public static extern void MFCreateTopologyNode(MF_TOPOLOGY_TYPE NodeType, out IMFTopologyNode ppNode);
public static extern HRESULT MFCreateTopologyNode(MF_TOPOLOGY_TYPE NodeType, IMFTopologyNode **ppNode);
public static extern void MFCreateTopologyNode(MF_TOPOLOGY_TYPE NodeType, out IMFTopologyNode ppNode);
public static extern HRESULT MFCreateTopologyNode(MF_TOPOLOGY_TYPE NodeType, IMFTopologyNode **ppNode);