upstream/clipper-6.4.2/Documentation/Docs/Units/ClipperLib/Classes/PolyNode/Methods/GetNext.htm


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  <h1>PolyNode.GetNext</h1>


  <p class="Decl"><span class="Comment"> Del.&raquo; </span><b>function</b> GetNext: TPolyNode;</p>

  <p class="Decl2"><span class="Comment"> C++&nbsp;&raquo;</span> PolyNode* GetNext();</p>

  <p class="Decl3"><span class="Comment"> C#&nbsp;&nbsp;&raquo;</span> <b>public <span class="CSharp">PolyNode</span></b> GetNext();</p>


  <p class="Body"> The returned Polynode will be the first child if any, otherwise the next sibling, otherwise the next sibling of the Parent etc.<br><br> A PolyTree can be traversed very easily by calling GetFirst() followed by GetNext() in a loop until the returned object is a null pointer ...<br><br> 
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          <pre class="brush: cpp;">
  PolyTree polytree;
  //call to Clipper.Execute method here which fills 'polytree'
  
  PolyNode* polynode = polytree.GetFirst();
  while (polynode)
  {
    //do stuff with polynode here
	
    polynode = polynode-&gt;GetNext();
  }
  
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  <h2 id="Auto-SeeAlso">See Also</h2>
  <p class="Body"><a href="../../PolyTree/Methods/GetFirst.htm">PolyTree.GetFirst</a></p>
    
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