MCIWNDM_OPEN
The
MCIWNDM_OPEN message opens an MCI device and associates it with an MCIWnd
window. For MCI devices that use data files, this macro can also open a
specified data file, name a new file to be created, or display a dialog box to
let the user select a file to open. You can send this message explicitly or by
using the MCIWndOpen
macro.
MCIWNDM_OPEN
wParam = (WPARAM) (UINT) wFlags;
lParam = (LPARAM) (LPVOID) szFile;
Parameters
wFlags
Flags
associated with the device or file to open. The MCIWNDOPENF_NEW flag specifies
a new file is to be created with the name specified in szFile.
szFile
Address of a
null-terminated string identifying the filename or MCI device name to open.
Specify -1 for this parameter to display
the Open dialog box.
Return Values
Returns zero
if successful or an error otherwise.
See Also