IConnector::GetDataFlow method

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

Syntax


HRESULT GetDataFlow(
  [out] 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 codeDescription
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

Minimum supported client

Windows Vista [desktop apps only]

Minimum supported server

Windows Server 2008 [desktop apps only]

Header

Devicetopology.h

See also

IConnector Interface

 

 

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