</ 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" -->Xamarin.Android Documentation<!--DXMETADATA end--></div> <div id="PageTitle"><div id="PageTitleText"><!--DXMETADATA start type="ItemTitle" -->CollectionChanged Event<!--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 id="CollapseAllLabel"><!--DXMETADATA start type="Phrase" name="COLLAPSE_ALL" -->Collapse All<!--DXMETADATA end--></label> <label id="ExpandAllLabel" style="display: none;"><!--DXMETADATA start type="Phrase" name="EXPAND_ALL" -->Expand All<!--DXMETADATA end--></label> </span><!--DXMETADATA start type="Literal" condition="communityenabled" value="%%scrap:name=_COMMUNITY_DROPDOWN%%" --><!--DXMETADATA end --><!-- Spacing --> <span id="LanguageFilterPopupLink" class="PopupLink" data-popupcontentsource="#LanguageCheckboxes" data-popuptitle='<!--DXMETADATA start type="Phrase" name="Language_Filter" -->Language Filter<!--DXMETADATA end -->'> <label id="ShowAllLabel" for="LanguageFilterPopupLink"> <!--DXMETADATA start type="Phrase" name="Language_Filter_All" -->Language Filter: All<!--DXMETADATA end --> </label> <label id="MultipleLabel" for="LanguageFilterPopupLink" style="display: none;"> <!--DXMETADATA start type="Phrase" name="Language_Filter_Multiple" -->Language Filter: Multiple<!--DXMETADATA end --> </label> <label id="VBAllLabel" for="LanguageFilterPopupLink" style="display: none;"> <!--DXMETADATA start type="Phrase" name="Language_Filter" -->Language Filter<!--DXMETADATA end -->: <!--DXMETADATA start type="Phrase" name="Language_VB" -->Visual Basic<!--DXMETADATA end --> </label> <!--DXMETADATA start type="FilteredItemList" scrap="LANGUAGE_LABEL_LIST" namespace="language" filter="type=all" source="Item" format="" --> <label id="CSLabel" for="LanguageFilterPopupLink" style="display: none;">Language Filter: C#</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="CS" id="CSLanguageCheckbox" type="checkbox" class="ToggleLanguageCheckbox" checked="true" data-toggleclass="FilteredContentCS"> <label class="LanguageFilter" for="CSCheckbox"> C# </label> <!--DXMETADATA end --> </div> </div> <!--DXMETADATA start type="Breadcrumbs" scrap="_BREADCRUMBS" --><div class="BreadcrumbsContainer"><table><tr><td> <a href="C1.CollectionView.html">C1.CollectionView Assembly</a> > <a href="C1.CollectionView~C1.CollectionView_namespace.html">C1.CollectionView Namespace</a> > <a href="C1.CollectionView~C1.CollectionView.C1ReadOnlyCollectionViewBase`1.html">C1ReadOnlyCollectionViewBase<T> Class</a> : CollectionChanged 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>" --><div class="DescriptionContent"> Occurs after the collection changed. </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="FilteredContentCS"><a href="#Syntax-CS">C#</a></li> </ul> <div id="Syntax-CS" class="FilteredContentCS"> <pre><pre><span style="color: #0000FF; ">public</span> <span style="color: #0000FF; ">event</span> <a href="#" onclick="javascript:navigateToHelp2Keyword('frlrfSystemCollectionsSpecializedNotifyCollectionChangedEventHandlerClassTopic','System.Collections.Specialized.NotifyCollectionChangedEventHandler')">NotifyCollectionChangedEventHandler</a> CollectionChanged</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 <a href="#" onclick="javascript:navigateToHelp2Keyword('frlrfSystemCollectionsSpecializedNotifyCollectionChangedEventArgsClassTopic','System.Collections.Specialized.NotifyCollectionChangedEventArgs')">NotifyCollectionChangedEventArgs</a> containing data related to this event. The following <b>NotifyCollectionChangedEventArgs</b> properties provide information specific to this event.</p><table class="FilteredItemListTable"><tr><th>Property</th><th>Description</th></tr><tr><td class="LinkCell"><a href="#" onclick="javascript:navigateToHelp2Keyword('frlrfSystemCollectionsSpecializedNotifyCollectionChangedEventArgsClassActionTopic','System.Collections.Specialized.NotifyCollectionChangedEventArgs.Action')">Action</a></td><td class="DescriptionCell"> </td></tr><tr><td class="LinkCell"><a href="#" onclick="javascript:navigateToHelp2Keyword('frlrfSystemCollectionsSpecializedNotifyCollectionChangedEventArgsClassNewItemsTopic','System.Collections.Specialized.NotifyCollectionChangedEventArgs.NewItems')">NewItems</a></td><td class="DescriptionCell"> </td></tr><tr><td class="LinkCell"><a href="#" onclick="javascript:navigateToHelp2Keyword('frlrfSystemCollectionsSpecializedNotifyCollectionChangedEventArgsClassNewStartingIndexTopic','System.Collections.Specialized.NotifyCollectionChangedEventArgs.NewStartingIndex')">NewStartingIndex</a></td><td class="DescriptionCell"> </td></tr><tr><td class="LinkCell"><a href="#" onclick="javascript:navigateToHelp2Keyword('frlrfSystemCollectionsSpecializedNotifyCollectionChangedEventArgsClassOldItemsTopic','System.Collections.Specialized.NotifyCollectionChangedEventArgs.OldItems')">OldItems</a></td><td class="DescriptionCell"> </td></tr><tr><td class="LinkCell"><a href="#" onclick="javascript:navigateToHelp2Keyword('frlrfSystemCollectionsSpecializedNotifyCollectionChangedEventArgsClassOldStartingIndexTopic','System.Collections.Specialized.NotifyCollectionChangedEventArgs.OldStartingIndex')">OldStartingIndex</a></td><td class="DescriptionCell"> </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%%" --><!--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.CollectionView~C1.CollectionView.C1ReadOnlyCollectionViewBase`1.html">C1ReadOnlyCollectionViewBase<T> Class</a> <br><a href="C1.CollectionView~C1.CollectionView.C1ReadOnlyCollectionViewBase`1_members.html">C1ReadOnlyCollectionViewBase<T> 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>" --><!--DXMETADATA end --> <!--DXMETADATA start type="Variable" name="FeedbackLink" format="" --><a href="mailto:support@company.com?subject=Documentation Feedback: C1.CollectionView~C1.CollectionView.C1ReadOnlyCollectionViewBase`1~CollectionChanged_EV.html">Send Feedback</a><!--DXMETADATA end--> </div> </body> </html>