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4/8/2010

This interface is provided by the filter graph manager to let other objects, especially plug-in distributors, know when the graph has changed.

When to Implement

This interface is implemented by the filter graph manager.

When to Use

Use this interface if your application or plug-in distributor must know when filters have been added, deleted, or reconnected.

Methods in Vtable Order

The following table shows the methods that appear in the Vtable beneath the standard COM methods inherited from IUnknown.

Method Description

QueryVersion

Returns the current graph version number.

Requirements

Windows Embedded CE Windows CE 2.12 and later
Windows Mobile Windows Mobile Version 5.0 and later
Note Microsoft DirectShow applications and DirectShow filters have different include file and Library requirements
For more information, see Setting Up the Build Environment

See Also