The MCIWndClose macro closes an MCI device or file associated with an MCIWnd window. Although the MCI device closes, the MCIWnd window is still open and can be associated with another MCI device. You can use this macro or explicitly send the MCI_CLOSE command.
LONG MCIWndClose(
hwnd
);
Returns zero.
Windows NT: Requires version 3.1 or later.
Windows: Requires Windows 95 or later.
Windows CE: Unsupported.
Header: Declared in vfw.h.
MCIWnd Window Class Overview, MCIWnd Macros, MCI_CLOSE