Compartir a través de

IConnector::GetDataFlow

  • Artículo
Previous Next

IConnector::GetDataFlow

The GetDataFlow method gets the direction of data flow through this connector.

HRESULT GetDataFlow(
  DataFlow  *pFlow
);

Parameters

pFlow

[out]  Pointer to a variable into which the method writes the data-flow direction. The direction is one of the following DataFlow enumeration values:

In

Out

If data flows into the device through the connector, the data-flow direction is In. Otherwise, the data-flow direction is Out.

Return Value

If the method succeeds, it returns S_OK. If it fails, possible return codes include, but are not limited to, the values shown in the following table.

Return code Description
E_POINTER Pointer pFlow is NULL.

Remarks

For a code example that calls this method, see the implementation of the SelectCaptureDevice function in Device Topologies.

Requirements

Client: Windows Vista

Header: Include Devicetopology.h.

See Also

Previous Next