|Microsoft DirectX 9.0|
The get__MediaFormatType method retrieves the DirectShow media format type as a GUID.
HRESULT get__MediaFormatType( GUID* pMediaFormatType );
[out] Pointer to a GUID that will receive the format type.
Returns S_OK if successful. If the method fails, error information can be retrieved using the standard COM IErrorInfo interface.
This method is available through C++ only. Note the two underscores in the method name as compared to the one underscore for the method that uses a BSTR as a parameter.