTR) text;
// corresponding macro
void CommDlg_OpenSave_SetControlText(hdlg, id, text)
No return value.
Windows NT: Requires version 4.0 or later.
Windows: Requires Windows 95 or later.
Windows CE: Requires version 1.0 or later.
Header: Declared in commdlg.h.
Common Dialog Box Library Overview, Common Dialog Box Messages, GetOpenFileName, GetSaveFileName, OPENFILENAME