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<title>PolyType</title>
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<h1>PolyType</h1>
<p class="Decl"><span class="Comment">Del.»</span> <b>type</b> TPolyType = (ptSubject, ptClip);</p>
<p class="Decl2"><span class="Comment">C++ »</span> <b>enum</b> PolyType { ptSubject, ptClip };</p>
<p class="Decl3"><span class="Comment">C# »</span> <b>public enum</b> PolyType { ptSubject, ptClip };</p>
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<p class="Body"> Boolean (clipping) operations are mostly applied to two sets of Polygons, represented in this library as <em>subject</em> and <em>clip</em> polygons. Whenever Polygons are added to the Clipper object, they must be assigned to either subject or clip polygons.<br><br> UNION operations can be performed on one set or both sets of polygons, but all other boolean operations require both sets of polygons to derive meaningful solutions.<br><br> </p>
<h2 id="Auto-SeeAlso">See Also</h2>
<p class="Body"><a href="../Classes/ClipperBase/Methods/AddPath.htm">ClipperBase.AddPath</a>, <a href="../Classes/ClipperBase/Methods/AddPaths.htm">ClipperBase.AddPaths</a>, <a href="ClipType.htm">ClipType</a></p>
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