Microsoft DirectX 9.0

MSVidWebDVD.ActivateButton Method

This topic applies to Windows XP Service Pack 1 only.

The ActivateButton method activates the selected menu button.




This method takes no parameters.

Return Values

Use this method to activate a button that has been selected through the SelectLeftButton, SelectLowerButton, SelectUpperButton, or SelectRightButton method.

Error Codes

If the property fails, Err.Number may be set to one of the following values.

Value Description
E_UNEXPECTED Unspecified error. Possible reason is that

the graph has not been built.

VFW_E_DVD_INVALIDDOMAIN The DVD Navigator filter is not in a menu domain.
VFW_E_DVD_NO_BUTTON No button is currently selected.
VFW_E_DVD_OPERATION_INHIBITED The operation is inhibited by user operation (UOP) control.


The buttons checked by this method are the MSVidWebDVD screen buttons, not the surrounding HTML page or form buttons.



Valid Domains

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