IMFTopologyNode::GetTopoNodeID method (mfidl.h)
Retrieves the identifier of the node.
Syntax
HRESULT GetTopoNodeID(
[out] TOPOID *pID
);
Parameters
[out] pID
Receives the identifier.
Return value
If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.
Remarks
When a node is first created, it is assigned an identifier. Node identifiers are unique within a topology, but can be reused across several topologies. The topology loader uses the identifier to look up nodes in the previous topology, so that it can reuse objects from the previous topology.
To find a node in a topology by its identifier, call IMFTopology::GetNodeByID.
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
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