MCIWndSetSpeed macro (vfw.h)

The MCIWndSetSpeed macro sets the playback speed of an MCI device. You can use this macro or explicitly send the MCIWNDM_SETSPEED message.

Syntax

LONG MCIWndSetSpeed(
     hwnd,
     iSpeed
);

Parameters

hwnd

Handle of the MCIWnd window.

iSpeed

Playback speed. Specify 1000 for normal speed, larger values for faster speeds, and smaller values for slower speeds.

Return value

Type: LONG

Returns zero if successful or an error otherwise.

Requirements