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  <h1>PolyTree.GetFirst</h1>


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

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

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


  <p class="Body"> This method returns the first outer polygon contour if any, otherwise a null pointer.<br><br> This function is almost equivalent to calling Childs[0] except that when a PolyTree object is empty (has no children), calling Childs[0] would raise an out of range exception. </p>

 
 
 


  <h2 id="Auto-SeeAlso">See Also</h2>
  <p class="Body"><a href="../../PolyNode/Methods/GetNext.htm">PolyNode.GetNext</a>, <a href="../../PolyNode/Properties/ChildCount.htm">PolyNode.ChildCount</a>, <a href="../../PolyNode/Properties/Childs.htm">PolyNode.Childs</a></p>
    
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