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[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 It has been superseded by MediaPlayer, IMFMediaEngine, and Audio/Video Capture in Media Foundation.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.]
Note This interface is deprecated. New applications should not use it.
OpenMoniker method opens a file or device moniker; you can read media data from this moniker if DirectShow supports the moniker.
Syntax
HRESULT OpenMoniker(
[in] IBindCtx *pCtx,
[in] IMoniker *pMoniker,
[in] DWORD dwFlags
);
Parameters
[in] pCtx
Pointer to the bind context associated with the moniker.
[in] pMoniker
Pointer to an IMoniker interface that specifies the moniker you want to open.
[in] dwFlags
Value that modifies how the filter graph will render the specified file. This value is a combination of one or more of the following flags.
| Value | Description |
|---|---|
| AMMSF_NOCLOCK | Run the stream with no clock. |
| AMMSF_NORENDER | Open the file, but do not render any streams. This flag should always be accompanied with the AMMSF_RUN flag. |
| AMMSF_RENDERALLSTREAMS | Render all streams, including those that do not have an existing media stream. |
| AMMSF_RENDERTOEXISTING | Only render to existing streams. |
| AMMSF_RUN | Set the stream into the run state. |
Return value
Returns S_OK if successful or E_INVALIDARG if the dwFlags parameter is invalid.
Requirements
| Requirement | Value |
|---|---|
| Target Platform | Windows |
| Header | amstream.h |