MCIWNDM_GETERROR

	Overview

	Group

	Quick Info

The MCIWNDM_GETERROR message retrieves the last MCI error encountered. You can send this message explicitly or by using the MCIWndGetError macro.

MCIWNDM_GETERROR

wParam = (WPARAM) (UINT) len;

lParam = (LPARAM) (LPVOID) lp;

Parameters
len

Size, in bytes, of the error buffer.

Address of an application-defined buffer used to return the error string.

Return Values
Returns the integer error value if successful.

Remarks
If lp is a valid pointer, a null-terminated string corresponding to the error is returned in its buffer. If the error string is longer than the buffer, MCIWnd truncates it.