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A3DTreeGetRootNode
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.. c:function:: A3DStatus A3DTreeGetRootNode(const A3DTree *pTree, A3DTreeNode **ppRootNode)

   .. rst-class:: sig-pretty-signature
   
      | :c:enum:`~A3DStatus` A3DTreeGetRootNode(*const* :c:type:`~A3DTree`\ \* **pTree**\ , :c:type:`~A3DTreeNode`\ \*\* **ppRootNode**\ )
   
   get root node of model tree
   
   **Parameters**
   
   
      **pTree**\ : The model tree
   
      **ppRootNode**\ : The root of model tree
   
   




