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Note This topic applies to Windows XP Service Pack 1 or later.
The ActivateButton method activates the selected menu button.
VidWebDVD.ActivateButton
Parameters
This method takes no parameters.
Return Value
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. |
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 |
Remarks
The buttons checked by this method are the MSVidWebDVD screen buttons, not the surrounding HTML page or form buttons.
Examples
oVidWebDVD.ActivateButton
Requirements
Type Library |
MS Video Control 1.0 Type Library and Microsoft Tuner 1.0 Type Library |
DLL |
Quartz.dll |
See Also
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Build date: 7/6/2010