|Microsoft DirectX 9.0|
This topic applies to Windows XP Service Pack 1 only.
The IsProfileLocked method queries whether the Stream Buffer Sink filter's profile is locked.
This method takes no parameters.
Returns an HRESULT. Possible values include those in the following table.
|S_OK||The profile is locked.|
|S_FALSE||The profile is not locked.|
|E_FAIL||The method failed.|
When the filter's profile is locked, the number of streams and their media types are fixed. For more information, see IStreamBufferSink::LockProfile.