IMFTopologyNodeAttributeEditor::UpdateNodeAttributes method (mfidl.h)

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.

Remarks

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

Requirements

See also

IMFTopologyNodeAttributeEditor