</ iframe > </noscript> <!-- End Google Tag Manager (noscript) --> <div id="BeforeHeaderContent"> </div> <div id="HeaderContent"> <div id="ProjectTitle">TouchToolKit for WinForms</div> <div id="PageTitle"><div id="PageTitleText">C1Zoom Mouse Wheel</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="C1ZoomOverview.html">C1Zoom Overview</a> > <a href="C1ZoomBehaviorProperties.html">C1Zoom Behavior Properties</a> > C1Zoom Mouse Wheel</td></tr></table></div> <div id="BodyContent"> <p>You can zoom the Form by <b>Ctrl + Mouse</b> Wheel scroll when the active control does not handle the MouseWheel message. To enable this behavior, use the following code:</p> <div class="FilteredContentCS" data-title="CS" data-itemid="CS"> <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">C1Zoom1.AllowMouseWheelZoom = True</td> </tr> </tbody> </table> </div> <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">c1Zoom1.AllowMouseWheelZoom = true;</td> </tr> </tbody> </table> </div> <div style="WIDTH: 100%"> <table class="hs-box"> <tbody> <tr> <td class="hs-box-icon" valign="top"><img src="images/hs-note.gif"></td> <td class="hs-box-content" valign="top"> <p><strong>Note:</strong></p> <ul> <li>If you set the <b>C1Zoom.AllowPinchZoom</b> property to <b>False</b>, the Form still can zoom, because the <b>Ctrl + MouseWheel</b> message is valid if <b>C1Zoom.AllowMouseWheelZoom = True</b>.</li> </ul> <ul> <li>If you add a <b>C1ZoomPanel</b> to the Form. Make sure the focus is in the C1ZoomPanel control. Pinch outside the <b>C1ZoomPanel</b>, the <b>C1ZoomPane</b>l will zoom if the <b>C1ZoomPanel.AllowMouseWheelZoom = True</b>.</li> </ul> </td> </tr> </tbody> </table> </div> <a name="seealsobookmark"></a> </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>