API Reference > OdDb Classes > OdDbMPolygon Class > OdDbMPolygon Methods > OdDbMPolygon::getMPolygonTree Method
OdDbMPolygon::getMPolygonTree Method
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Syntax
C++
virtual OdResult getMPolygonTree(OdDbMPolygonNode*& loopNode) const;
Parameters
Parameters 
Description 
OdDbMPolygonNode*& loopNode 
[out] Pointer to the root node of the tree.  
Returns

eOk if tree creation is successful.

Description

Creates a nesting tree of nodes, where the nodes represent the nesting of the loops. 

 

Remarks
  • Return eOk if the loops count in OdDbMPolygon is zero.
  • To avoid memory leaks use OdDbMPolygon::deleteMPolygonTree(loopNode).
  • If loops in OdDbMPolygon were changed, get a new tree using this function.
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