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1<html> 2<!-- Creation date: 07/12/2002 --> 3<head> 4<title></title> 5<meta name="Description" content=""> 6<meta name="Keywords" content=""> 7<meta name="Author" content="RANDOM"> 8<meta name="Generator" content="AceHTML 4 Pro"> 9<link href="../SeldonWeb.css" type="text/css" rel="stylesheet"> 10</head> 11<body> 12<center><h1>IIntfTree/IStrTree/ITree</h1></center> 13 14<h2>Unit</h2> 15 DCL_intf 16 17<h2>Inheritance</h2> 18 <p>Derived from <a href="Collection.html">IIntfCollection/IStrCollection/ICollection</a></p> 19 20<h2>Methods</h2> 21 22<code>TTraverseOrder = (toPreOrder, toOrder, toPostOrder);</code> 23 24<h3>IIntfTree</h3> 25<code> 26 <b>function</b> GetTraverseOrder: TTraverseOrder;<br> 27 <b>procedure</b> SetTraverseOrder(Value: TTraverseOrder);<br> 28 <b>property</b> TraverseOrder: TTraverseOrder <b>read</b> GetTraverseOrder <b>write</b> SetTraverseOrder;<br> 29</code> 30 31<h3>IStrTree</h3> 32<code> 33 <b>function</b> GetTraverseOrder: TTraverseOrder;<br> 34 <b>procedure</b> SetTraverseOrder(Value: TTraverseOrder);<br> 35 <b>property</b> TraverseOrder: TTraverseOrder <b>read</b> GetTraverseOrder <b>write</b> SetTraverseOrder;<br> 36</code> 37 38<h3>ITree</h3> 39<code> 40 <b>function</b> GetTraverseOrder: TTraverseOrder;<br> 41 <b>procedure</b> SetTraverseOrder(Value: TTraverseOrder);<br> 42 <b>property</b> TraverseOrder: TTraverseOrder <b>read</b> GetTraverseOrder <b>write</b> SetTraverseOrder;<br> 43</code> 44 45<h2>Description</h2> 46 47<p>A tree is hierarchical container with parents/childs concepts.</p> 48 49<table border="1" width="80%" align="center" bgcolor="white" cellpadding="5" cellspacing="0"> 50 <tr> 51 <th bgcolor="silver"> Method </td> 52 <th bgcolor="silver"> Description </td> 53 </tr> 54 <tr> 55 <td>GetTraverseOrder</td> 56 <td> 57 Return the current traverse order (PreOrder, Order or PostOrder) of the tree. The traverse order is used for iterators. 58 </td> 59 </tr> 60 <tr> 61 <td>SetTraverseOrder</td> 62 <td> 63 Set the traverse order (PreOrder, Order or PostOrder) of the tree. The traverse order is used for iterators. 64 </td> 65 </tr> 66</table> 67 68<h2>Implemented By</h2> 69 <ul> 70 <li> <a href="../Classes/BinaryTree.html">BinaryTree</a> 71 </ul> 72 73</body> 74</html>