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ODA Drawings SDK
API Reference > OdDb Classes > OdDbGraphNode Class > OdDbGraphNode Methods > OdDbGraphNode::cycleIn Method
OdDbGraphNode::cycleIn Method
Syntax
C++
OdDbGraphNode* cycleIn(int refIndex) const;

Returns the specified incoming cyclical reference of this GraphNode object. 

 

Parameters
Description
refIndex
[in] Reference index.

Returns a null pointer if and only if the index is not valid.

This function returns valid results only if OdDbGraph::findCycles() has been called with no intervening changes to the graph.

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