The MCIWNDM_SETTIMERS message sets the update periods used by MCIWnd to update the trackbar in the MCIWnd window, update the position information displayed in the window title bar, and send notification messages to the parent window. You can send this message explicitly or by using the MCIWndSetTimers macro.
MCIWNDM_SETTIMERS
wParam = (WPARAM) (UINT) active;
lParam = (LPARAM) (UINT) inactive;
This message does not return a value.
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 Messages, MCIWndSetTimers