﻿<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>ILog Interface</title><meta name="Language" content="en-us" /><meta name="System.Keywords" content="ILog interface" /><meta name="System.Keywords" content="log4net.ILog interface" /><meta name="System.Keywords" content="ILog interface, about ILog interface" /><meta name="Microsoft.Help.F1" content="log4net.ILog" /><meta name="Microsoft.Help.Id" content="T:log4net.ILog" /><meta name="Description" content="The ILog interface is use by application to log messages into the log4net framework." /><meta name="Microsoft.Help.ContentType" content="Reference" /><meta name="BrandingAware" content="true" /><meta name="container" content="log4net" /><meta name="file" content="T_log4net_ILog" /><meta name="guid" content="T_log4net_ILog" /><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">ILog Interface</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 ILog interface is use by application to log messages into
            the log4net framework.
            </div><p> </p><strong>Namespace:</strong> <a href="N_log4net.htm">log4net</a><br /><strong>Assembly:</strong> log4net (in log4net.dll) Version: 2.0.6.0-.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">interface</span> <span class="identifier">ILog</span> : <span class="identifier">ILoggerWrapper</span></pre></div><div id="ID0EDCA_code_Div2" class="OH_CodeSnippetContainerCode" style="display: none"><pre xml:space="preserve"><span class="keyword">Public</span> <span class="keyword">Interface</span> <span class="identifier">ILog</span>
	<span class="keyword">Inherits</span> <span class="identifier">ILoggerWrapper</span></pre></div><div id="ID0EDCA_code_Div3" class="OH_CodeSnippetContainerCode" style="display: none"><pre xml:space="preserve"><span class="keyword">public</span> <span class="keyword">interface class</span> <span class="identifier">ILog</span> : <span class="identifier">ILoggerWrapper</span></pre></div><div id="ID0EDCA_code_Div4" class="OH_CodeSnippetContainerCode" style="display: none"><pre xml:space="preserve"><span class="keyword">type</span> <span class="identifier">ILog</span> =  
    <span class="keyword">interface</span>
        <span class="keyword">interface</span> <span class="identifier">ILoggerWrapper</span>
    <span class="keyword">end</span></pre></div></div></div><script type="text/javascript">AddLanguageTabSet("ID0EDCA");</script><p>The <span class="selflink">ILog</span> type exposes the following members.</p><div class="OH_CollapsibleAreaRegion"><div class="OH_regiontitle">Properties</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;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" alt="Public property" title="Public property" /></td><td><a href="P_log4net_ILog_IsDebugEnabled.htm">IsDebugEnabled</a></td><td><div class="summary">
            Checks if this logger is enabled for the <a href="F_log4net_Core_Level_Debug.htm">Debug</a> level.
            </div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" alt="Public property" title="Public property" /></td><td><a href="P_log4net_ILog_IsErrorEnabled.htm">IsErrorEnabled</a></td><td><div class="summary">
            Checks if this logger is enabled for the <a href="F_log4net_Core_Level_Error.htm">Error</a> level.
            </div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" alt="Public property" title="Public property" /></td><td><a href="P_log4net_ILog_IsFatalEnabled.htm">IsFatalEnabled</a></td><td><div class="summary">
            Checks if this logger is enabled for the <a href="F_log4net_Core_Level_Fatal.htm">Fatal</a> level.
            </div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" alt="Public property" title="Public property" /></td><td><a href="P_log4net_ILog_IsInfoEnabled.htm">IsInfoEnabled</a></td><td><div class="summary">
            Checks if this logger is enabled for the <a href="F_log4net_Core_Level_Info.htm">Info</a> level.
            </div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" alt="Public property" title="Public property" /></td><td><a href="P_log4net_ILog_IsWarnEnabled.htm">IsWarnEnabled</a></td><td><div class="summary">
            Checks if this logger is enabled for the <a href="F_log4net_Core_Level_Warn.htm">Warn</a> level.
            </div></td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubproperty.gif" alt="Public property" title="Public property" /></td><td><a href="P_log4net_Core_ILoggerWrapper_Logger.htm">Logger</a></td><td><div class="summary">
            Get the implementation behind this wrapper object.
            </div> (Inherited from <a href="T_log4net_Core_ILoggerWrapper.htm">ILoggerWrapper</a>.)</td></tr></table><a href="#mainBody">Top</a><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;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="M_log4net_ILog_Debug.htm">Debug(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;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="M_log4net_ILog_Debug_1.htm">Debug(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;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="M_log4net_ILog_DebugFormat_1.htm">DebugFormat(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;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="M_log4net_ILog_DebugFormat_4.htm">DebugFormat(String, <span id="LST562B901A_0"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_0?cpp=array&lt;");</script>Object<span id="LST562B901A_1"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_1?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;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="M_log4net_ILog_DebugFormat.htm">DebugFormat(IFormatProvider, String, <span id="LST562B901A_2"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_2?cpp=array&lt;");</script>Object<span id="LST562B901A_3"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_3?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;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="M_log4net_ILog_DebugFormat_2.htm">DebugFormat(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;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="M_log4net_ILog_DebugFormat_3.htm">DebugFormat(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;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="M_log4net_ILog_Error.htm">Error(Object)</a></td><td><div class="summary">
            Logs a message object with the <a href="F_log4net_Core_Level_Error.htm">Error</a> level.
            </div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="M_log4net_ILog_Error_1.htm">Error(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;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="M_log4net_ILog_ErrorFormat_1.htm">ErrorFormat(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;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="M_log4net_ILog_ErrorFormat_4.htm">ErrorFormat(String, <span id="LST562B901A_4"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_4?cpp=array&lt;");</script>Object<span id="LST562B901A_5"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_5?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;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="M_log4net_ILog_ErrorFormat.htm">ErrorFormat(IFormatProvider, String, <span id="LST562B901A_6"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_6?cpp=array&lt;");</script>Object<span id="LST562B901A_7"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_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_Error.htm">Error</a> level.
            </div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="M_log4net_ILog_ErrorFormat_2.htm">ErrorFormat(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;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="M_log4net_ILog_ErrorFormat_3.htm">ErrorFormat(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;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="M_log4net_ILog_Fatal.htm">Fatal(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;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="M_log4net_ILog_Fatal_1.htm">Fatal(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;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="M_log4net_ILog_FatalFormat_1.htm">FatalFormat(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;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="M_log4net_ILog_FatalFormat_4.htm">FatalFormat(String, <span id="LST562B901A_8"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_8?cpp=array&lt;");</script>Object<span id="LST562B901A_9"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_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_Fatal.htm">Fatal</a> level.
            </div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="M_log4net_ILog_FatalFormat.htm">FatalFormat(IFormatProvider, String, <span id="LST562B901A_10"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_10?cpp=array&lt;");</script>Object<span id="LST562B901A_11"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_11?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;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="M_log4net_ILog_FatalFormat_2.htm">FatalFormat(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;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="M_log4net_ILog_FatalFormat_3.htm">FatalFormat(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;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="M_log4net_ILog_Info.htm">Info(Object)</a></td><td><div class="summary">
            Logs a message object with the <a href="F_log4net_Core_Level_Info.htm">Info</a> level.
            </div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="M_log4net_ILog_Info_1.htm">Info(Object, Exception)</a></td><td><div class="summary">
            Logs a message object with the <span class="code">INFO</span> 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;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="M_log4net_ILog_InfoFormat_1.htm">InfoFormat(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;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="M_log4net_ILog_InfoFormat_4.htm">InfoFormat(String, <span id="LST562B901A_12"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_12?cpp=array&lt;");</script>Object<span id="LST562B901A_13"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_13?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;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="M_log4net_ILog_InfoFormat.htm">InfoFormat(IFormatProvider, String, <span id="LST562B901A_14"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_14?cpp=array&lt;");</script>Object<span id="LST562B901A_15"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_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_Info.htm">Info</a> level.
            </div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="M_log4net_ILog_InfoFormat_2.htm">InfoFormat(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;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="M_log4net_ILog_InfoFormat_3.htm">InfoFormat(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;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="M_log4net_ILog_Warn.htm">Warn(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;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="M_log4net_ILog_Warn_1.htm">Warn(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;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="M_log4net_ILog_WarnFormat_1.htm">WarnFormat(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;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="M_log4net_ILog_WarnFormat_4.htm">WarnFormat(String, <span id="LST562B901A_16"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_16?cpp=array&lt;");</script>Object<span id="LST562B901A_17"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_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_Warn.htm">Warn</a> level.
            </div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="M_log4net_ILog_WarnFormat.htm">WarnFormat(IFormatProvider, String, <span id="LST562B901A_18"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_18?cpp=array&lt;");</script>Object<span id="LST562B901A_19"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_19?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;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="M_log4net_ILog_WarnFormat_2.htm">WarnFormat(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;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="M_log4net_ILog_WarnFormat_3.htm">WarnFormat(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">Extension 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;inherited;notNetfw;"><td><img src="../icons/pubextension.gif" alt="Public Extension Method" title="Public Extension Method" /></td><td><a href="M_log4net_Util_ILogExtensions_DebugExt.htm">DebugExt(Func<span id="LST562B901A_20"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_20?cs=&lt;|vb=(Of |cpp=&lt;|nu=(|fs=&lt;'");</script>TResult<span id="LST562B901A_21"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_21?cs=&gt;|vb=)|cpp=&gt;|nu=)|fs=&gt;");</script>)</a></td><td>Overloaded.   (Defined by <a href="T_log4net_Util_ILogExtensions.htm">ILogExtensions</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubextension.gif" alt="Public Extension Method" title="Public Extension Method" /></td><td><a href="M_log4net_Util_ILogExtensions_DebugExt_2.htm">DebugExt(Object)</a></td><td>Overloaded.  <div class="summary">
            Log a message object with the <a href="F_log4net_Core_Level_Debug.htm">Debug</a> level.
            </div> (Defined by <a href="T_log4net_Util_ILogExtensions.htm">ILogExtensions</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubextension.gif" alt="Public Extension Method" title="Public Extension Method" /></td><td><a href="M_log4net_Util_ILogExtensions_DebugExt_1.htm">DebugExt(Func<span id="LST562B901A_22"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_22?cs=&lt;|vb=(Of |cpp=&lt;|nu=(|fs=&lt;'");</script>TResult<span id="LST562B901A_23"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_23?cs=&gt;|vb=)|cpp=&gt;|nu=)|fs=&gt;");</script>, Void)</a></td><td>Overloaded.   (Defined by <a href="T_log4net_Util_ILogExtensions.htm">ILogExtensions</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubextension.gif" alt="Public Extension Method" title="Public Extension Method" /></td><td><a href="M_log4net_Util_ILogExtensions_DebugExt_3.htm">DebugExt(Object, Exception)</a></td><td>Overloaded.  <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> (Defined by <a href="T_log4net_Util_ILogExtensions.htm">ILogExtensions</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubextension.gif" alt="Public Extension Method" title="Public Extension Method" /></td><td><a href="M_log4net_Util_ILogExtensions_DebugFormatExt_1.htm">DebugFormatExt(String, Object)</a></td><td>Overloaded.  <div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Debug.htm">Debug</a> level.
            </div> (Defined by <a href="T_log4net_Util_ILogExtensions.htm">ILogExtensions</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubextension.gif" alt="Public Extension Method" title="Public Extension Method" /></td><td><a href="M_log4net_Util_ILogExtensions_DebugFormatExt_4.htm">DebugFormatExt(String, <span id="LST562B901A_24"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_24?cpp=array&lt;");</script>Object<span id="LST562B901A_25"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_25?cpp=&gt;|cs=[]|vb=()|nu=[]|fs=[]");</script>)</a></td><td>Overloaded.  <div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Debug.htm">Debug</a> level.
            </div> (Defined by <a href="T_log4net_Util_ILogExtensions.htm">ILogExtensions</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubextension.gif" alt="Public Extension Method" title="Public Extension Method" /></td><td><a href="M_log4net_Util_ILogExtensions_DebugFormatExt.htm">DebugFormatExt(IFormatProvider, String, <span id="LST562B901A_26"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_26?cpp=array&lt;");</script>Object<span id="LST562B901A_27"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_27?cpp=&gt;|cs=[]|vb=()|nu=[]|fs=[]");</script>)</a></td><td>Overloaded.  <div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Debug.htm">Debug</a> level.
            </div> (Defined by <a href="T_log4net_Util_ILogExtensions.htm">ILogExtensions</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubextension.gif" alt="Public Extension Method" title="Public Extension Method" /></td><td><a href="M_log4net_Util_ILogExtensions_DebugFormatExt_2.htm">DebugFormatExt(String, Object, Object)</a></td><td>Overloaded.  <div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Debug.htm">Debug</a> level.
            </div> (Defined by <a href="T_log4net_Util_ILogExtensions.htm">ILogExtensions</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubextension.gif" alt="Public Extension Method" title="Public Extension Method" /></td><td><a href="M_log4net_Util_ILogExtensions_DebugFormatExt_3.htm">DebugFormatExt(String, Object, Object, Object)</a></td><td>Overloaded.  <div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Debug.htm">Debug</a> level.
            </div> (Defined by <a href="T_log4net_Util_ILogExtensions.htm">ILogExtensions</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubextension.gif" alt="Public Extension Method" title="Public Extension Method" /></td><td><a href="M_log4net_Util_ILogExtensions_ErrorExt.htm">ErrorExt(Func<span id="LST562B901A_28"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_28?cs=&lt;|vb=(Of |cpp=&lt;|nu=(|fs=&lt;'");</script>TResult<span id="LST562B901A_29"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_29?cs=&gt;|vb=)|cpp=&gt;|nu=)|fs=&gt;");</script>)</a></td><td>Overloaded.   (Defined by <a href="T_log4net_Util_ILogExtensions.htm">ILogExtensions</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubextension.gif" alt="Public Extension Method" title="Public Extension Method" /></td><td><a href="M_log4net_Util_ILogExtensions_ErrorExt_2.htm">ErrorExt(Object)</a></td><td>Overloaded.  <div class="summary">
            Log a message object with the <a href="F_log4net_Core_Level_Error.htm">Error</a> level.
            </div> (Defined by <a href="T_log4net_Util_ILogExtensions.htm">ILogExtensions</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubextension.gif" alt="Public Extension Method" title="Public Extension Method" /></td><td><a href="M_log4net_Util_ILogExtensions_ErrorExt_1.htm">ErrorExt(Func<span id="LST562B901A_30"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_30?cs=&lt;|vb=(Of |cpp=&lt;|nu=(|fs=&lt;'");</script>TResult<span id="LST562B901A_31"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_31?cs=&gt;|vb=)|cpp=&gt;|nu=)|fs=&gt;");</script>, Void)</a></td><td>Overloaded.   (Defined by <a href="T_log4net_Util_ILogExtensions.htm">ILogExtensions</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubextension.gif" alt="Public Extension Method" title="Public Extension Method" /></td><td><a href="M_log4net_Util_ILogExtensions_ErrorExt_3.htm">ErrorExt(Object, Exception)</a></td><td>Overloaded.  <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> (Defined by <a href="T_log4net_Util_ILogExtensions.htm">ILogExtensions</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubextension.gif" alt="Public Extension Method" title="Public Extension Method" /></td><td><a href="M_log4net_Util_ILogExtensions_ErrorFormatExt_1.htm">ErrorFormatExt(String, Object)</a></td><td>Overloaded.  <div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Error.htm">Error</a> level.
            </div> (Defined by <a href="T_log4net_Util_ILogExtensions.htm">ILogExtensions</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubextension.gif" alt="Public Extension Method" title="Public Extension Method" /></td><td><a href="M_log4net_Util_ILogExtensions_ErrorFormatExt_4.htm">ErrorFormatExt(String, <span id="LST562B901A_32"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_32?cpp=array&lt;");</script>Object<span id="LST562B901A_33"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_33?cpp=&gt;|cs=[]|vb=()|nu=[]|fs=[]");</script>)</a></td><td>Overloaded.  <div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Error.htm">Error</a> level.
            </div> (Defined by <a href="T_log4net_Util_ILogExtensions.htm">ILogExtensions</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubextension.gif" alt="Public Extension Method" title="Public Extension Method" /></td><td><a href="M_log4net_Util_ILogExtensions_ErrorFormatExt.htm">ErrorFormatExt(IFormatProvider, String, <span id="LST562B901A_34"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_34?cpp=array&lt;");</script>Object<span id="LST562B901A_35"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_35?cpp=&gt;|cs=[]|vb=()|nu=[]|fs=[]");</script>)</a></td><td>Overloaded.  <div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Error.htm">Error</a> level.
            </div> (Defined by <a href="T_log4net_Util_ILogExtensions.htm">ILogExtensions</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubextension.gif" alt="Public Extension Method" title="Public Extension Method" /></td><td><a href="M_log4net_Util_ILogExtensions_ErrorFormatExt_2.htm">ErrorFormatExt(String, Object, Object)</a></td><td>Overloaded.  <div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Error.htm">Error</a> level.
            </div> (Defined by <a href="T_log4net_Util_ILogExtensions.htm">ILogExtensions</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubextension.gif" alt="Public Extension Method" title="Public Extension Method" /></td><td><a href="M_log4net_Util_ILogExtensions_ErrorFormatExt_3.htm">ErrorFormatExt(String, Object, Object, Object)</a></td><td>Overloaded.  <div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Error.htm">Error</a> level.
            </div> (Defined by <a href="T_log4net_Util_ILogExtensions.htm">ILogExtensions</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubextension.gif" alt="Public Extension Method" title="Public Extension Method" /></td><td><a href="M_log4net_Util_ILogExtensions_FatalExt.htm">FatalExt(Func<span id="LST562B901A_36"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_36?cs=&lt;|vb=(Of |cpp=&lt;|nu=(|fs=&lt;'");</script>TResult<span id="LST562B901A_37"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_37?cs=&gt;|vb=)|cpp=&gt;|nu=)|fs=&gt;");</script>)</a></td><td>Overloaded.   (Defined by <a href="T_log4net_Util_ILogExtensions.htm">ILogExtensions</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubextension.gif" alt="Public Extension Method" title="Public Extension Method" /></td><td><a href="M_log4net_Util_ILogExtensions_FatalExt_2.htm">FatalExt(Object)</a></td><td>Overloaded.  <div class="summary">
            Log a message object with the <a href="F_log4net_Core_Level_Fatal.htm">Fatal</a> level.
            </div> (Defined by <a href="T_log4net_Util_ILogExtensions.htm">ILogExtensions</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubextension.gif" alt="Public Extension Method" title="Public Extension Method" /></td><td><a href="M_log4net_Util_ILogExtensions_FatalExt_1.htm">FatalExt(Func<span id="LST562B901A_38"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_38?cs=&lt;|vb=(Of |cpp=&lt;|nu=(|fs=&lt;'");</script>TResult<span id="LST562B901A_39"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_39?cs=&gt;|vb=)|cpp=&gt;|nu=)|fs=&gt;");</script>, Void)</a></td><td>Overloaded.   (Defined by <a href="T_log4net_Util_ILogExtensions.htm">ILogExtensions</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubextension.gif" alt="Public Extension Method" title="Public Extension Method" /></td><td><a href="M_log4net_Util_ILogExtensions_FatalExt_3.htm">FatalExt(Object, Exception)</a></td><td>Overloaded.  <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> (Defined by <a href="T_log4net_Util_ILogExtensions.htm">ILogExtensions</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubextension.gif" alt="Public Extension Method" title="Public Extension Method" /></td><td><a href="M_log4net_Util_ILogExtensions_FatalFormatExt_1.htm">FatalFormatExt(String, Object)</a></td><td>Overloaded.  <div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Fatal.htm">Fatal</a> level.
            </div> (Defined by <a href="T_log4net_Util_ILogExtensions.htm">ILogExtensions</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubextension.gif" alt="Public Extension Method" title="Public Extension Method" /></td><td><a href="M_log4net_Util_ILogExtensions_FatalFormatExt_4.htm">FatalFormatExt(String, <span id="LST562B901A_40"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_40?cpp=array&lt;");</script>Object<span id="LST562B901A_41"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_41?cpp=&gt;|cs=[]|vb=()|nu=[]|fs=[]");</script>)</a></td><td>Overloaded.  <div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Fatal.htm">Fatal</a> level.
            </div> (Defined by <a href="T_log4net_Util_ILogExtensions.htm">ILogExtensions</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubextension.gif" alt="Public Extension Method" title="Public Extension Method" /></td><td><a href="M_log4net_Util_ILogExtensions_FatalFormatExt.htm">FatalFormatExt(IFormatProvider, String, <span id="LST562B901A_42"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_42?cpp=array&lt;");</script>Object<span id="LST562B901A_43"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_43?cpp=&gt;|cs=[]|vb=()|nu=[]|fs=[]");</script>)</a></td><td>Overloaded.  <div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Fatal.htm">Fatal</a> level.
            </div> (Defined by <a href="T_log4net_Util_ILogExtensions.htm">ILogExtensions</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubextension.gif" alt="Public Extension Method" title="Public Extension Method" /></td><td><a href="M_log4net_Util_ILogExtensions_FatalFormatExt_2.htm">FatalFormatExt(String, Object, Object)</a></td><td>Overloaded.  <div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Fatal.htm">Fatal</a> level.
            </div> (Defined by <a href="T_log4net_Util_ILogExtensions.htm">ILogExtensions</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubextension.gif" alt="Public Extension Method" title="Public Extension Method" /></td><td><a href="M_log4net_Util_ILogExtensions_FatalFormatExt_3.htm">FatalFormatExt(String, Object, Object, Object)</a></td><td>Overloaded.  <div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Fatal.htm">Fatal</a> level.
            </div> (Defined by <a href="T_log4net_Util_ILogExtensions.htm">ILogExtensions</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubextension.gif" alt="Public Extension Method" title="Public Extension Method" /></td><td><a href="M_log4net_Util_ILogExtensions_InfoExt.htm">InfoExt(Func<span id="LST562B901A_44"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_44?cs=&lt;|vb=(Of |cpp=&lt;|nu=(|fs=&lt;'");</script>TResult<span id="LST562B901A_45"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_45?cs=&gt;|vb=)|cpp=&gt;|nu=)|fs=&gt;");</script>)</a></td><td>Overloaded.   (Defined by <a href="T_log4net_Util_ILogExtensions.htm">ILogExtensions</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubextension.gif" alt="Public Extension Method" title="Public Extension Method" /></td><td><a href="M_log4net_Util_ILogExtensions_InfoExt_2.htm">InfoExt(Object)</a></td><td>Overloaded.  <div class="summary">
            Log a message object with the <a href="F_log4net_Core_Level_Info.htm">Info</a> level.
            </div> (Defined by <a href="T_log4net_Util_ILogExtensions.htm">ILogExtensions</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubextension.gif" alt="Public Extension Method" title="Public Extension Method" /></td><td><a href="M_log4net_Util_ILogExtensions_InfoExt_1.htm">InfoExt(Func<span id="LST562B901A_46"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_46?cs=&lt;|vb=(Of |cpp=&lt;|nu=(|fs=&lt;'");</script>TResult<span id="LST562B901A_47"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_47?cs=&gt;|vb=)|cpp=&gt;|nu=)|fs=&gt;");</script>, Void)</a></td><td>Overloaded.   (Defined by <a href="T_log4net_Util_ILogExtensions.htm">ILogExtensions</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubextension.gif" alt="Public Extension Method" title="Public Extension Method" /></td><td><a href="M_log4net_Util_ILogExtensions_InfoExt_3.htm">InfoExt(Object, Exception)</a></td><td>Overloaded.  <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> (Defined by <a href="T_log4net_Util_ILogExtensions.htm">ILogExtensions</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubextension.gif" alt="Public Extension Method" title="Public Extension Method" /></td><td><a href="M_log4net_Util_ILogExtensions_InfoFormatExt_1.htm">InfoFormatExt(String, Object)</a></td><td>Overloaded.  <div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Info.htm">Info</a> level.
            </div> (Defined by <a href="T_log4net_Util_ILogExtensions.htm">ILogExtensions</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubextension.gif" alt="Public Extension Method" title="Public Extension Method" /></td><td><a href="M_log4net_Util_ILogExtensions_InfoFormatExt_4.htm">InfoFormatExt(String, <span id="LST562B901A_48"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_48?cpp=array&lt;");</script>Object<span id="LST562B901A_49"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_49?cpp=&gt;|cs=[]|vb=()|nu=[]|fs=[]");</script>)</a></td><td>Overloaded.  <div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Info.htm">Info</a> level.
            </div> (Defined by <a href="T_log4net_Util_ILogExtensions.htm">ILogExtensions</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubextension.gif" alt="Public Extension Method" title="Public Extension Method" /></td><td><a href="M_log4net_Util_ILogExtensions_InfoFormatExt.htm">InfoFormatExt(IFormatProvider, String, <span id="LST562B901A_50"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_50?cpp=array&lt;");</script>Object<span id="LST562B901A_51"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_51?cpp=&gt;|cs=[]|vb=()|nu=[]|fs=[]");</script>)</a></td><td>Overloaded.  <div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Info.htm">Info</a> level.
            </div> (Defined by <a href="T_log4net_Util_ILogExtensions.htm">ILogExtensions</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubextension.gif" alt="Public Extension Method" title="Public Extension Method" /></td><td><a href="M_log4net_Util_ILogExtensions_InfoFormatExt_2.htm">InfoFormatExt(String, Object, Object)</a></td><td>Overloaded.  <div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Info.htm">Info</a> level.
            </div> (Defined by <a href="T_log4net_Util_ILogExtensions.htm">ILogExtensions</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubextension.gif" alt="Public Extension Method" title="Public Extension Method" /></td><td><a href="M_log4net_Util_ILogExtensions_InfoFormatExt_3.htm">InfoFormatExt(String, Object, Object, Object)</a></td><td>Overloaded.  <div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Info.htm">Info</a> level.
            </div> (Defined by <a href="T_log4net_Util_ILogExtensions.htm">ILogExtensions</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubextension.gif" alt="Public Extension Method" title="Public Extension Method" /></td><td><a href="M_log4net_Util_ILogExtensions_WarnExt.htm">WarnExt(Func<span id="LST562B901A_52"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_52?cs=&lt;|vb=(Of |cpp=&lt;|nu=(|fs=&lt;'");</script>TResult<span id="LST562B901A_53"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_53?cs=&gt;|vb=)|cpp=&gt;|nu=)|fs=&gt;");</script>)</a></td><td>Overloaded.   (Defined by <a href="T_log4net_Util_ILogExtensions.htm">ILogExtensions</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubextension.gif" alt="Public Extension Method" title="Public Extension Method" /></td><td><a href="M_log4net_Util_ILogExtensions_WarnExt_2.htm">WarnExt(Object)</a></td><td>Overloaded.  <div class="summary">
            Log a message object with the <a href="F_log4net_Core_Level_Warn.htm">Warn</a> level.
            </div> (Defined by <a href="T_log4net_Util_ILogExtensions.htm">ILogExtensions</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubextension.gif" alt="Public Extension Method" title="Public Extension Method" /></td><td><a href="M_log4net_Util_ILogExtensions_WarnExt_1.htm">WarnExt(Func<span id="LST562B901A_54"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_54?cs=&lt;|vb=(Of |cpp=&lt;|nu=(|fs=&lt;'");</script>TResult<span id="LST562B901A_55"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_55?cs=&gt;|vb=)|cpp=&gt;|nu=)|fs=&gt;");</script>, Void)</a></td><td>Overloaded.   (Defined by <a href="T_log4net_Util_ILogExtensions.htm">ILogExtensions</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubextension.gif" alt="Public Extension Method" title="Public Extension Method" /></td><td><a href="M_log4net_Util_ILogExtensions_WarnExt_3.htm">WarnExt(Object, Exception)</a></td><td>Overloaded.  <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> (Defined by <a href="T_log4net_Util_ILogExtensions.htm">ILogExtensions</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubextension.gif" alt="Public Extension Method" title="Public Extension Method" /></td><td><a href="M_log4net_Util_ILogExtensions_WarnFormatExt_1.htm">WarnFormatExt(String, Object)</a></td><td>Overloaded.  <div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Warn.htm">Warn</a> level.
            </div> (Defined by <a href="T_log4net_Util_ILogExtensions.htm">ILogExtensions</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubextension.gif" alt="Public Extension Method" title="Public Extension Method" /></td><td><a href="M_log4net_Util_ILogExtensions_WarnFormatExt_4.htm">WarnFormatExt(String, <span id="LST562B901A_56"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_56?cpp=array&lt;");</script>Object<span id="LST562B901A_57"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_57?cpp=&gt;|cs=[]|vb=()|nu=[]|fs=[]");</script>)</a></td><td>Overloaded.  <div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Warn.htm">Warn</a> level.
            </div> (Defined by <a href="T_log4net_Util_ILogExtensions.htm">ILogExtensions</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubextension.gif" alt="Public Extension Method" title="Public Extension Method" /></td><td><a href="M_log4net_Util_ILogExtensions_WarnFormatExt.htm">WarnFormatExt(IFormatProvider, String, <span id="LST562B901A_58"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_58?cpp=array&lt;");</script>Object<span id="LST562B901A_59"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_59?cpp=&gt;|cs=[]|vb=()|nu=[]|fs=[]");</script>)</a></td><td>Overloaded.  <div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Warn.htm">Warn</a> level.
            </div> (Defined by <a href="T_log4net_Util_ILogExtensions.htm">ILogExtensions</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubextension.gif" alt="Public Extension Method" title="Public Extension Method" /></td><td><a href="M_log4net_Util_ILogExtensions_WarnFormatExt_2.htm">WarnFormatExt(String, Object, Object)</a></td><td>Overloaded.  <div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Warn.htm">Warn</a> level.
            </div> (Defined by <a href="T_log4net_Util_ILogExtensions.htm">ILogExtensions</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubextension.gif" alt="Public Extension Method" title="Public Extension Method" /></td><td><a href="M_log4net_Util_ILogExtensions_WarnFormatExt_3.htm">WarnFormatExt(String, Object, Object, Object)</a></td><td>Overloaded.  <div class="summary">
            Logs a formatted message string with the <a href="F_log4net_Core_Level_Warn.htm">Warn</a> level.
            </div> (Defined by <a href="T_log4net_Util_ILogExtensions.htm">ILogExtensions</a>.)</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>
            Use the <a href="T_log4net_LogManager.htm">LogManager</a> to obtain logger instances
            that implement this interface. The <span class="nolink">GetLogger(Assembly, Type)</span>
            static method is used to get logger instances.
            </p><p>
            This class contains methods for logging at different levels and also
            has properties for determining if those logging levels are
            enabled in the current configuration.
            </p><p>
            This interface can be implemented in different ways. This documentation
            specifies reasonable behavior that a caller can expect from the actual
            implementation, however different implementations reserve the right to
            do things differently.
            </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="ID0EAAEBA_tabimgleft"> </div><div id="ID0EAAEBA_tab1" class="OH_CodeSnippetContainerTabSolo">C#</div><div class="OH_CodeSnippetContainerTabRightActive" id="ID0EAAEBA_tabimgright"> </div></div><div class="OH_CodeSnippetContainerCodeCollection"><div class="OH_CodeSnippetToolBar"><div class="OH_CodeSnippetToolBarText"><a id="ID0EAAEBA_copyCode" href="#" onclick="javascript:CopyToClipboard('ID0EAAEBA');return false;" title="Copy">Copy</a></div></div><div id="ID0EAAEBA_code_Div1" class="OH_CodeSnippetContainerCode" style="display: block"><pre xml:space="preserve">ILog log = LogManager.GetLogger(<span class="highlight-literal">"application-log"</span>);

log.Info(<span class="highlight-literal">"Application Start"</span>);
log.Debug(<span class="highlight-literal">"This is a debug message"</span>);

<span class="highlight-keyword">if</span> (log.IsDebugEnabled)
{
    log.Debug(<span class="highlight-literal">"This is another debug message"</span>);
}</pre></div></div></div><script type="text/javascript">AddLanguageTabSet("ID0EAAEBA");</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.htm">log4net Namespace</a></div><div class="seeAlsoStyle"><a href="T_log4net_LogManager.htm">log4net<span id="LST562B901A_60"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST562B901A_60?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>LogManager</a></div><div class="seeAlsoStyle"><span class="nolink">[M:LogManager.GetLogger(Assembly, Type)]</span></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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