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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 It has been superseded by MediaPlayer, IMFMediaEngine, and Audio/Video Capture in Media Foundation.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.]
The put_EnableMulticast method enables or disables multicast-based streaming.
Syntax
HRESULT put_EnableMulticast(
VARIANT_BOOL EnableMulticast
);
Parameters
EnableMulticast
Specify one of the following values.
| Value | Description |
|---|---|
| VARIANT_TRUE | Enable multicast-based streaming. |
| VARIANT_FALSE | Disable multicast-based streaming. |
Return value
If the method succeeds, it returns S_OK. If it fails, 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 | qnetwork.h |