IGraphVersion Interface

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.


DirectShow applications and DirectShow filters have different include file and link library requirements. See Setting Up the Build Environment for more information.

OS Versions: Windows CE 2.12 and later. Version 2.12 requires DXPAK 1.0 or later.

See Also

DirectShow Interfaces

Last updated on Wednesday, April 13, 2005

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