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</style><script src="./../scripts/branding.js" type="text/javascript"><!----></script><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>Logger.Additivity Property </title><meta name="Language" content="en-us" /><meta name="System.Keywords" content="Additivity property" /><meta name="System.Keywords" content="Logger.Additivity property" /><meta name="Microsoft.Help.F1" content="log4net.Repository.Hierarchy.Logger.Additivity" /><meta name="Microsoft.Help.F1" content="log4net.Repository.Hierarchy.Logger.get_Additivity" /><meta name="Microsoft.Help.F1" content="log4net.Repository.Hierarchy.Logger.set_Additivity" /><meta name="Microsoft.Help.Id" content="P:log4net.Repository.Hierarchy.Logger.Additivity" /><meta name="Description" content="Gets or sets a value indicating if child loggers inherit their parent's appenders." /><meta name="Microsoft.Help.ContentType" content="Reference" /><meta name="BrandingAware" content="'true'" /><meta name="container" content="log4net.Repository.Hierarchy" /><meta name="file" content="P_log4net_Repository_Hierarchy_Logger_Additivity" /><meta name="guid" content="P_log4net_Repository_Hierarchy_Logger_Additivity" /><link type="text/css" rel="stylesheet" href="ms-help://Hx/HxRuntime/HxLink.css" /><meta name="SelfBranded" content="true" /></head><body onload="onLoad()" class="primary-mtps-offline-document"><div class="OH_outerDiv"><div class="OH_outerContent"><table class="TitleTable"><tr><td class="OH_tdTitleColumn">Logger<span id="ID0EBBABAAA"> </span><script type="text/javascript">
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</script>Additivity Property </td><td class="OH_tdRunningTitleColumn">Apache log4net™ SDK Documentation</td></tr></table><div id="mainSection"><div id="mainBody"><span class="introStyle"></span><div class="summary">
Gets or sets a value indicating if child loggers inherit their parent's appenders.
</div><p></p><b>Namespace:</b> <a href="N_log4net_Repository_Hierarchy.htm" target="">log4net.Repository.Hierarchy</a><br /><b>Assembly:</b> <span sdata="assembly">log4net</span> (in log4net.dll) Version: 1.2.14.0 (1.2.14.0)<div class="OH_CollapsibleAreaRegion"><div class="OH_regiontitle">Syntax</div><div class="OH_CollapsibleArea_HrDiv"><hr class="OH_CollapsibleArea_Hr" /></div></div><div class="OH_clear"></div><div id="snippetGroup_Syntax" class="code"><div id="ID0ECGDAAAAA" class="OH_CodeSnippetContainer"><div class="OH_CodeSnippetContainerTabs" id="ID0ECGDAAAAA_tabs"><div class="OH_CodeSnippetContainerTabLeftActive" id="ID0ECGDAAAAA_tabimgleft"></div><div id="ID0ECGDAAAAA_tab1" class="OH_CodeSnippetContainerTabActive" EnableCopyCode="true"><a href="#" onclick="javascript:ChangeTab('ID0ECGDAAAAA','C#','1','4');return false;">C#</a></div><div id="ID0ECGDAAAAA_tab2" class="OH_CodeSnippetContainerTab" EnableCopyCode="true"><a href="#" onclick="javascript:ChangeTab('ID0ECGDAAAAA','Visual Basic','2','4');return false;">VB</a></div><div id="ID0ECGDAAAAA_tab3" class="OH_CodeSnippetContainerTab" EnableCopyCode="true"><a href="#" onclick="javascript:ChangeTab('ID0ECGDAAAAA','Visual C++','3','4');return false;">C++</a></div><div id="ID0ECGDAAAAA_tab4" class="OH_CodeSnippetContainerTabDisabledNotFirst" EnableCopyCode="true" disabled="true"><a>F#</a></div><div class="OH_CodeSnippetContainerTabRight" id="ID0ECGDAAAAA_tabimgright"></div></div><div id="ID0ECGDAAAAA_codecollection" class="OH_CodeSnippetContainerCodeCollection"><div class="OH_CodeSnippetToolBar"><div class="OH_CodeSnippetToolBarText"><a id="ID0ECGDAAAAA_ViewColorized" href="#" onclick="javascript:ExchangeTitleContent('ID0ECGDAAAAA','4')" title="View Colorized" style="display: none">View Colorized</a><a id="ID0ECGDAAAAA_copycode" href="#" onclick="javascript:CopyToClipboard('ID0ECGDAAAAA','4')" title="Copy to Clipboard">Copy to Clipboard</a><a id="ID0ECGDAAAAA_PrintText" class="OH_PrintText" href="#" onclick="javascript:Print('ID0ECGDAAAAA','4')" title="Print">Print</a></div></div><div id="ID0ECGDAAAAA_code_Div1" class="OH_CodeSnippetContainerCode" style="display: block"><pre><span class="keyword">public</span> <span class="keyword">virtual</span> <span class="identifier">bool</span> <span class="identifier">Additivity</span> { <span class="keyword">get</span>; <span class="keyword">set</span>; }</pre></div><div id="ID0ECGDAAAAA_code_Plain_Div1" class="OH_CodeSnippetContainerCode" style="display: none"><pre>public virtual bool Additivity { get; set; }</pre></div><div id="ID0ECGDAAAAA_code_Div2" class="OH_CodeSnippetContainerCode" style="display: none"><pre><span class="keyword">Public</span> <span class="keyword">Overridable</span> <span class="keyword">Property</span> <span class="identifier">Additivity</span> <span class="keyword">As</span> <span class="identifier">Boolean</span> 
<span class="keyword">Get</span> 
<span class="keyword">Set</span></pre></div><div id="ID0ECGDAAAAA_code_Plain_Div2" class="OH_CodeSnippetContainerCode" style="display: none"><pre>Public Overridable Property Additivity As Boolean 
Get 
Set</pre></div><div id="ID0ECGDAAAAA_code_Div3" class="OH_CodeSnippetContainerCode" style="display: none"><pre><span class="keyword">public</span>:
<span class="keyword">virtual</span> <span class="keyword">property</span> <span class="identifier">bool</span> <span class="identifier">Additivity</span> {
<span class="identifier">bool</span> <span class="keyword">get</span> ();
<span class="keyword">void</span> <span class="keyword">set</span> (<span class="identifier">bool</span> <span class="parameter">value</span>);
}</pre></div><div id="ID0ECGDAAAAA_code_Plain_Div3" class="OH_CodeSnippetContainerCode" style="display: none"><pre>public:
virtual property bool Additivity {
bool get ();
void set (bool value);
}</pre></div><div id="ID0ECGDAAAAA_code_Div4" class="OH_CodeSnippetContainerCode" style="display: none"><pre /></div><div id="ID0ECGDAAAAA_code_Plain_Div4" class="OH_CodeSnippetContainerCode" style="display: none"><pre /></div></div></div><script>addSpecificTextLanguageTagSet('ID0ECGDAAAAA');</script></div><h4 class="subHeading">Property Value</h4>Type: <img src="./../icons/online_icon.gif" class="OH_offlineIcon" alt="Online" title="Online" /><a href="http://msdn2.microsoft.com/en-us/library/a28wyd50" target="_blank">Boolean</a><br /><span class="code">true</span> if child loggers inherit their parent's appenders.
<div class="OH_CollapsibleAreaRegion"><div class="OH_regiontitle">Remarks</div><div class="OH_CollapsibleArea_HrDiv"><hr class="OH_CollapsibleArea_Hr" /></div></div><div class="OH_clear"></div><p>
Additivity is set to <span class="code">true</span> by default, that is children inherit
the appenders of their ancestors by default. If this variable is
set to <span class="code">false</span> then the appenders found in the
ancestors of this logger are not used. However, the children
of this logger will inherit its appenders, unless the children
have their additivity flag set to <span class="code">false</span> too. See
the user manual for more details.
</p><a name="seeAlsoSection"><!----></a><div class="OH_CollapsibleAreaRegion"><div class="OH_regiontitle">See Also</div><div class="OH_CollapsibleArea_HrDiv"><hr class="OH_CollapsibleArea_Hr" /></div></div><div class="OH_clear"></div><div class="seeAlsoStyle"><a href="T_log4net_Repository_Hierarchy_Logger.htm" target="">Logger Class</a></div><div class="seeAlsoStyle"><a href="AllMembers_T_log4net_Repository_Hierarchy_Logger.htm" target="">Logger Members</a></div><div class="seeAlsoStyle"><a href="N_log4net_Repository_Hierarchy.htm" target="">log4net.Repository.Hierarchy Namespace</a></div></div></div></div></div><div id="OH_footer" class="OH_footer"><p>Apache log4net, Apache and log4net are trademarks of The Apache Software Foundation.</p><p><a href="http://logging.apache.org/log4net/" target="_blank"><img src="./../icons/online_icon.gif" class="OH_offlineIcon" alt="Online" title="Online" /> 
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