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IMFCapturePreviewSink::SetSampleCallback method (mfcaptureengine.h)

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Sets a callback to receive the preview data for one stream.

Syntax

HRESULT SetSampleCallback(
  [in] DWORD                            dwStreamSinkIndex,
  [in] IMFCaptureEngineOnSampleCallback *pCallback
);

Parameters

[in] dwStreamSinkIndex

The zero-based index of the stream. The index is returned in the pdwSinkStreamIndex parameter of the IMFCaptureSink::AddStream method.

[in] pCallback

A pointer to the IMFCaptureEngineOnSampleCallback interface. The caller must implement this interface.

Return value

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

Remarks

Calling this method overrides any previous call to IMFCapturePreviewSink::SetRenderHandle.

Requirements

Requirement Value
Minimum supported client Windows 8 [desktop apps only]
Minimum supported server Windows Server 2012 [desktop apps only]
Target Platform Windows
Header mfcaptureengine.h

See also

IMFCapturePreviewSink