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<p class="Decl"><b>procedure</b> PrepareSampling; <span class="EmptyRef">virtual;</span> </p>
<h2>Description</h2>
<p class="Body">Descendants should override this method in order to perform special preparations before the <a href="GetSample.htm">GetSample</a> method is called. </p>
<p class="Body">Note: <span class="EmptyRef">PrepareSampling</span> is automatically called by <a href="../../../../GR32_Rasterizers/Classes/TRasterizer/_Body.htm">TRasterizer</a> 