IMediaControl::get_FilterCollection method (control.h)
[The feature associated with this page, DirectShow, is a legacy feature. It has been superseded by MediaPlayer, IMFMediaEngine, and Audio/Video Capture in Media Foundation. Those features have been optimized for Windows 10 and Windows 11. Microsoft strongly recommends that new code use MediaPlayer, IMFMediaEngine and Audio/Video Capture in Media Foundation instead of DirectShow, when possible. Microsoft suggests that existing code that uses the legacy APIs be rewritten to use the new APIs if possible.]
The get_FilterCollection method retrieves a collection of the filters in the filter graph.
This method is intended for use by Visual Basic 6.0 applications. It was documented for Visual Basic 6.0 as the FilgraphManager.FilterCollection property. C++ applications should use the IFilterGraph::EnumFilters method instead.
Syntax
HRESULT get_FilterCollection(
[out] IDispatch **ppUnk
);
Parameters
[out] ppUnk
Receives a pointer to the IDispatch interface. The caller must release the interface. You can query the returned pointer for the IAMCollection interface. The collection contains a list of IFilterInfo pointers.
Return value
If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 2000 Professional [desktop apps only] |
| Minimum supported server | Windows 2000 Server [desktop apps only] |
| Target Platform | Windows |
| Header | control.h (include Dshow.h) |
| Library | Strmiids.lib |