| Microsoft DirectX 9.0 |
This topic applies to Windows XP Service Pack 1 only.
The ActivateButton method activates the selected menu button.
Syntax
VidWebDVD.ActivateButton
Parameters
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. |
Remarks
The buttons checked by this method are the MSVidWebDVD screen buttons, not the surrounding HTML page or form buttons.
Example
oVidWebDVD.ActivateButton
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 DVD_DOMAIN_VideoTitleSetMenu DVD_DOMAIN_Title |
See Also