Microsoft DirectX 9.0


The ActivateButton method activates the selected menu button.


HRESULT ActivateButton(void);


This method takes no parameters.

Return Values

Returns one of the following values.

Return code Description
S_OK Success.
VFW_E_DVD_INVALIDDOMAIN The DVD Navigator is in an invalid domain.
VFW_E_DVD_OPERATION_INHIBITED UOP control prohibits the DVD Navigator from entering a paused state.
VFW_E_DVD_NO_BUTTON No button is selected.


An application might or might not have four relative buttons on the side of the video display to represent the buttons on a physical remote control. These enable a user to select menu buttons but not activate them. A fifth button is required to activate the selected button. Call ActivateButton in response to a mouse click on the fifth 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.

Annex J Command Name Valid Domains
Button_Activate DVD_DOMAIN_VideoManagerMenu

See Also