IMFTopology::GetNode method (mfidl.h)
Gets a node in the topology, specified by index.
Syntax
HRESULT GetNode(
[in] WORD wIndex,
[out] IMFTopologyNode **ppNode
);
Parameters
[in] wIndex
The zero-based index of the node. To get the number of nodes in the topology, call IMFTopology::GetNodeCount.
[out] ppNode
Receives a pointer to the node's IMFTopologyNode interface. The caller must release the pointer.
Return value
The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.
| Return code | Description |
|---|---|
|
The method succeeded. |
|
The index is less than zero. |
|
No node can be found at the index wIndex. |
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 |