IMediaDet::get_StreamTypeB method

Note  [Deprecated. This API may be removed from future releases of Windows.]

The get_StreamTypeB method retrieves a string representing the GUID of the media type for the current stream.


HRESULT get_StreamTypeB(
  [out, retval] BSTR *pVal


pVal [out, retval]

Receives a string representation of the media type GUID.

Return value

If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.


The returned BSTR is formatted like the following: {73647561-0000-0010-8000-00AA00389B71}

The method allocates memory for the string. The application must call SysFreeString to free the memory.

Before calling this method, set the file name and stream by calling IMediaDet::put_Filename and IMediaDet::put_CurrentStream.

If the media detector is in bitmap grab mode, this method returns E_INVALIDARG. For more information, see IMediaDet::EnterBitmapGrabMode.

Note  The header file Qedit.h is not compatible with Direct3D headers later than version 7.
Note  To obtain Qedit.h, download the Microsoft Windows SDK Update for Windows Vista and .NET Framework 3.0. Qedit.h is not available in the Microsoft Windows SDK for Windows 7 and .NET Framework 3.5 Service Pack 1.






See also

IMediaDet Interface
Error and Success Codes