﻿<html><head><meta http-equiv="X-UA-Compatible" content="IE=edge" /><link rel="shortcut icon" href="../icons/favicon.ico" /><style type="text/css">.OH_CodeSnippetContainerTabLeftActive, .OH_CodeSnippetContainerTabLeft,.OH_CodeSnippetContainerTabLeftDisabled { }.OH_CodeSnippetContainerTabRightActive, .OH_CodeSnippetContainerTabRight,.OH_CodeSnippetContainerTabRightDisabled { }.OH_footer { }</style><link rel="stylesheet" type="text/css" href="../styles/branding.css" /><link rel="stylesheet" type="text/css" href="../styles/branding-en-US.css" /><script type="text/javascript" src="../scripts/branding.js"> </script><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>ILogExtensions Class</title><meta name="Language" content="en-us" /><meta name="System.Keywords" content="ILogExtensions class" /><meta name="System.Keywords" content="log4net.Util.ILogExtensions class" /><meta name="System.Keywords" content="ILogExtensions class, about ILogExtensions class" /><meta name="Microsoft.Help.F1" content="log4net.Util.ILogExtensions" /><meta name="Microsoft.Help.Id" content="T:log4net.Util.ILogExtensions" /><meta name="Description" content="The static class ILogExtensions contains a set of widely used methods that ease the interaction with the ILog interface implementations." /><meta name="Microsoft.Help.ContentType" content="Reference" /><meta name="BrandingAware" content="true" /><meta name="container" content="log4net.Util" /><meta name="file" content="T_log4net_Util_ILogExtensions" /><meta name="guid" content="T_log4net_Util_ILogExtensions" /><link type="text/css" rel="stylesheet" href="../styles/highlight.css" /><script type="text/javascript" src="../scripts/highlight.js"> </script></head><body onload="OnLoad('cs')"><input type="hidden" id="userDataCache" class="userDataStyle" /><div class="OH_outerDiv"><div class="OH_outerContent"><table class="TitleTable"><tr><td class="OH_tdTitleColumn">ILogExtensions Class</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">
            The static class ILogExtensions contains a set of widely used
            methods that ease the interaction with the ILog interface implementations.
            </div><div class="OH_CollapsibleAreaRegion"><div class="OH_regiontitle">Inheritance Hierarchy</div><div class="OH_CollapsibleArea_HrDiv"><hr class="OH_CollapsibleArea_Hr" /></div></div><div class="OH_clear"> </div><a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">System<span id="LST83618C78_0"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST83618C78_0?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>Object</a><br />  <span class="selflink">log4net.Util<span id="LST83618C78_1"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST83618C78_1?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>ILogExtensions</span><br /><p> </p><strong>Namespace:</strong> <a href="N_log4net_Util.htm">log4net.Util</a><br /><strong>Assembly:</strong> log4net (in log4net.dll) Version: 2.0.8.0-.NET 4.0<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 class="OH_CodeSnippetContainer"><div class="OH_CodeSnippetContainerTabs"><div class="OH_CodeSnippetContainerTabLeft" id="ID0EDCA_tabimgleft"> </div><div id="ID0EDCA_tab1" class="OH_CodeSnippetContainerTabFirst"><a href="#" onclick="javascript:ChangeTab('ID0EDCA','cs','1','4');return false;">C#</a></div><div id="ID0EDCA_tab2" class="OH_CodeSnippetContainerTab"><a href="#" onclick="javascript:ChangeTab('ID0EDCA','vb','2','4');return false;">VB</a></div><div id="ID0EDCA_tab3" class="OH_CodeSnippetContainerTab"><a href="#" onclick="javascript:ChangeTab('ID0EDCA','cpp','3','4');return false;">C++</a></div><div id="ID0EDCA_tab4" class="OH_CodeSnippetContainerTab"><a href="#" onclick="javascript:ChangeTab('ID0EDCA','fs','4','4');return false;">F#</a></div><div class="OH_CodeSnippetContainerTabRight" id="ID0EDCA_tabimgright"> </div></div><div class="OH_CodeSnippetContainerCodeCollection"><div class="OH_CodeSnippetToolBar"><div class="OH_CodeSnippetToolBarText"><a id="ID0EDCA_copyCode" href="#" onclick="javascript:CopyToClipboard('ID0EDCA');return false;" title="Copy">Copy</a></div></div><div id="ID0EDCA_code_Div1" class="OH_CodeSnippetContainerCode" style="display: block"><pre xml:space="preserve"><span class="keyword">public</span> <span class="keyword">static</span> <span class="keyword">class</span> <span class="identifier">ILogExtensions</span></pre></div><div id="ID0EDCA_code_Div2" class="OH_CodeSnippetContainerCode" style="display: none"><pre xml:space="preserve">&lt;<span class="identifier">ExtensionAttribute</span>&gt;
<span class="keyword">Public</span> <span class="keyword">NotInheritable</span> <span class="keyword">Class</span> <span class="identifier">ILogExtensions</span></pre></div><div id="ID0EDCA_code_Div3" class="OH_CodeSnippetContainerCode" style="display: none"><pre xml:space="preserve">[<span class="identifier">ExtensionAttribute</span>]
<span class="keyword">public</span> <span class="keyword">ref class</span> <span class="identifier">ILogExtensions</span> <span class="keyword">abstract</span> <span class="keyword">sealed</span></pre></div><div id="ID0EDCA_code_Div4" class="OH_CodeSnippetContainerCode" style="display: none"><pre xml:space="preserve">[&lt;<span class="identifier">AbstractClassAttribute</span>&gt;]
[&lt;<span class="identifier">SealedAttribute</span>&gt;]
[&lt;<span class="identifier">ExtensionAttribute</span>&gt;]
<span class="keyword">type</span> <span class="identifier">ILogExtensions</span> =  <span class="keyword">class</span> <span class="keyword">end</span></pre></div></div></div><script type="text/javascript">AddLanguageTabSet("ID0EDCA");</script><div class="OH_CollapsibleAreaRegion"><div class="OH_regiontitle">Methods</div><div class="OH_CollapsibleArea_HrDiv"><hr class="OH_CollapsibleArea_Hr" /></div></div><div class="OH_clear"> </div><table id="memberList" class="members"><tr><th class="ps_iconColumn">
								 
							</th><th>Name</th><th>Description</th></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="M_log4net_Util_ILogExtensions_DebugExt.htm">DebugExt(ILog, Func<span id="LST83618C78_2"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST83618C78_2?cs=&lt;|vb=(Of |cpp=&lt;|nu=(|fs=&lt;'");</script>TResult<span id="LST83618C78_3"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST83618C78_3?cs=&gt;|vb=)|cpp=&gt;|nu=)|fs=&gt;");</script>)</a></td><td /></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="M_log4net_Util_ILogExtensions_DebugExt_2.htm">DebugExt(ILog, Object)</a></td><td><div class="summary">
            Log a message object with the <a href="F_log4net_Core_Level_Debug.htm">Debug</a> level.
            </div></td></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="M_log4net_Util_ILogExtensions_DebugExt_1.htm">DebugExt(ILog, Func<span id="LST83618C78_4"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST83618C78_4?cs=&lt;|vb=(Of |cpp=&lt;|nu=(|fs=&lt;'");</script>TResult<span id="LST83618C78_5"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST83618C78_5?cs=&gt;|vb=)|cpp=&gt;|nu=)|fs=&gt;");</script>, Void)</a></td><td /></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="M_log4net_Util_ILogExtensions_DebugExt_3.htm">DebugExt(ILog, Object, Exception)</a></td><td><div class="summary">
            Log a message object with the <a href="F_log4net_Core_Level_Debug.htm">Debug</a> level including
            the stack trace of the <a href="http://msdn2.microsoft.com/en-us/library/c18k6c59" target="_blank">Exception</a> passed
            as a parameter.
            </div></td></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="M_log4net_Util_ILogExtensions_DebugFormatExt_1.htm">DebugFormatExt(ILog, String, Object)</a></td><td><div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Debug.htm">Debug</a> level.
            </div></td></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="M_log4net_Util_ILogExtensions_DebugFormatExt_4.htm">DebugFormatExt(ILog, String, <span id="LST83618C78_6"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST83618C78_6?cpp=array&lt;");</script>Object<span id="LST83618C78_7"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST83618C78_7?cpp=&gt;|cs=[]|vb=()|nu=[]|fs=[]");</script>)</a></td><td><div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Debug.htm">Debug</a> level.
            </div></td></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="M_log4net_Util_ILogExtensions_DebugFormatExt.htm">DebugFormatExt(ILog, IFormatProvider, String, <span id="LST83618C78_8"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST83618C78_8?cpp=array&lt;");</script>Object<span id="LST83618C78_9"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST83618C78_9?cpp=&gt;|cs=[]|vb=()|nu=[]|fs=[]");</script>)</a></td><td><div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Debug.htm">Debug</a> level.
            </div></td></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="M_log4net_Util_ILogExtensions_DebugFormatExt_2.htm">DebugFormatExt(ILog, String, Object, Object)</a></td><td><div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Debug.htm">Debug</a> level.
            </div></td></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="M_log4net_Util_ILogExtensions_DebugFormatExt_3.htm">DebugFormatExt(ILog, String, Object, Object, Object)</a></td><td><div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Debug.htm">Debug</a> level.
            </div></td></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="M_log4net_Util_ILogExtensions_ErrorExt.htm">ErrorExt(ILog, Func<span id="LST83618C78_10"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST83618C78_10?cs=&lt;|vb=(Of |cpp=&lt;|nu=(|fs=&lt;'");</script>TResult<span id="LST83618C78_11"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST83618C78_11?cs=&gt;|vb=)|cpp=&gt;|nu=)|fs=&gt;");</script>)</a></td><td /></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="M_log4net_Util_ILogExtensions_ErrorExt_2.htm">ErrorExt(ILog, Object)</a></td><td><div class="summary">
            Log a message object with the <a href="F_log4net_Core_Level_Error.htm">Error</a> level.
            </div></td></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="M_log4net_Util_ILogExtensions_ErrorExt_1.htm">ErrorExt(ILog, Func<span id="LST83618C78_12"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST83618C78_12?cs=&lt;|vb=(Of |cpp=&lt;|nu=(|fs=&lt;'");</script>TResult<span id="LST83618C78_13"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST83618C78_13?cs=&gt;|vb=)|cpp=&gt;|nu=)|fs=&gt;");</script>, Void)</a></td><td /></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="M_log4net_Util_ILogExtensions_ErrorExt_3.htm">ErrorExt(ILog, Object, Exception)</a></td><td><div class="summary">
            Log a message object with the <a href="F_log4net_Core_Level_Error.htm">Error</a> level including
            the stack trace of the <a href="http://msdn2.microsoft.com/en-us/library/c18k6c59" target="_blank">Exception</a> passed
            as a parameter.
            </div></td></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="M_log4net_Util_ILogExtensions_ErrorFormatExt_1.htm">ErrorFormatExt(ILog, String, Object)</a></td><td><div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Error.htm">Error</a> level.
            </div></td></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="M_log4net_Util_ILogExtensions_ErrorFormatExt_4.htm">ErrorFormatExt(ILog, String, <span id="LST83618C78_14"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST83618C78_14?cpp=array&lt;");</script>Object<span id="LST83618C78_15"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST83618C78_15?cpp=&gt;|cs=[]|vb=()|nu=[]|fs=[]");</script>)</a></td><td><div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Error.htm">Error</a> level.
            </div></td></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="M_log4net_Util_ILogExtensions_ErrorFormatExt.htm">ErrorFormatExt(ILog, IFormatProvider, String, <span id="LST83618C78_16"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST83618C78_16?cpp=array&lt;");</script>Object<span id="LST83618C78_17"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST83618C78_17?cpp=&gt;|cs=[]|vb=()|nu=[]|fs=[]");</script>)</a></td><td><div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Error.htm">Error</a> level.
            </div></td></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="M_log4net_Util_ILogExtensions_ErrorFormatExt_2.htm">ErrorFormatExt(ILog, String, Object, Object)</a></td><td><div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Error.htm">Error</a> level.
            </div></td></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="M_log4net_Util_ILogExtensions_ErrorFormatExt_3.htm">ErrorFormatExt(ILog, String, Object, Object, Object)</a></td><td><div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Error.htm">Error</a> level.
            </div></td></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="M_log4net_Util_ILogExtensions_FatalExt.htm">FatalExt(ILog, Func<span id="LST83618C78_18"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST83618C78_18?cs=&lt;|vb=(Of |cpp=&lt;|nu=(|fs=&lt;'");</script>TResult<span id="LST83618C78_19"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST83618C78_19?cs=&gt;|vb=)|cpp=&gt;|nu=)|fs=&gt;");</script>)</a></td><td /></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="M_log4net_Util_ILogExtensions_FatalExt_2.htm">FatalExt(ILog, Object)</a></td><td><div class="summary">
            Log a message object with the <a href="F_log4net_Core_Level_Fatal.htm">Fatal</a> level.
            </div></td></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="M_log4net_Util_ILogExtensions_FatalExt_1.htm">FatalExt(ILog, Func<span id="LST83618C78_20"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST83618C78_20?cs=&lt;|vb=(Of |cpp=&lt;|nu=(|fs=&lt;'");</script>TResult<span id="LST83618C78_21"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST83618C78_21?cs=&gt;|vb=)|cpp=&gt;|nu=)|fs=&gt;");</script>, Void)</a></td><td /></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="M_log4net_Util_ILogExtensions_FatalExt_3.htm">FatalExt(ILog, Object, Exception)</a></td><td><div class="summary">
            Log a message object with the <a href="F_log4net_Core_Level_Fatal.htm">Fatal</a> level including
            the stack trace of the <a href="http://msdn2.microsoft.com/en-us/library/c18k6c59" target="_blank">Exception</a> passed
            as a parameter.
            </div></td></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="M_log4net_Util_ILogExtensions_FatalFormatExt_1.htm">FatalFormatExt(ILog, String, Object)</a></td><td><div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Fatal.htm">Fatal</a> level.
            </div></td></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="M_log4net_Util_ILogExtensions_FatalFormatExt_4.htm">FatalFormatExt(ILog, String, <span id="LST83618C78_22"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST83618C78_22?cpp=array&lt;");</script>Object<span id="LST83618C78_23"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST83618C78_23?cpp=&gt;|cs=[]|vb=()|nu=[]|fs=[]");</script>)</a></td><td><div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Fatal.htm">Fatal</a> level.
            </div></td></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="M_log4net_Util_ILogExtensions_FatalFormatExt.htm">FatalFormatExt(ILog, IFormatProvider, String, <span id="LST83618C78_24"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST83618C78_24?cpp=array&lt;");</script>Object<span id="LST83618C78_25"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST83618C78_25?cpp=&gt;|cs=[]|vb=()|nu=[]|fs=[]");</script>)</a></td><td><div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Fatal.htm">Fatal</a> level.
            </div></td></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="M_log4net_Util_ILogExtensions_FatalFormatExt_2.htm">FatalFormatExt(ILog, String, Object, Object)</a></td><td><div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Fatal.htm">Fatal</a> level.
            </div></td></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="M_log4net_Util_ILogExtensions_FatalFormatExt_3.htm">FatalFormatExt(ILog, String, Object, Object, Object)</a></td><td><div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Fatal.htm">Fatal</a> level.
            </div></td></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="M_log4net_Util_ILogExtensions_InfoExt.htm">InfoExt(ILog, Func<span id="LST83618C78_26"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST83618C78_26?cs=&lt;|vb=(Of |cpp=&lt;|nu=(|fs=&lt;'");</script>TResult<span id="LST83618C78_27"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST83618C78_27?cs=&gt;|vb=)|cpp=&gt;|nu=)|fs=&gt;");</script>)</a></td><td /></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="M_log4net_Util_ILogExtensions_InfoExt_2.htm">InfoExt(ILog, Object)</a></td><td><div class="summary">
            Log a message object with the <a href="F_log4net_Core_Level_Info.htm">Info</a> level.
            </div></td></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="M_log4net_Util_ILogExtensions_InfoExt_1.htm">InfoExt(ILog, Func<span id="LST83618C78_28"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST83618C78_28?cs=&lt;|vb=(Of |cpp=&lt;|nu=(|fs=&lt;'");</script>TResult<span id="LST83618C78_29"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST83618C78_29?cs=&gt;|vb=)|cpp=&gt;|nu=)|fs=&gt;");</script>, Void)</a></td><td /></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="M_log4net_Util_ILogExtensions_InfoExt_3.htm">InfoExt(ILog, Object, Exception)</a></td><td><div class="summary">
            Log a message object with the <a href="F_log4net_Core_Level_Info.htm">Info</a> level including
            the stack trace of the <a href="http://msdn2.microsoft.com/en-us/library/c18k6c59" target="_blank">Exception</a> passed
            as a parameter.
            </div></td></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="M_log4net_Util_ILogExtensions_InfoFormatExt_1.htm">InfoFormatExt(ILog, String, Object)</a></td><td><div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Info.htm">Info</a> level.
            </div></td></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="M_log4net_Util_ILogExtensions_InfoFormatExt_4.htm">InfoFormatExt(ILog, String, <span id="LST83618C78_30"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST83618C78_30?cpp=array&lt;");</script>Object<span id="LST83618C78_31"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST83618C78_31?cpp=&gt;|cs=[]|vb=()|nu=[]|fs=[]");</script>)</a></td><td><div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Info.htm">Info</a> level.
            </div></td></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="M_log4net_Util_ILogExtensions_InfoFormatExt.htm">InfoFormatExt(ILog, IFormatProvider, String, <span id="LST83618C78_32"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST83618C78_32?cpp=array&lt;");</script>Object<span id="LST83618C78_33"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST83618C78_33?cpp=&gt;|cs=[]|vb=()|nu=[]|fs=[]");</script>)</a></td><td><div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Info.htm">Info</a> level.
            </div></td></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="M_log4net_Util_ILogExtensions_InfoFormatExt_2.htm">InfoFormatExt(ILog, String, Object, Object)</a></td><td><div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Info.htm">Info</a> level.
            </div></td></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="M_log4net_Util_ILogExtensions_InfoFormatExt_3.htm">InfoFormatExt(ILog, String, Object, Object, Object)</a></td><td><div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Info.htm">Info</a> level.
            </div></td></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="M_log4net_Util_ILogExtensions_WarnExt.htm">WarnExt(ILog, Func<span id="LST83618C78_34"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST83618C78_34?cs=&lt;|vb=(Of |cpp=&lt;|nu=(|fs=&lt;'");</script>TResult<span id="LST83618C78_35"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST83618C78_35?cs=&gt;|vb=)|cpp=&gt;|nu=)|fs=&gt;");</script>)</a></td><td /></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="M_log4net_Util_ILogExtensions_WarnExt_2.htm">WarnExt(ILog, Object)</a></td><td><div class="summary">
            Log a message object with the <a href="F_log4net_Core_Level_Warn.htm">Warn</a> level.
            </div></td></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="M_log4net_Util_ILogExtensions_WarnExt_1.htm">WarnExt(ILog, Func<span id="LST83618C78_36"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST83618C78_36?cs=&lt;|vb=(Of |cpp=&lt;|nu=(|fs=&lt;'");</script>TResult<span id="LST83618C78_37"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST83618C78_37?cs=&gt;|vb=)|cpp=&gt;|nu=)|fs=&gt;");</script>, Void)</a></td><td /></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="M_log4net_Util_ILogExtensions_WarnExt_3.htm">WarnExt(ILog, Object, Exception)</a></td><td><div class="summary">
            Log a message object with the <a href="F_log4net_Core_Level_Warn.htm">Warn</a> level including
            the stack trace of the <a href="http://msdn2.microsoft.com/en-us/library/c18k6c59" target="_blank">Exception</a> passed
            as a parameter.
            </div></td></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="M_log4net_Util_ILogExtensions_WarnFormatExt_1.htm">WarnFormatExt(ILog, String, Object)</a></td><td><div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Warn.htm">Warn</a> level.
            </div></td></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="M_log4net_Util_ILogExtensions_WarnFormatExt_4.htm">WarnFormatExt(ILog, String, <span id="LST83618C78_38"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST83618C78_38?cpp=array&lt;");</script>Object<span id="LST83618C78_39"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST83618C78_39?cpp=&gt;|cs=[]|vb=()|nu=[]|fs=[]");</script>)</a></td><td><div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Warn.htm">Warn</a> level.
            </div></td></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="M_log4net_Util_ILogExtensions_WarnFormatExt.htm">WarnFormatExt(ILog, IFormatProvider, String, <span id="LST83618C78_40"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST83618C78_40?cpp=array&lt;");</script>Object<span id="LST83618C78_41"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST83618C78_41?cpp=&gt;|cs=[]|vb=()|nu=[]|fs=[]");</script>)</a></td><td><div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Warn.htm">Warn</a> level.
            </div></td></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="M_log4net_Util_ILogExtensions_WarnFormatExt_2.htm">WarnFormatExt(ILog, String, Object, Object)</a></td><td><div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Warn.htm">Warn</a> level.
            </div></td></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="M_log4net_Util_ILogExtensions_WarnFormatExt_3.htm">WarnFormatExt(ILog, String, Object, Object, Object)</a></td><td><div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Warn.htm">Warn</a> level.
            </div></td></tr></table><a href="#mainBody">Top</a><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>
            This class contains methods for logging at different levels and checks the
            properties for determining if those logging levels are enabled in the current
            configuration.
            </p><div class="OH_CollapsibleAreaRegion"><div class="OH_regiontitle">Examples</div><div class="OH_CollapsibleArea_HrDiv"><hr class="OH_CollapsibleArea_Hr" /></div></div><div class="OH_clear"> </div>Simple example of logging messages
            <div class="OH_CodeSnippetContainer"><div class="OH_CodeSnippetContainerTabs"><div class="OH_CodeSnippetContainerTabLeftActive" id="ID0EAAABA_tabimgleft"> </div><div id="ID0EAAABA_tab1" class="OH_CodeSnippetContainerTabSolo">C#</div><div class="OH_CodeSnippetContainerTabRightActive" id="ID0EAAABA_tabimgright"> </div></div><div class="OH_CodeSnippetContainerCodeCollection"><div class="OH_CodeSnippetToolBar"><div class="OH_CodeSnippetToolBarText"><a id="ID0EAAABA_copyCode" href="#" onclick="javascript:CopyToClipboard('ID0EAAABA');return false;" title="Copy">Copy</a></div></div><div id="ID0EAAABA_code_Div1" class="OH_CodeSnippetContainerCode" style="display: block"><pre xml:space="preserve"><span class="highlight-keyword">using</span> log4net.Util;

ILog log = LogManager.GetLogger(<span class="highlight-literal">"application-log"</span>);

log.InfoExt(<span class="highlight-literal">"Application Start"</span>);
log.DebugExt(<span class="highlight-literal">"This is a debug message"</span>);</pre></div></div></div><script type="text/javascript">AddLanguageTabSet("ID0EAAABA");</script><div class="OH_CollapsibleAreaRegion" id="seeAlsoSection"><div class="OH_regiontitle">See Also</div><div class="OH_CollapsibleArea_HrDiv"><hr class="OH_CollapsibleArea_Hr" /></div></div><div class="OH_clear"> </div><h4 class="subHeading">Reference</h4><div class="seeAlsoStyle"><a href="N_log4net_Util.htm">log4net.Util Namespace</a></div></div></div></div></div><div id="OH_footer" class="OH_footer">Apache log4net, Apache and log4net are trademarks of The Apache Software Foundation.<p><a href="http://logging.apache.org/log4net/" target="_blank">Copyright 2004-2017 The Apache Software Foundation</a></p><div class="OH_feedbacklink">Send comments on this topic to
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