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MCIWNDM_GETDEVICE message

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The MCIWNDM_GETDEVICE message retrieves the name of the currently open MCI device. You can send this message explicitly or by using the MCIWndGetDevice macro.

MCIWNDM_GETDEVICE 
wParam = (WPARAM) (UINT) len; 
lParam = (LPARAM) (LPVOID) lp;

Parameters

len

Size, in bytes, of the buffer.

lp

Pointer to an application-defined buffer to return the device name.

Return Value

Returns zero if successful or a nonzero value otherwise.

Remarks

If the null-terminated string containing the device name is longer than the buffer, MCIWnd truncates it.

Requirements

Requirement Value
Minimum supported client
 Windows 2000 Professional [desktop apps only]
Minimum supported server
 Windows 2000 Server [desktop apps only]
Header
Vfw.h