</ iframe > </noscript> <!-- End Google Tag Manager (noscript) --> <div id="BeforeHeaderContent"> </div> <div id="HeaderContent"> <div id="ProjectTitle">3D Chart for WinForms</div> <div id="PageTitle"><div id="PageTitleText">Determining the Closest Data Point</div></div> </div> <div id="AfterHeaderContent"> <!-- Spacing --> <span id="ToggleAllSectionsLink" class="FunctionLink"> <label id="CollapseAllLabel">Collapse All</label> <label id="ExpandAllLabel" style="display: none;">Expand All</label> </span> </div> <div class="BreadcrumbsContainer"><table><tr><td> <a href="3dchartenduserintera.html">3D Chart End-User Interaction</a> > <a href="returningcoordinatev.html">Returning Coordinate Values</a> > Determining the Closest Data Point</td></tr></table></div> <div id="BodyContent"> <div id="HSShowAll" align="right"> <a onclick="showAllDropDownSections();" href="#"><img border="0" alt="Show All" src="images/hs-toggler-collapsed.png">Show All</a> </div> <div id="HSHideAll" align="right"> <a onclick="hideAllDropDownSections();" href="#"><img border="0" alt="Hide All" src="images/hs-toggler-expanded.png">Hide All</a> </div> <p>To determine the closest data point to a set of pixel coordinates, call <a href="C1.Win.C1Chart3D.4~C1.Win.C1Chart3D.Chart3DData~CoordToDataIndex.html">CoordToDataIndex</a>:</p> <p class="hs-toggler">To write code in Visual Basic</p> <div style="DISPLAY: none" class="hs-toggler-container"> <div class="FilteredContentVB.Net" data-title="VB.Net" data-itemid="VB.Net"> <table class="SyntaxTable"> <tbody> <tr> <th>Visual Basic</th> <th> <div class="CopyCodeWrapper"> <span class="CopyCode">Copy Code</span> </div> </th> </tr> <tr> <td colspan="2"> <pre> Dim Row, Column As Integer C1Chart3D1.ChartGroups(0).ChartData.CoordToDataIndex( 225, 92, Column, Row) <font color="green">' CoordToDataIndex returns the row and column of the closest data point.</font> </pre> </td> </tr> </tbody> </table> </div> </div> <p class="hs-toggler">To write code in C#</p> <div style="DISPLAY: none" class="hs-toggler-container"> <div class="FilteredContentCS" data-title="CS" data-itemid="CS"> <table class="SyntaxTable"> <tbody> <tr> <th>C#</th> <th> <div class="CopyCodeWrapper"> <span class="CopyCode">Copy Code</span> </div> </th> </tr> <tr> <td colspan="2"> <pre> int Row=0, Column=0; C1Chart3D1.ChartGroups[0].ChartData.CoordToDataIndex(225, 92, ref Column, ref Row); <font color="green">// CoordToDataIndex returns the row and column of the closest data point.</font> </pre> </td> </tr> </tbody> </table> </div> </div> <a name="seealsobookmark"></a> <div class="SectionHeading" id="seealsoSectionHeading"><span class="SectionHeadingIcon"><!-- --></span><span class="SectionHeadingText">See Also</span></div><div id="seealsoSectionContent" class="SectionContent"><div class="SeeAlsoLink"> <a href="chart3dforwinformsta.html">Chart 3D for WinForms Task-Based Help</a></div> </div> </div> <div id="FooterContent"> <p> </p><p> </p><hr style="height: 1px"><p>Copyright (c) <script type="text/javascript"> var theDate=new Date() document.write(theDate.getFullYear()) </script> GrapeCity, inc. All rights reserved. <script> $(document).ready(function() { if (!(window.self !== window.top)) { // Not running in a frameset // Get the page name var pageName = location.href.substring(location.href.lastIndexOf("/") + 1); if (pageName.indexOf("#") != -1) { pageName = pageName.substring(0, pageName.indexOf("#")); } // Append to webframe.html var framePage = "webframe.html#" + pageName; location.href = framePage; } }); </script></p> <a target="_blank" href="http://our.componentone.com/groups/">Product Support Forum</a> | <a target="_blank" href="http://feedback.componentone.com/forums/255782-winforms-documentation">Documentation Feedback</a> </div> </body> </html>