IEnumFilters Interface
The IFilterGraph::EnumFilters method returns the enumerator interface. It is based on the COM IEnum style of enumerators.
When to Implement
This interface is implemented on the filter graph manager and is not intended for implementation by developers.
When to Use
This interface is used by applications or other filters to determine what filters exist in the filter graph.
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 |
|---|---|
| Next | Retrieves the specified number of filters in the enumeration sequence. |
| Skip | Skips a specified number of filters in the enumeration sequence. |
| Reset | Resets the enumeration sequence to the beginning. |
| Clone | Retrieves a duplicate enumerator containing the same enumeration state as the current one. |
Requirements
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.
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Last updated on Wednesday, April 13, 2005
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