The MCIWndGetInactiveTimer macro retrieves the update period used when the MCIWnd window is the inactive window. You can use this macro or explicitly send the MCIWNDM_GETINACTIVETIMER message.
UINT MCIWndGetInactiveTimer(
hwnd
);
Returns the update period, in milliseconds. The default value is 2000 milliseconds.
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, MCIWNDM_GETINACTIVETIMER