</ iframe > </noscript> <!-- End Google Tag Manager (noscript) --> <div id="BeforeHeaderContent"> </div> <div id="HeaderContent"> <!--DXMETADATA start type="Literal" condition="communityenabled" value="%%scrap:name=_COMMUNITY_RATING%%" --><!--DXMETADATA end --> <!--DXMETADATA start type="LogoImage" --><!--DXMETADATA end--> <div id="ProjectTitle"><!--DXMETADATA start type="ProjectTitle" -->Chart3D for WPF and Silverlight<!--DXMETADATA end--></div> <div id="PageTitle"><div id="PageTitleText"><!--DXMETADATA start type="ItemTitle" -->PreviewDrop Event (C1Chart3DLegend)<!--DXMETADATA end--></div></div> </div> <div id="AfterHeaderContent"> <!--DXMETADATA start type="Literal" condition="childitems:itemtype=example,filter=""type=inline""" value="<a class=""PageLink"" href=""#ExampleBookmark"" onclick=""javascript:dxOpenSectionById('exampleSectionHeader');"">$$Example$$</a> " --><!--DXMETADATA end --><!-- Spacing --> <span id="ToggleAllSectionsLink" class="FunctionLink"> <label 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none;">Language Filter: JScript</label> <label id="CPPLabel" for="LanguageFilterPopupLink" style="display: none;">Language Filter: Managed Extensions for C++</label> <label id="CPP2005Label" for="LanguageFilterPopupLink" style="display: none;">Language Filter: C++/CLI</label> <!--DXMETADATA end --> </span> <div class="PopupContent" id="LanguageCheckboxes"> <!--DXMETADATA start type="FilteredItemList" scrap="LANGUAGE_CHECKBOX_LIST" namespace="language" filter="type=all" source="Item" format="" --> <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="VBUsage" id="VBUsageLanguageCheckbox" type="checkbox" class="ToggleLanguageCheckbox" checked="true" data-toggleclass="FilteredContentVBUsage"> <label class="LanguageFilter" for="VBUsageCheckbox"> Visual Basic (Usage) </label> <br><input data-languagename="CS" id="CSLanguageCheckbox" type="checkbox" class="ToggleLanguageCheckbox" checked="true" data-toggleclass="FilteredContentCS"> <label class="LanguageFilter" for="CSCheckbox"> C# </label> <br><input data-languagename="Delphi" id="DelphiLanguageCheckbox" type="checkbox" class="ToggleLanguageCheckbox" checked="true" data-toggleclass="FilteredContentDelphi"> <label class="LanguageFilter" for="DelphiCheckbox"> Delphi </label> <br><input data-languagename="JScript" id="JScriptLanguageCheckbox" type="checkbox" class="ToggleLanguageCheckbox" checked="true" data-toggleclass="FilteredContentJScript"> <label class="LanguageFilter" for="JScriptCheckbox"> JScript </label> <br><input data-languagename="CPP" id="CPPLanguageCheckbox" type="checkbox" class="ToggleLanguageCheckbox" checked="true" data-toggleclass="FilteredContentCPP"> <label class="LanguageFilter" for="CPPCheckbox"> Managed Extensions for C++ </label> <br><input data-languagename="CPP2005" id="CPP2005LanguageCheckbox" type="checkbox" class="ToggleLanguageCheckbox" checked="true" data-toggleclass="FilteredContentCPP2005"> <label class="LanguageFilter" for="CPP2005Checkbox"> C++/CLI </label> <!--DXMETADATA end --> </div> <!--DXMETADATA start type="IsWebOutputRootPageLinkEnabled" format="<a href='#' class='PageLink' id='viewInFrameLink' title='$$VIEW_WITH_NAVIGATION_TOOLS_TIP$$' style='display: none' data-root-page='%%WebOutputRootPage%%%%OutputFileExtension%%' target='_top'>$$VIEW_WITH_NAVIGATION_TOOLS_TEXT$$</a>" --><!--DXMETADATA end--> </div> <!--DXMETADATA start type="Breadcrumbs" scrap="_BREADCRUMBS" --><div class="BreadcrumbsContainer"><table><tr><td> <a href="C1.WPF.C1Chart3D.4~C1.WPF.C1Chart3D_namespace.html">C1.WPF.C1Chart3D Namespace</a> > <a href="C1.WPF.C1Chart3D.4~C1.WPF.C1Chart3D.C1Chart3DLegend.html">C1Chart3DLegend Class</a> : PreviewDrop Event</td></tr></table></div><!--DXMETADATA end --> <!--DXMETADATA start type="FilteredItemList" scrap="PARAMETERS_BUBBLES" namespace="parameter" source="Item" --><!--DXMETADATA end --> <div id="BodyContent"> <!--DXMETADATA start type="Description" source="Item" format="<div class=""DescriptionContent"">%%description%%</div>" --><!--DXMETADATA end --> <!--DXMETADATA start type="SyntaxSection" format="%%scrap:name=_COLLAPSIBLE_HEADER,idprefix=syntax,caption=$$Syntax$$%%%%SyntaxSection%%</div>" --><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> <li class="FilteredContentDelphi"><a href="#Syntax-Delphi">Delphi</a></li> <li class="FilteredContentJScript"><a href="#Syntax-JScript">JScript</a></li> <li class="FilteredContentCPP"><a href="#Syntax-CPP">Managed Extensions for C++</a></li> <li class="FilteredContentCPP2005"><a href="#Syntax-CPP2005">C++/CLI</a></li> </ul> <div id="Syntax-VB" class="FilteredContentVB"> <pre><pre><span style="color: #008000; ">'Declaration </span> </pre><pre><span style="color: #0000FF; ">Public</span> <span style="color: #0000FF; ">Event</span> PreviewDrop <span style="color: #0000FF; ">As</span> System.Windows.DragEventHandler</pre></pre> </div> <div id="Syntax-VBUsage" class="FilteredContentVBUsage"> <pre><pre><span style="color: #008000; ">'Usage </span> </pre><pre><span style="color: #0000FF; ">Dim</span> instance <span style="color: #0000FF; ">As</span> <a href="C1.WPF.C1Chart3D.4~C1.WPF.C1Chart3D.C1Chart3DLegend.html">C1Chart3DLegend</a> <span style="color: #0000FF; ">Dim</span> handler <span style="color: #0000FF; ">As</span> System.Windows.DragEventHandler <span style="color: #0000FF; ">AddHandler</span> instance.PreviewDrop, handler</pre></pre> </div> <div id="Syntax-CS" class="FilteredContentCS"> <pre><pre><span style="color: #0000FF; ">public</span> <span style="color: #0000FF; ">event</span> System.Windows.DragEventHandler PreviewDrop</pre></pre> </div> <div id="Syntax-Delphi" class="FilteredContentDelphi"> <pre><pre><span style="color: #0000FF; ">public</span> <span style="color: #0000FF; ">event</span> PreviewDrop: System.Windows.DragEventHandler; </pre></pre> </div> <div id="Syntax-JScript" class="FilteredContentJScript"> <pre><pre>In JScript, you can handle the events defined by another class, but you cannot define your own.</pre></pre> </div> <div id="Syntax-CPP" class="FilteredContentCPP"> <pre><pre><span style="color: #0000FF; ">public</span>: __event System.Windows.DragEventHandler* PreviewDrop</pre></pre> </div> <div id="Syntax-CPP2005" class="FilteredContentCPP2005"> <pre><pre><span style="color: #0000FF; ">public</span>: <span style="color: #0000FF; ">event</span> System.Windows.DragEventHandler^ PreviewDrop</pre></pre> </div> </div> </div><!--DXMETADATA end --> <!--DXMETADATA start type="FilteredItemList" scrap="EVENTHANDLER_PROPERTY_LIST" namespace="property" source="Item" filter="scope=public" NoCr="True" format="%%scrap:name=_COLLAPSIBLE_HEADER,idprefix=exceptions,caption="$$EVENT_DATA$$"%%%%Scrap:Name=_EVENT_DATA_INTRO%%%%filtereditemlist%%</div>" blankformat="</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.DragEventArgs containing data related to this event. The following <b>DragEventArgs</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>Data</strong></td><td class="DescriptionCell">Gets a data object (implements <strong>System.Windows.IDataObject</strong>) that contains the data associated with the corresponding drag event. This value is not useful in all event cases; see Remarks. </td></tr><tr><td class="LinkCell"><strong>Handled</strong></td><td class="DescriptionCell">Gets or sets a value that indicates the present state of the event handling for a routed event as it travels the route. </td></tr><tr><td class="LinkCell"><a href="System.Windows~System.Windows.RoutedEventArgs~OriginalSource.html">OriginalSource</a></td><td class="DescriptionCell"> (Inherited from System.Windows.RoutedEventArgs)</td></tr></table></div><!--DXMETADATA end --> <!--DXMETADATA start type="TaggedComment" source="Item" id="##REMARKS" format="%%scrap:name=_COLLAPSIBLE_HEADER,idprefix=remarks,caption=$$Remarks$$%%%%comment%%</div>" --><!--DXMETADATA end --> <a name="exampleBookmark"></a> <!--DXMETADATA start type="TaggedComment" source="Item" id="##EXAMPLEINTRO" format="%%replaceinquotes:value=false%%%%scrap:name=_COLLAPSIBLE_HEADER,idprefix=example,caption=""$$Example$$%%designlist:tagidentifier=##EXAMPLECODE,itemtype=Example%%""%%%%comment%%" --><!--DXMETADATA end --> <!--DXMETADATA start type="FilteredItemList" scrap="EXAMPLEGROUP_LIST" namespace="ExampleGroup" source="Item" filter="type=inline" condition="content:content=""%%GroupExamples%%"",operator=""="",value=""True""" NoHeader="True" NoFooter="True" format="%%replaceinquotes:value=false%%%%taggedcomment:source=item,id=##EXAMPLEINTRO,blankformat=""%%scrap:name=_COLLAPSIBLE_HEADER,idprefix=example,caption=$$Example$$%%"",format= %%%%filtereditemlist%%</div>" blankformat="%%taggedcomment:source=item,id=##EXAMPLEINTRO,format=</div>%%" --><!--DXMETADATA end --> <!--DXMETADATA start type="FilteredItemList" scrap="INLINE_EXAMPLE" namespace="Example" source="Item" filter="type=inline" condition="content:content=""%%GroupExamples%%"",operator=""<>"",value=""True""" NoHeader="True" NoFooter="True" format="%%replaceinquotes:value=false%%%%taggedcomment:source=item,id=##EXAMPLEINTRO,blankformat=""%%scrap:name=_COLLAPSIBLE_HEADER,idprefix=example,caption=$$Example$$%%"",format= %%%%filtereditemlist%%</div>" blankformat="%%taggedcomment:source=item,id=##EXAMPLEINTRO,format=</div>%%" --><!--DXMETADATA end --> <!--DXMETADATA start type="FilteredItemList" scrap="MENU_LINK" namespace="example" source="Item" filter="" NoHeader="True" NoFooter="True" format="%%scrap:name=_COLLAPSIBLE_HEADER,idprefix=example,caption=$$Example$$%%%%filtereditemlist%%</div>" --><!--DXMETADATA end --> <!--DXMETADATA start type="TaggedComment" source="Item" id="##REQUIREMENTS" format="%%scrap:name=_COLLAPSIBLE_HEADER,idprefix=requirements,caption=$$Requirements$$%%%%comment%%</div>" blankformat="%%variable:name=defaultmemberrequirements%%" --><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><!--DXMETADATA end --> <a name="seealsobookmark"></a> <!--DXMETADATA start type="FilteredItemList" scrap="CATEGORIZED_LINKS" namespace="linkcategory" source="Item" filter="" NoHeader="True" NoFooter="True" format="%%replaceinquotes:value=false%%%%scrap:name=_COLLAPSIBLE_HEADER,idprefix=seealso,caption=""$$See_Also$$%%designlist:tagidentifier=##SEEALSO,itemtype=See Also%%""%%%%filtereditemlist%%</div>"--><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.C1Chart3D.4~C1.WPF.C1Chart3D.C1Chart3DLegend.html">C1Chart3DLegend Class</a> <br><a href="C1.WPF.C1Chart3D.4~C1.WPF.C1Chart3D.C1Chart3DLegend_members.html">C1Chart3DLegend Members</a> </p> </div><!--DXMETADATA end--> </div> <div id="FooterContent"> <!--DXMETADATA start type="Scrap" condition="communityenabled" name="_COMMUNITY_FOOTER" --><!--DXMETADATA end --> <!--DXMETADATA start type="Variable" name="CopyrightNotice" format="<p> </p><p> </p><hr style=""height: 1px"" /><p>%%variable%%</p>" --><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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