MSVidWebDVD.ActivateAtPosition Method
| Microsoft DirectShow 9.0 |
MSVidWebDVD.ActivateAtPosition Method
This topic applies to Windows XP Service Pack 1 or later.
The ActivateAtPosition method activates the menu button at the specified position.
Syntax
VidWebDVD .ActivateAtPosition( xPos As Long, yPos As Long )
Parameters
xPos
Specifies an x coordinate.
yPos
Specifies a y coordinate.
Return Values
This method does not return a value.
Error Codes
If the property fails, Err.Number may be set to one of the following values.
| Value | Description |
| E_UNEXPECTED | Unspecified error. Two possible reasons include:
The graph has not been built. --or-- The button is present but is not working. |
| E_INVALIDARG | The point lies outside the valid video region. |
| VFW_E_DVD_INVALIDDOMAIN | The DVD Navigator filter is not in a menu domain. |
| VFW_E_DVD_NO_BUTTON | There is no menu button under the mouse pointer position. |
| 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 .ActivateAtPosition( xPos , yPos)
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 |
| None | DVD_DOMAIN_VideoManagerMenu DVD_DOMAIN_VideoTitleSetMenu |
Requirements
Reference: Add a reference to MS Video Control 1.0 Type Library and Microsoft Tuner 1.0 Type Library.
Library: Quartz.dll.
See Also