MCI_OVLY_OPEN_PARMS

The MCI_OVLY_OPEN_PARMS structure contains information for the MCI_OPEN command for video-overlay devices.

typedef struct {
    DWORD_PTR   dwCallback; 
    MCIDEVICEID wDeviceID; 
    LPCTSTR     lpstrDeviceType; 
    LPCTSTR     lpstrElementName; 
    LPCTSTR     lpstrAlias; 
    DWORD       dwStyle; 
    DWORD       hWndParent; 
} MCI_OVLY_OPEN_PARMS; 
 

Members

dwCallback

The low-order word specifies a window handle used for the MCI_NOTIFY flag.

wDeviceID

Identifier returned to application.

lpstrDeviceType

Name or constant identifier of the device type. (The name of the device is typically obtained from the registry or SYSTEM.INI file.) If this member is a constant, it can be one of the values listed in MCI Device Types.

lpstrElementName

Device element name (usually a path).

lpstrAlias

Optional device alias.

dwStyle

Window style.

hWndParent

Handle to parent window.

Remarks

When assigning data to the members of this structure, set the corresponding flags in the fdwCommand parameter of the mciSendCommand function to validate the members.

You can use the MCI_OPEN_PARMS structure in place of MCI_OVLY_OPEN_PARMS if you are not using the extended data members.

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 Mmsystem.h; include Windows.h.
**  Unicode:** Declared as Unicode and ANSI structures.

See Also

MCI, MCI Structures, MCI_OPEN, MCI_OPEN_PARMS, mciSendCommand