MCIWNDM_OPEN

  • Article

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

Pointer to 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.

Requirements

**  Windows NT/2000/XP:** Included in Windows NT 3.1 and later.
**  Windows 95/98/Me:** Included in Windows 95 and later.
**  Header:** Declared in Vfw.h.
**  Unicode:** Declared as Unicode and ANSI messages.

See Also

MCIWndOpen