MCIWNDM_OPENINTERFACE  E27FWU 

The MCIWNDM_OPENINTERFACE message attaches the data stream or file associated with the specified interface to an MCIWnd window. You can send this message explicitly or by using the MCIWndOpenInterface3GYV34 macro.

MCIWNDM_OPENINTERFACE

wParam = 0;

lParam = (LPARAM) (LPUNKNOWN) pUnk;

Parameters

pUnk

Address of an IAVI interface that points to a file or a data stream in a file.

Return Values

Returns zero if successful or an error otherwise.

See Also