IMFVideoMixerControl::GetStreamZOrder method (evr.h)

Retrieves the z-order of a video stream.


HRESULT GetStreamZOrder(
  [in]  DWORD dwStreamID,
  [out] DWORD *pdwZ


[in] dwStreamID

Identifier of the stream. For the EVR media sink, the stream identifier is defined when the IMFMediaSink::AddStreamSink method is called. For the DirectShow EVR filter, the stream identifier corresponds to the pin index. The reference stream is always stream 0.

[out] pdwZ

Receives the z-order value.

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.
Invalid stream identifier.


Minimum supported client Windows Vista [desktop apps only]
Minimum supported server Windows Server 2008 [desktop apps only]
Target Platform Windows
Header evr.h
Library Strmiids.lib

See also

Enhanced Video Renderer