| Microsoft DirectX 8.1 (C++) |
Retrieves a media stream from a multimedia stream by zero-based index.
Syntax
HRESULT EnumMediaStreams(
long Index,
IMediaStream **ppMediaStream
);
Parameters
Index
[in] Index of the stream array to check.
ppMediaStream
[out] Address of a pointer to an IMediaStream interface object. On return, it contains a pointer to the stream at the specified index.
Return Value
Returns one of the following values.
| Return code | Description |
| E_POINTER | The ppMediaStream pointer is invalid. |
| S_FALSE | Index is out of range; no streams are left to enumerate. When the method returns this value, it also sets ppMediaStream to NULL. |
| S_OK | Success. |
Remarks
You should call this method until it returns S_FALSE, which indicates that the stream enumeration is complete.
See Also