Edit

IConnector::GetDataFlow method (devicetopology.h)

  • Article

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

Syntax

HRESULT GetDataFlow(
  [out] DataFlow *pFlow
);

Parameters

[out] pFlow

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

Requirement Value
Minimum supported client Windows Vista [desktop apps only]
Minimum supported server Windows Server 2008 [desktop apps only]
Target Platform Windows
Header devicetopology.h

See also

IConnector Interface