</ 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" -->Reports for WPF<!--DXMETADATA end--></div> <div id="PageTitle"><div id="PageTitleText"><!--DXMETADATA start type="PageItemTitle" format="%%PageItemTitle%% $$Methods$$" -->ExpressionCollection Class Methods<!--DXMETADATA end--></div></div> </div> <div id="AfterHeaderContent"> <!-- 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 --><span id="" class="PopupLink" data-popupcontentsource="#MemberFilterCheckboxes" data-popuptitle='<!--DXMETADATA start type="Phrase" name="Members_Filter" -->Members Options<!--DXMETADATA end -->'> <label id="ShowAllMembersLabel"> <!--DXMETADATA start type="Phrase" name="MEMBERS_FILTER_SHOW_ALL" -->Members Options: Show All<!--DXMETADATA end --> </label> <label id="FilteredMembersLabel" style="display: none;"> <!--DXMETADATA start type="Phrase" name="MEMBERS_FILTER_FILTERED" -->Members Options: Filtered<!--DXMETADATA end --> </label> </span> <div class="PopupContent" id="MemberFilterCheckboxes"> <input id="InheritedCheckbox" type="checkbox" class="ToggleFilterCheckbox" checked="true" data-toggleclass="InheritedMember"> <label class="MembersFilter" for="InheritedCheckbox"> <!--DXMETADATA start type="Phrase" name="MEMBERS_FILTER_INHERITED" -->Include Inherited Members<!--DXMETADATA end --> </label> <br> <!--DXMETADATA start type="IncludeProtectedOrFriendMembers" format="<input id=""ProtectedCheckbox"" type=""checkbox"" class=""ToggleFilterCheckbox"" checked=""true"" data-toggleclass=""ProtectedMember"" />" --><!--DXMETADATA end --> <!--DXMETADATA start type="IncludeProtectedOrFriendMembers" format="<label class=""MembersFilter"" for=""ProtectedCheckbox"">$$MEMBERS_FILTER_PROTECTED$$</label><br />" --><!--DXMETADATA end --> </div> </div> <!--DXMETADATA start type="Breadcrumbs" scrap="_BREADCRUMBS" --><div class="BreadcrumbsContainer"><table><tr><td> <a href="C1.C1Report.4~C1.C1Preview.DataBinding_namespace.html">C1.C1Preview.DataBinding Namespace</a> : ExpressionCollection Class</td></tr></table></div><!--DXMETADATA end --> <div id="BodyContent"> <!--DXMETADATA start type="Scrap" name="_MEMBERS_LINK" format="<p>%%scrap%%</p>" --><p>For a list of all members of this type, see <a href="C1.C1Report.4~C1.C1Preview.DataBinding.ExpressionCollection_members.html">ExpressionCollection members</a>.</p><!--DXMETADATA end --> <a name="MethodsBookmark"></a> <!--DXMETADATA start type="FilteredItemList" scrap="MEMBER_LIST" namespace="method" source="Item" filter="scope=public" format="%%scrap:name=_COLLAPSIBLE_HEADER,idprefix=publicMethods,caption=$$Public$$ $$Methods$$%%%%filtereditemlist%%<a href="#top">$$Top$$</a></div>" --><div class="SectionHeading" id="publicMethodsSectionHeading"><span class="SectionHeadingIcon"><!-- --></span><span class="SectionHeadingText">Public Methods</span></div><div id="publicMethodsSectionContent" class="SectionContent"><table class="FilteredItemListTable"><tr><th> </th><th>Name</th><th>Description</th></tr> <tr><td class="ImageCell"><img alt="Public Method" src="dotnetimages/publicMethod.png"></td><td class='MembersLinkCell'><a href="C1.C1Report.4~C1.C1Preview.DataBinding.ExpressionCollection~Add.html">Add</a></td><td class="MembersDescriptionCell">Overloaded. Creates an <strong>Expression</strong> specified by its text, and adds it to the current collection. </td></tr> <tr class="InheritedMember"><td class="ImageCell"><img alt="Public Method" src="dotnetimages/publicMethod.png"></td><td class='MembersLinkCell'><a href="C1.C1Report.4~C1.C1Preview.OwnedCollectionBase~AssignFrom.html">AssignFrom</a></td><td class="MembersDescriptionCell">Clears the current collection, and copies the items from another one. The items are copied by cloning, and must support the <a onclick="javascript:navigateToHelp2Keyword('frlrfSystemICloneableClassTopic','System.ICloneable')" href="#">System.ICloneable</a> interface (if an item that does not support is encountered, an exception occurs). (Inherited from <a href="C1.C1Report.4~C1.C1Preview.OwnedCollectionBase.html">C1.C1Preview.OwnedCollectionBase</a>)</td></tr> <tr class="InheritedMember"><td class="ImageCell"><img alt="Public Method" src="dotnetimages/publicMethod.png"></td><td class='MembersLinkCell'><a href="#" onclick="javascript:navigateToHelp2Keyword('frlrfSystemCollectionsCollectionBaseClassClearTopic','System.Collections.CollectionBase.Clear')">Clear</a></td><td class="MembersDescriptionCell"> (Inherited from <a href="#" onclick="javascript:navigateToHelp2Keyword('frlrfSystemCollectionsCollectionBaseClassTopic','System.Collections.CollectionBase')">System.Collections.CollectionBase</a>)</td></tr> <tr class="InheritedMember"><td class="ImageCell"><img alt="Public Method" src="dotnetimages/publicMethod.png"></td><td class='MembersLinkCell'><a href="C1.C1Report.4~C1.C1Preview.OwnedCollectionBase~Exchange.html">Exchange</a></td><td class="MembersDescriptionCell">Swap two items in collection. (Inherited from <a href="C1.C1Report.4~C1.C1Preview.OwnedCollectionBase.html">C1.C1Preview.OwnedCollectionBase</a>)</td></tr> <tr class="InheritedMember"><td class="ImageCell"><img alt="Public Method" src="dotnetimages/publicMethod.png"></td><td class='MembersLinkCell'><a href="#" onclick="javascript:navigateToHelp2Keyword('frlrfSystemCollectionsCollectionBaseClassGetEnumeratorTopic','System.Collections.CollectionBase.GetEnumerator')">GetEnumerator</a></td><td class="MembersDescriptionCell"> (Inherited from <a href="#" onclick="javascript:navigateToHelp2Keyword('frlrfSystemCollectionsCollectionBaseClassTopic','System.Collections.CollectionBase')">System.Collections.CollectionBase</a>)</td></tr> <tr class="InheritedMember"><td class="ImageCell"><img alt="Public Method" src="dotnetimages/publicMethod.png"></td><td class='MembersLinkCell'><a href="C1.C1Report.4~C1.C1Preview.OwnedCollectionBase~IndexOf.html">IndexOf</a></td><td class="MembersDescriptionCell">Searches for the specified Object and returns the zero-based index of the first occurrence within the entire collection. (Inherited from <a href="C1.C1Report.4~C1.C1Preview.OwnedCollectionBase.html">C1.C1Preview.OwnedCollectionBase</a>)</td></tr> <tr class="InheritedMember"><td class="ImageCell"><img alt="Public Method" src="dotnetimages/publicMethod.png"></td><td class='MembersLinkCell'><a href="#" onclick="javascript:navigateToHelp2Keyword('frlrfSystemCollectionsCollectionBaseRemoveAt(SystemClassInt32)Topic','System.Collections.CollectionBase.RemoveAt(System.Int32)')">RemoveAt</a></td><td class="MembersDescriptionCell"> (Inherited from <a href="#" onclick="javascript:navigateToHelp2Keyword('frlrfSystemCollectionsCollectionBaseClassTopic','System.Collections.CollectionBase')">System.Collections.CollectionBase</a>)</td></tr> </table><a href="#top">Top</a></div><!--DXMETADATA end --> <!--DXMETADATA start type="FilteredItemList" scrap="MEMBER_LIST" namespace="method" source="Item" filter="scope=protected+protected friend+friend" format="%%scrap:name=_COLLAPSIBLE_HEADER,idprefix=protectedMethods,caption=$$Protected$$ $$Methods$$%%%%filtereditemlist%%<a href="#top">$$Top$$</a></div>" --><!--DXMETADATA end --> <!--DXMETADATA start type="FilteredItemList" scrap="MEMBER_LIST" namespace="method" source="Item" filter="scope=private" format="%%scrap:name=_COLLAPSIBLE_HEADER,idprefix=privateMethods,caption=$$Private$$ $$Methods$$%%%%filtereditemlist%%<a href="#top">$$Top$$</a></div>" --><!--DXMETADATA end --> <!--DXMETADATA start type="FilteredItemList" condition="content:content=""%%IncludeExtensionMethods%%"",operator=""="",value=""True""" scrap="EXTENSIONMETHOD_LIST" namespace="method" source="Item" filter="scope=public,type=extension" format="%%scrap:name=_COLLAPSIBLE_HEADER,idprefix=extensionmethods,caption=$$Extension_Methods$$%%%%filtereditemlist%%<a href="#top">$$Top$$</a></div>" --><!--DXMETADATA end --> <a name="seealsobookmark"></a> <!--DXMETADATA start type="FilteredItemList" scrap="CATEGORIZED_LINKS" namespace="linkcategory" source="Item" filter="type=members" 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.C1Report.4~C1.C1Preview.DataBinding.ExpressionCollection.html">ExpressionCollection Class</a> <br><a href="C1.C1Report.4~C1.C1Preview.DataBinding_namespace.html">C1.C1Preview.DataBinding Namespace</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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