IDvdControl2::ActivateButton

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Microsoft DirectShow 9.0

IDvdControl2::ActivateButton

The ActivateButton method activates the currently selected menu button.

Syntax

  HRESULT ActivateButton(void);

Parameters

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.

Remarks

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
DVD_DOMAIN_VideoTitleSetMenu
DVD_DOMAIN_Title

Requirements

Header: Declared in Strmif.h; include Dshow.h.

Library: Use Strmiids.lib.

See Also