MCIWndReturnString macro (vfw.h)

The MCIWndReturnString macro retrieves the reply to the most recent MCI string command sent to an MCI device. Information in the reply is supplied as a null-terminated string. You can use this macro or explicitly send the MCIWNDM_RETURNSTRING message.

Syntax

LONG MCIWndReturnString(
     hwnd,
     lp,
     len
);

Parameters

hwnd

Handle of the MCIWnd window.

lp

Pointer to an application-defined buffer to contain the null-terminated string.

len

Size, in bytes, of the buffer.

Return value

Type: LONG

Returns an integer corresponding to the MCI string.

Remarks

If the null-terminated string is longer than the buffer, the string is truncated.

Requirements