The MCIWNDM_NEW message creates a new file for the current MCI device. You can send this message explicitly or by using the MCIWndNew macro.
MCIWNDM_NEW
wParam = 0;
lParam = (LPARAM) (LPVOID) lp;
Returns zero if successful or an error otherwise.
Windows NT: Requires version 3.1 or later.
Windows: Requires Windows 95 or later.
Windows CE: Unsupported.
Header: Declared in vfw.h.
Unicode: Defined as Unicode and ANSI messages.
MCIWnd Window Class Overview, MCIWnd Messages, MCIWndNew