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IMFTopology::CloneFrom method (mfidl.h)

  • Article

Converts this topology into a copy of another topology.

Syntax

HRESULT CloneFrom(
  [in] IMFTopology *pTopology
);

Parameters

[in] pTopology

A pointer to the IMFTopology interface of the topology to clone.

Return value

If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Remarks

This method does the following:

  • Removes all of the nodes from this topology.
  • Clones the nodes from pTopology and adds them to this topology. The cloned nodes have the same node identifiers as the nodes from pTopology.
  • Connects the cloned nodes to match the connections in pTopology.
  • Copies the attributes from pTopology to this topology.
  • Copies the topology identifier from pTopology to this topology.

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

IMFTopology

Topologies