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IMFTopologyNodeAttributeEditor::UpdateNodeAttributes method (mfidl.h)

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Updates the attributes of one or more nodes in the current topology.

Syntax

HRESULT UpdateNodeAttributes(
  [in] TOPOID                      TopoId,
  [in] DWORD                       cUpdates,
  [in] MFTOPONODE_ATTRIBUTE_UPDATE *pUpdates
);

Parameters

[in] TopoId

Reserved.

[in] cUpdates

The number of elements in the pUpdates array.

[in] pUpdates

Pointer to an array of MFTOPONODE_ATTRIBUTE_UPDATE structures. Each element of the array updates one attribute on a node.

Return value

The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.

Return code Description
S_OK
 The method succeeded.

Remarks

Currently the only attribute that can be updated is the MF_TOPONODE_MEDIASTOP attribute. The method ignores any other attributes.

Requirements

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

See also

IMFTopologyNodeAttributeEditor