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+  <title>Clear</title>
+
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+  <h1>PolyTree.Clear</h1>
+
+
+  <p class="Decl"><span class="Comment"> Del.&raquo; </span><b>procedure</b> Clear;</p>
+
+  <p class="Decl2"><span class="Comment"> C++&nbsp;&raquo;</span> <b>void</b> Clear();</p>
+
+  <p class="Decl3"><span class="Comment"> C#&nbsp;&nbsp;&raquo;</span> <b>public void</b> Clear();</p>
+<br>
+
+
+  <p class="Body"> This method clears any PolyNode children contained by PolyTree the object.<br><br> <b>Clear</b> does <em>not</em> need to be called explicitly. The <a href="../../Clipper/Methods/Execute.htm">Clipper.Execute</a> method that accepts a PolyTree parameter will <em>automatically</em> clear the PolyTree object before propagating it with new PolyNodes. Likewise, PolyTree's destructor will also automatically clear any contained PolyNodes. </p>
+
+  <h2 id="Auto-SeeAlso">See Also</h2>
+  <p class="Body"><a href="../../Clipper/Methods/Execute.htm">Clipper.Execute</a></p>
+    
+  <p class="Copyright" id="auto"> <br><br> Copyright &copy;2010-2014 Angus Johnson&nbsp; - &nbsp; Clipper 6.2.1 &nbsp; - &nbsp; Help file built on 1-November-2014 <br><br> </p>
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