>&#160;</div><div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;    CPoint firstPoint;</div><div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;    CPoint lastPoint;</div><div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;    <span class="keywordtype">float</span>  startValue;</div><div class="line"><a name="l