</ 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" -->WPF and Silverlight Edition Basic Library <!--DXMETADATA end--></div> <div id="PageTitle"><div id="PageTitleText"><!--DXMETADATA start type="ItemTitle" -->OldValue Property (PropertyChangedEventArgs<T>)<!--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="VBLabel" for="LanguageFilterPopupLink" style="display: none;">Language Filter: Visual Basic (Declaration)</label> <label id="VBUsageLabel" for="LanguageFilterPopupLink" style="display: none;">Language Filter: Visual Basic (Usage)</label> <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="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> <!--DXMETADATA end --> </div> </div> <!--DXMETADATA start type="Breadcrumbs" scrap="_BREADCRUMBS" --><div class="BreadcrumbsContainer"><table><tr><td> <a href="C1.Silverlight.5~C1.Silverlight_namespace.html">C1.Silverlight Namespace</a> > <a href="C1.Silverlight.5~C1.Silverlight.PropertyChangedEventArgs`1.html">PropertyChangedEventArgs<T> Class</a> : OldValue Property</td></tr></table></div><!--DXMETADATA end --> <!--DXMETADATA start type="FilteredItemList" scrap="GENERICARGUMENT_BUBBLES" namespace="generic argument" source="Item" --><!--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">The value of the property before the change.</div><!--DXMETADATA end --> <!--DXMETADATA start type="TaggedComment" source="Item" id="##OVERLOADS" format="%%comment%%" --><!--DXMETADATA end --> <!--DXMETADATA start type="FilteredItemList" scrap="OVERLOAD_LIST" namespace="property" 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="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><pre><span style="color: #008000; ">'Declaration </span> </pre><pre><span style="color: #0000FF; ">Public</span> <span style="color: #0000FF; ">Property</span> OldValue <span style="color: #0000FF; ">As</span> <a class="PopupLink" id="TPopupLink" data-popupcontentsource="#TPopupContent" data-popupshowevent="click mouseenter">T</a></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.Silverlight.5~C1.Silverlight.PropertyChangedEventArgs`1.html">PropertyChangedEventArgs(Of T)</a> <span style="color: #0000FF; ">Dim</span> value <span style="color: #0000FF; ">As</span> <a class="PopupLink" id="TPopupLink" data-popupcontentsource="#TPopupContent" data-popupshowevent="click mouseenter">T</a> instance.OldValue = value value = instance.OldValue</pre></pre> </div> <div id="Syntax-CS" class="FilteredContentCS"> <pre><pre><span style="color: #0000FF; ">public</span> <a class="PopupLink" id="TPopupLink" data-popupcontentsource="#TPopupContent" data-popupshowevent="click mouseenter">T</a> OldValue {<span style="color: #0000FF; ">get</span>; <span style="color: #0000FF; ">set</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%%" --><!--DXMETADATA end --> <!--DXMETADATA start type="FilteredItemList" scrap="GENERICARGUMENT_LIST" namespace="generic argument" source="Item" filter="" format="<h4 class=dxh4>$$GenericArguments$$</h4>%%filtereditemlist%%" --><!--DXMETADATA end --> <!--DXMETADATA start type="TaggedComment" source="Item" id="##VALUE,##RETURNS" format="<h4 class=dxh4>$$Property_Value$$</h4>%%comment%%</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="FilteredItemList" scrap="CONTRACT_GROUP_LIST" namespace="contract group" source="Item" filter="" --><!--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%%" --><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.Silverlight.5~C1.Silverlight.PropertyChangedEventArgs`1.html">PropertyChangedEventArgs<T> Class</a> <br><a href="C1.Silverlight.5~C1.Silverlight.PropertyChangedEventArgs`1_members.html">PropertyChangedEventArgs<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="" --><!--DXMETADATA end--> </div> </body> </html>