Microsoft DirectX 8.1 (C++)

IGuideDataEvent::ProgramChanged

The ProgramChanged method is called by the TIF when information about one or more programs has changed.

Syntax

HRESULT ProgramChanged(
  VARIANT  varProgramDescriptionID
);

Parameters

varProgramDescriptionID

[in]  Specifies the Description.ID metaproperty of the program that has changed. If this parameter is NULL, the consumer must get properties for all programs to determine which ones have 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, 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