1<html> 2 3<head> 4 5 <script type="text/javascript" src="../../../../../../Scripts/jquery.js"> 6 </script> 7 8 <script type="text/javascript" src="../../../../../../Scripts/SyntaxHighlighter/scripts/shCore.js"> 9 </script> 10 11 <script type="text/javascript" src="../../../../../../Scripts/SyntaxHighlighter/scripts/shBrushDelphi.js"> 12 </script> 13 14 <script type="text/javascript" src="../../../../../../Scripts/SyntaxHighlighter/scripts/shBrushCpp.js"> 15 </script> 16 17 <script type="text/javascript" src="../../../../../../Scripts/SyntaxHighlighter/scripts/shBrushCSharp.js"> 18 </script> 19 20 <link type="text/css" rel="stylesheet" href="../../../../../../Scripts/SyntaxHighlighter/styles/shCoreDefault.css"> 21 22 <link type="text/css" rel="stylesheet" href="../../../../../../Scripts/SyntaxHighlighter/styles/shThemeDefault.css"> 23 24 25 <title>IsHole</title> 26 27 <link rel="stylesheet" href="../../../../../../Styles/default.css" type="text/css"> 28 29 30 <script type="text/javascript" src="../../../../../../Scripts/bootstrap.js"> 31 </script> 32 33</head> 34 35<body bgcolor="#FFFFFF"> 36 37 <!-- THIS FILE HAS BEEN AUTOMATICALLY PROCESSED FROM A SOURCE COPY --> 38 39 <!-- DO NOT EDIT MANUALLY !!! --> 40 41 <table class="Banner" cellspacing="0" cellpadding="0" border="1" bordercolorlight="#303080" bordercolordark="#7070B0"> 42 <tr> 43 <td class="Banner" nowrap=""><a href="../../../../../_Body.htm" class="Banner"><img src="../../../../../../Images/_Home.gif" align="absmiddle">Home</a> 44 </td> 45 <td class="Banner" nowrap=""><a href="../../../_Body.htm" class="Banner"><img src="../../../../../../Images/_Unit.gif" align="absmiddle">ClipperLib</a> 46 </td> 47 <td class="Banner" nowrap=""><a href="../_Body.htm" class="Banner"><img src="../../../../../../Images/_Class.gif" align="absmiddle">PolyNode</a> 48 </td> 49 <td class="Banner" width="100%" align="right"><img src="../../../../../../Images/_Project_Logo.gif" align="absmiddle"> 50 </td> 51 </tr> 52 </table> 53 <h1>PolyNode.IsHole</h1> 54 55 56 <p class="Decl"><span class="Comment">Del.»</span> IsHole: Boolean; <span class="Comment">//read only</span></p> 57 58 <p class="Decl2"><span class="Comment"> C++ »</span> bool IsHole; <span class="Comment">//field</span></p> 59 60 <p class="Decl3"><span class="Comment"> C# »</span> <b>public <span class="CSharp">bool</span></b> IsHole; <span class="Comment">//read only property</span></p> 61 62 63 <p class="Body"> Returns true when the PolyNode's polygon (<a href="./Contour.htm">Contour</a>) is a <a href="../../../../../Overview/_Body.htm#terminology">hole</a>.<br><br> Children of <em>outer</em> polygons are always <em>holes</em>, and children of <em>holes</em> are always (nested) <em>outer</em> polygons.<br> The IsHole property of a <a href="../../PolyTree/_Body.htm">PolyTree</a> object is undefined but its children are always top-level <em>outer</em> polygons. </p> 64 65 <h2 id="Auto-SeeAlso">See Also</h2> 66 <p class="Body"><a href="../../../../../Overview/_Body.htm">Overview</a>, <a href="Contour.htm">Contour</a>, <a href="../../PolyTree/_Body.htm">PolyTree</a></p> 67 68 <p class="Copyright" id="auto"> <br><br> Copyright ©2010-2014 Angus Johnson - Clipper 6.2.1 - Help file built on 1-November-2014 <br><br> </p> 69 70</body> 71 72</html>