</ iframe > </noscript> <!-- End Google Tag Manager (noscript) --> <div id="BeforeHeaderContent"> </div> <div id="HeaderContent"> <div id="ProjectTitle">DataSource for Entity Framework in WPF</div> <div id="PageTitle"><div id="PageTitleText">PreviewMouseWheel Event</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><!-- Spacing --> <span id="LanguageFilterPopupLink" class="PopupLink" data-popupcontentsource="#LanguageCheckboxes" data-popuptitle='Language Filter'> <label id="ShowAllLabel" for="LanguageFilterPopupLink"> Language Filter: All </label> <label id="MultipleLabel" for="LanguageFilterPopupLink" style="display: none;"> Language Filter: Multiple </label> <label id="VBAllLabel" for="LanguageFilterPopupLink" style="display: none;"> Language Filter: Visual Basic </label> <label id="VBLabel" for="LanguageFilterPopupLink" style="display: none;">Language Filter: Visual Basic (Declaration)</label> <label id="CSLabel" for="LanguageFilterPopupLink" style="display: none;">Language Filter: C#</label> </span> <div class="PopupContent" id="LanguageCheckboxes"> <input data-languagename="VB" id="VBLanguageCheckbox" type="checkbox" class="ToggleLanguageCheckbox" checked="true" data-toggleclass="FilteredContentVB"> <label class="LanguageFilter" for="VBCheckbox"> Visual Basic (Declaration) </label> <br><input data-languagename="CS" id="CSLanguageCheckbox" type="checkbox" class="ToggleLanguageCheckbox" checked="true" data-toggleclass="FilteredContentCS"> <label class="LanguageFilter" for="CSCheckbox"> C# </label> </div> </div> <div class="BreadcrumbsContainer"><table><tr><td> <a href="C1.WPF.Data.Entity.4~C1.WPF.Data.Entities_namespace.html">C1.WPF.Data.Entities Namespace</a> > <a href="C1.WPF.Data.Entity.4~C1.WPF.Data.Entities.C1DataSource.html">C1DataSource Class</a> : PreviewMouseWheel Event</td></tr></table></div> <div id="BodyContent"> <div class="SectionHeading" id="syntaxSectionHeading"><span class="SectionHeadingIcon"><!-- --></span><span class="SectionHeadingText">Syntax</span></div><div id="syntaxSectionContent" class="SectionContent"> <div class="TabContainer" id="TabContainer"> <ul> <li class="FilteredContentVBAll"><a href="#Syntax-VBAll">Visual Basic</a></li> <li class="FilteredContentCS"><a href="#Syntax-CS">C#</a></li> </ul> <div id="Syntax-VB" class="FilteredContentVB"> <pre>'Declaration Public Event PreviewMouseWheel As System.Windows.Input.MouseWheelEventHandler</pre> </div> <div id="Syntax-CS" class="FilteredContentCS"> <pre>public event System.Windows.Input.MouseWheelEventHandler PreviewMouseWheel</pre> </div> </div> </div> <div class="SectionHeading" id="exceptionsSectionHeading"><span class="SectionHeadingIcon"><!-- --></span><span class="SectionHeadingText">Event Data</span></div><div id="exceptionsSectionContent" class="SectionContent"><p>The event handler receives an argument of type System.Windows.Input.MouseWheelEventArgs containing data related to this event. The following <b>MouseWheelEventArgs</b> properties provide information specific to this event.</p><table class="FilteredItemListTable"><tr><th>Property</th><th>Description</th></tr><tr><td class="LinkCell"><strong>Delta</strong></td><td class="DescriptionCell">Gets a value that indicates the amount that the mouse wheel has changed. </td></tr><tr><td class="LinkCell"><a href="PresentationCore~System.Windows.Input.InputEventArgs~Device.html">Device</a></td><td class="DescriptionCell"> (Inherited from System.Windows.Input.InputEventArgs)</td></tr><tr><td class="LinkCell"><a href="PresentationCore~System.Windows.RoutedEventArgs~Handled.html">Handled</a></td><td class="DescriptionCell"> (Inherited from System.Windows.RoutedEventArgs)</td></tr><tr><td class="LinkCell"><a href="PresentationCore~System.Windows.Input.MouseEventArgs~LeftButton.html">LeftButton</a></td><td class="DescriptionCell"> (Inherited from System.Windows.Input.MouseEventArgs)</td></tr><tr><td class="LinkCell"><a href="PresentationCore~System.Windows.Input.MouseEventArgs~MiddleButton.html">MiddleButton</a></td><td class="DescriptionCell"> (Inherited from System.Windows.Input.MouseEventArgs)</td></tr><tr><td class="LinkCell"><a href="PresentationCore~System.Windows.Input.MouseEventArgs~MouseDevice.html">MouseDevice</a></td><td class="DescriptionCell"> (Inherited from System.Windows.Input.MouseEventArgs)</td></tr><tr><td class="LinkCell"><a href="PresentationCore~System.Windows.RoutedEventArgs~OriginalSource.html">OriginalSource</a></td><td class="DescriptionCell"> (Inherited from System.Windows.RoutedEventArgs)</td></tr><tr><td class="LinkCell"><a href="PresentationCore~System.Windows.Input.MouseEventArgs~RightButton.html">RightButton</a></td><td class="DescriptionCell"> (Inherited from System.Windows.Input.MouseEventArgs)</td></tr><tr><td class="LinkCell"><a href="PresentationCore~System.Windows.RoutedEventArgs~RoutedEvent.html">RoutedEvent</a></td><td class="DescriptionCell"> (Inherited from System.Windows.RoutedEventArgs)</td></tr><tr><td class="LinkCell"><a href="PresentationCore~System.Windows.RoutedEventArgs~Source.html">Source</a></td><td class="DescriptionCell"> (Inherited from System.Windows.RoutedEventArgs)</td></tr><tr><td class="LinkCell"><a href="PresentationCore~System.Windows.Input.MouseEventArgs~StylusDevice.html">StylusDevice</a></td><td class="DescriptionCell"> (Inherited from System.Windows.Input.MouseEventArgs)</td></tr><tr><td class="LinkCell"><a href="PresentationCore~System.Windows.Input.InputEventArgs~Timestamp.html">Timestamp</a></td><td class="DescriptionCell"> (Inherited from System.Windows.Input.InputEventArgs)</td></tr><tr><td class="LinkCell"><a href="PresentationCore~System.Windows.Input.MouseEventArgs~XButton1.html">XButton1</a></td><td class="DescriptionCell"> (Inherited from System.Windows.Input.MouseEventArgs)</td></tr><tr><td class="LinkCell"><a href="PresentationCore~System.Windows.Input.MouseEventArgs~XButton2.html">XButton2</a></td><td class="DescriptionCell"> (Inherited from System.Windows.Input.MouseEventArgs)</td></tr></table></div> <a name="exampleBookmark"></a> <div class="SectionHeading" id="requirementsSectionHeading"><span class="SectionHeadingIcon"><!-- --></span><span class="SectionHeadingText">Requirements</span></div><div id="requirementsSectionContent" class="SectionContent"><p><b>Target Platforms:</b> Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2</p></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"><h4 class="subHeading">Reference</h4><p><a href="C1.WPF.Data.Entity.4~C1.WPF.Data.Entities.C1DataSource.html">C1DataSource Class</a> <br><a href="C1.WPF.Data.Entity.4~C1.WPF.Data.Entities.C1DataSource_members.html">C1DataSource Members</a> </p> </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. 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