</ 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" -->GroupAsync<T>(ICollectionView<T>,String[]) Method<!--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.ICollectionViewEx.html">ICollectionViewEx Class</a> > <a href="C1.CollectionView~C1.CollectionView.ICollectionViewEx~GroupAsync.html">GroupAsync Method</a> : GroupAsync<T>(ICollectionView<T>,String[]) Method</td></tr></table></div><!--DXMETADATA end --> <!--DXMETADATA start type="FilteredItemList" scrap="GENERICARGUMENT_BUBBLES" namespace="generic argument" source="Item" --> <div id="TPopupContent" class="PopupContent"> </div> <!--DXMETADATA end --> <!--DXMETADATA start type="FilteredItemList" scrap="PARAMETERS_BUBBLES" namespace="parameter" source="Item" --> <div id="collectionViewPopupContent" class="PopupContent"> The collection view. </div> <div id="fieldsPopupContent" class="PopupContent"> The fields. </div> <!--DXMETADATA end --> <div id="BodyContent"> <!--DXMETADATA start type="Description" source="Item" format="<div class=""DescriptionContent"">%%description%%</div>" --><div class="DescriptionContent"> Groups the collection view according to the specified group fields. </div><!--DXMETADATA end --> <!--DXMETADATA start type="TaggedComment" source="Item" id="##OVERLOADS" format="%%comment%%" --><!--DXMETADATA end --> <!--DXMETADATA start type="FilteredItemList" scrap="OVERLOAD_LIST" namespace="method" source="Item" filter="" format="%%scrap:name=_COLLAPSIBLE_HEADER,idprefix=overloadlist,caption=$$OverloadList$$%%%%filtereditemlist%%</div>" --><!--DXMETADATA end --> <!--DXMETADATA start type="SyntaxSection" format="%%scrap:name=_COLLAPSIBLE_HEADER,idprefix=syntax,caption=$$Syntax$$%%%%SyntaxSection%%" --><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>[<a href="#" onclick="javascript:navigateToHelp2Keyword('frlrfSystemRuntimeCompilerServicesExtensionAttributeClassTopic','System.Runtime.CompilerServices.ExtensionAttribute')">Extension</a>()] [<a href="#" onclick="javascript:navigateToHelp2Keyword('frlrfSystemRuntimeCompilerServicesAsyncStateMachineAttributeClassTopic','System.Runtime.CompilerServices.AsyncStateMachineAttribute')">AsyncStateMachine</a>(C1.CollectionView.ICollectionViewEx+d__19`1[T])] <span style="color: #0000FF; ">public</span> <span style="color: #0000FF; ">static</span> <a href="#" onclick="javascript:navigateToHelp2Keyword('frlrfSystemThreadingTasksTaskClassTopic','System.Threading.Tasks.Task')">Task</a> GroupAsync<<a class="PopupLink" id="TPopupLink" data-popupcontentsource="#TPopupContent" data-popupshowevent="click mouseenter">T</a>>( <a href="C1.CollectionView~C1.CollectionView.ICollectionView`1.html">ICollectionView<T></a> <i><a class="PopupLink" id="collectionViewPopupLink" data-popupcontentsource="#collectionViewPopupContent" data-popupshowevent="click mouseenter">collectionView</a></i>, <span style="color: #0000FF; ">params</span> <a href="#" onclick="javascript:navigateToHelp2Keyword('frlrfSystemStringClassTopic','System.String')">string</a>[] <i><a class="PopupLink" id="fieldsPopupLink" data-popupcontentsource="#fieldsPopupContent" data-popupshowevent="click mouseenter">fields</a></i> ) <span style="color: #0000FF; ">where</span> T: <span style="color: #0000FF; ">class</span></pre></pre> </div> </div> <!--DXMETADATA end --> <!--DXMETADATA start type="FilteredItemList" scrap="PARAMETERS_LIST" namespace="parameter" source="Item" filter="" NoCr="True" format="<h4 class=dxh4>$$ParameterList$$</h4>%%filtereditemlist%%" --><h4 class="dxh4">Parameters</h4><dl><dt><i>collectionView</i></dt> <dd>The collection view.</dd><dt><i>fields</i></dt> <dd>The fields.</dd></dl><!--DXMETADATA end --> <!--DXMETADATA start type="FilteredItemList" scrap="GENERICARGUMENT_LIST" namespace="generic argument" source="Item" filter="" format="<h4 class=dxh4>$$GenericArguments$$</h4>%%filtereditemlist%%" --><h4 class="dxh4">Type Parameters</h4><dl> <dt><i>T</i></dt> <dd></dd> </dl><!--DXMETADATA end --> <!--DXMETADATA start type="TaggedComment" source="Item" id="##RETURNS" format="<h4 class=dxh4>$$Return_Type$$</h4><div class=""ReturnsContent"">%%comment%%</div></div>" blankformat="</div>" --></div><!--DXMETADATA end --> <!--DXMETADATA start type="FilteredItemList" scrap="EXCEPTION_LIST" namespace="exception" source="Item" filter="" designtime="true" format="%%replaceinquotes:value=false%%%%scrap:name=_COLLAPSIBLE_HEADER,idprefix=exceptions,caption=""$$Exceptions$$%%designlist:tagidentifier=##EXCEPTION,itemtype=Exception%%""%%%%filtereditemlist%%</div>" --><!--DXMETADATA end --> <!--DXMETADATA start type="Literal" condition="childitems:itemtype=contract,filter=""type=requires+ensures+ensuresonthrow+pure""" value="%%scrap:name=_COLLAPSIBLE_HEADER,idprefix=contracts,caption=$$Contracts$$%%%%filtereditemlist:scrap=CONTRACT_LIST,namespace=contract,source=item,filter=""type=requires+ensures+ensuresonthrow""%%</div>" --><!--DXMETADATA end --> <!--DXMETADATA start type="FilteredItemList" scrap="PERMISSION_LIST" namespace="permission" source="Item" filter="" designtime="true" format="%%replaceinquotes:value=false%%%%scrap:name=_COLLAPSIBLE_HEADER,idprefix=permissions,caption=""$$Permissions$$%%designlist:tagidentifier=##PERMISSION,itemtype=Permission%%""%%%%filtereditemlist%%</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.ICollectionViewEx.html">ICollectionViewEx Class</a> <br><a href="C1.CollectionView~C1.CollectionView.ICollectionViewEx_members.html">ICollectionViewEx Members</a> <br><a href="C1.CollectionView~C1.CollectionView.ICollectionViewEx~GroupAsync.html">Overload List</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.ICollectionViewEx~GroupAsync``1(ICollectionView{``0},String[]).html">Send Feedback</a><!--DXMETADATA end--> </div> </body> </html>