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4/8/2010
This interface indicates whether a filter is a source filter or a renderer. Source and renderer filters can implement this interface.
Applications do not use this interface. The Filter Graph Manager uses this interface to determine how many EC_COMPLETE events it will receive when playback completes.
In addition to the methods inherited from IUnknown, this interface exposes the following methods.
| Method | Description |
|---|---|
Returns the filter's type, either source or renderer. |