Microsoft DirectX 8.1 (C++)

IGuideDataEvent::ServiceChanged

The ServiceChanged method is called by the TIF when the service with the specified Description.ID has been changed.

Syntax

HRESULT ServiceChanged(
  VARIANT  varServiceDescriptionID
);

Parameters

varServiceDescriptionID

[in]  VARIANT containing the service Description.ID. If this parameter is NULL, the consumer must get properties for all services to determine which ones changed.

Return Values

The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.

Return code Description
S_OK The method succeeded.

Remarks

If a transport analyzer supports IGuideDataEvent, then it must supply this event.

"Description.ID" is shorthand for the metaproperty of MetaPropertyType "ID" within the standard Guide Store MetaPropertySet named "Description." For more information, see Metaproperties.

See Also