IMFTopology::GetSourceNodeCollection method

Gets the source nodes in the topology.

Syntax


HRESULT GetSourceNodeCollection(
  [out] IMFCollection **ppCollection
);

Parameters

ppCollection [out]

Receives a pointer to the IMFCollection interface. The caller must release the pointer. The collection contains IUnknown pointers to all of the source nodes in the topology. Each pointer can be queried for the IMFTopologyNode interface. The collection might be empty.

Return value

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

Requirements

Minimum supported client

Windows Vista [desktop apps only]

Minimum supported server

Windows Server 2008 [desktop apps only]

Header

Mfidl.h

Library

Mfuuid.lib

See also

IMFTopology
IMFTopologyNode::GetNodeType
Topologies

 

 

Show: