MCIWNDM_GETLENGTH  U9E3ZG 

The MCIWNDM_GETLENGTH message retrieves the length of the content or file currently used by an MCI device. You can send this message explicitly or by using the MCIWndGetLengthY6DGFA macro.

MCIWNDM_GETLENGTH

wParam = 0;

lParam = 0;

Return Values

Returns the length. The units for the length depend on the current time format.

See Also