IWMSyncReader::GetStreamSelected method (wmsdkidl.h)
[The feature associated with this page, Windows Media Format 11 SDK, is a legacy feature. It has been superseded by Source Reader and Sink Writer. Source Reader and Sink Writer have been optimized for Windows 10 and Windows 11. Microsoft strongly recommends that new code use Source Reader and Sink Writer instead of Windows Media Format 11 SDK, when possible. Microsoft suggests that existing code that uses the legacy APIs be rewritten to use the new APIs if possible.]
The GetStreamSelected method retrieves a flag indicating whether a particular stream is currently selected.
Syntax
HRESULT GetStreamSelected(
[in] WORD wStreamNum,
[out] WMT_STREAM_SELECTION *pSelection
);
Parameters
[in] wStreamNum
WORD containing the stream number.
[out] pSelection
Pointer to a variable that receives one member of the WMT_STREAM_SELECTION enumeration type on output. This value specifies the selection status for the specified stream.
Return value
The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.
| Return code | Description |
|---|---|
|
The method succeeded. |
|
The method failed for an unspecified reason. |
|
The pSelection parameter is NULL, or the stream number is invalid. |
|
No file is open in the synchronous reader. |
Remarks
This method is identical to IWMReaderAdvanced::GetStreamSelected.
Requirements
| Minimum supported client | Windows 2000 Professional [desktop apps only],Windows Media Format 9 Series SDK, or later versions of the SDK |
| Minimum supported server | Windows 2000 Server [desktop apps only] |
| Target Platform | Windows |
| Header | wmsdkidl.h (include Wmsdk.h) |
| Library | Wmvcore.lib; WMStubDRM.lib (if you use DRM) |