Condividi tramite

IBDA_Topology::GetControlNode method (bdaiface.h)

  • Articolo

[The feature associated with this page, Microsoft TV Technologies, is a legacy feature. Microsoft strongly recommends that new code does not use this feature.]

The GetControlNode method retrieves an IUnknown interface pointer for a specified control node.

Syntax

HRESULT GetControlNode(
  [in]  ULONG    ulInputPinId,
  [in]  ULONG    ulOutputPinId,
  [in]  ULONG    ulNodeType,
  [out] IUnknown **ppControlNode
);

Parameters

[in] ulInputPinId

Specifies the identifier of the input pin for which a topology should be created.

[in] ulOutputPinId

Specifies the identifier of the output pin for which a topology should be created.

[in] ulNodeType

The type of node to be opened.

[out] ppControlNode

Pointer to a pointer to the control node's IUnknown interface

Return value

If the method succeeds, it returns S_OK. If it fails, it returns an error code.

Requirements

Requirement Value
Target Platform Windows
Header bdaiface.h

See also

Error and Success Codes

IBDA_Topology Interface