IDvdControl2::SelectAtPosition
| Microsoft DirectShow 9.0 |
IDvdControl2::SelectAtPosition
The SelectAtPosition method highlights the menu button under the mouse pointer position.
Syntax
HRESULT SelectAtPosition( POINT point );
Parameters
point
[in] Point on the screen, in screen pixel coordinates.
Return Values
Returns one of the following values.
| Return code | Description |
| S_OK | Success. |
| VFW_E_DVD_NO_BUTTON | No button is present at the mouse pointer position. |
| VFW_E_DVD_INVALIDDOMAIN | The DVD Navigator is in the Stop domain. |
Remarks
Note that angle and menu button indexes are one-based while audio stream and subpicture stream indexes are zero-based.
Call IDvdControl2::ActivateButton in response to a mouse click when the pointer is over a menu button.
The following table shows the Annex J command name to which this method name corresponds, and the domains in which this method is valid.
This method is demonstrated in the DVDSample application in CDvdCore::OnMouseEvent.
| Annex J Command Name | Valid Domains |
| None | DVD_DOMAIN_VideoManagerMenu DVD_DOMAIN_VideoTitleSetMenu DVD_DOMAIN_Title DVD_DOMAIN_FirstPlay |
Requirements
Header: Declared in Strmif.h; include Dshow.h.
Library: Use Strmiids.lib.
See Also