MCIWNDM_GETFILENAME

	Overview

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The MCIWNDM_GETFILENAME message retrieves the filename currently used by an MCI device. You can send this message explicitly or by using the MCIWndGetFileName macro.

MCIWNDM_GETFILENAME

wParam = (WPARAM) (UINT) len;

lParam = (LPARAM) (LPVOID) lp;

Parameters
len

Size, in bytes, of the buffer.

Address of an application-defined buffer to return the filename.

Return Values
Returns zero if successful or 1 otherwise.

Remarks
If the null-terminated string containing the filename is longer than the buffer, MCIWnd truncates the filename.