﻿<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>FileAppender.ExclusiveLock Class</title><meta name="Language" content="en-us" /><meta name="System.Keywords" content="FileAppender.ExclusiveLock class" /><meta name="System.Keywords" content="log4net.Appender.FileAppender.ExclusiveLock class" /><meta name="System.Keywords" content="FileAppender.ExclusiveLock class, about FileAppender.ExclusiveLock class" /><meta name="Microsoft.Help.F1" content="log4net.Appender.FileAppender.ExclusiveLock" /><meta name="Microsoft.Help.Id" content="T:log4net.Appender.FileAppender.ExclusiveLock" /><meta name="Description" content="Hold an exclusive lock on the output file" /><meta name="Microsoft.Help.ContentType" content="Reference" /><meta name="BrandingAware" content="true" /><meta name="container" content="log4net.Appender" /><meta name="file" content="T_log4net_Appender_FileAppender_ExclusiveLock" /><meta name="guid" content="T_log4net_Appender_FileAppender_ExclusiveLock" /></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">FileAppender<span id="LST199DB45C_0"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST199DB45C_0?cpp=::|nu=.");</script>ExclusiveLock 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">
            Hold an exclusive lock on the output file
            </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="LST199DB45C_1"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST199DB45C_1?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>Object</a><br />  <a href="T_log4net_Appender_FileAppender_LockingModelBase.htm">log4net.Appender<span id="LST199DB45C_2"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST199DB45C_2?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>FileAppender<span id="LST199DB45C_3"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST199DB45C_3?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>LockingModelBase</a><br />    <span class="selflink">log4net.Appender<span id="LST199DB45C_4"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST199DB45C_4?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>FileAppender<span id="LST199DB45C_5"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST199DB45C_5?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>ExclusiveLock</span><br /><p> </p><strong>Namespace:</strong> <a href="N_log4net_Appender.htm">log4net.Appender</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">class</span> <span class="identifier">ExclusiveLock</span> : <span class="identifier">FileAppender<span id="LST199DB45C_6"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST199DB45C_6?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>LockingModelBase</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">Class</span> <span class="identifier">ExclusiveLock</span>
	<span class="keyword">Inherits</span> <span class="identifier">FileAppender<span id="LST199DB45C_7"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST199DB45C_7?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>LockingModelBase</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">ref class</span> <span class="identifier">ExclusiveLock</span> : <span class="keyword">public</span> <span class="identifier">FileAppender<span id="LST199DB45C_8"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST199DB45C_8?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>LockingModelBase</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">ExclusiveLock</span> =  
    <span class="keyword">class</span>
        <span class="keyword">inherit</span> <span class="identifier">FileAppender<span id="LST199DB45C_9"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST199DB45C_9?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>LockingModelBase</span>
    <span class="keyword">end</span></pre></div></div></div><script type="text/javascript">AddLanguageTabSet("ID0EDCA");</script><p>The <span class="selflink">FileAppender<span id="LST199DB45C_10"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST199DB45C_10?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>ExclusiveLock</span> type exposes the following members.</p><div class="OH_CollapsibleAreaRegion"><div class="OH_regiontitle">Constructors</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_Appender_FileAppender_ExclusiveLock__ctor.htm">FileAppender<span id="LST199DB45C_11"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST199DB45C_11?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>ExclusiveLock</a></td><td><div class="summary">Initializes a new instance of the <span class="selflink">FileAppender<span id="LST199DB45C_12"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST199DB45C_12?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>ExclusiveLock</span> class</div></td></tr></table><a href="#mainBody">Top</a><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;inherited;notNetfw;"><td><img src="../icons/pubproperty.gif" alt="Public property" title="Public property" /></td><td><a href="P_log4net_Appender_FileAppender_LockingModelBase_CurrentAppender.htm">CurrentAppender</a></td><td><div class="summary">
            Gets or sets the <a href="T_log4net_Appender_FileAppender.htm">FileAppender</a> for this LockingModel
            </div> (Inherited from <a href="T_log4net_Appender_FileAppender_LockingModelBase.htm">FileAppender<span id="LST199DB45C_13"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST199DB45C_13?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>LockingModelBase</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_Appender_FileAppender_ExclusiveLock_AcquireLock.htm">AcquireLock</a></td><td><div class="summary">
            Acquire the lock on the file
            </div> (Overrides <a href="M_log4net_Appender_FileAppender_LockingModelBase_AcquireLock.htm">FileAppender<span id="LST199DB45C_14"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST199DB45C_14?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>LockingModelBase<span id="LST199DB45C_15"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST199DB45C_15?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>AcquireLock<span id="LST199DB45C_16"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST199DB45C_16?cs=()|vb=|cpp=()|nu=()|fs=()");</script></a>.)</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_Appender_FileAppender_ExclusiveLock_ActivateOptions.htm">ActivateOptions</a></td><td><div class="summary">
            Initializes all resources used by this locking model.
            </div> (Overrides <a href="M_log4net_Appender_FileAppender_LockingModelBase_ActivateOptions.htm">FileAppender<span id="LST199DB45C_17"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST199DB45C_17?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>LockingModelBase<span id="LST199DB45C_18"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST199DB45C_18?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>ActivateOptions<span id="LST199DB45C_19"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST199DB45C_19?cs=()|vb=|cpp=()|nu=()|fs=()");</script></a>.)</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_Appender_FileAppender_ExclusiveLock_CloseFile.htm">CloseFile</a></td><td><div class="summary">
            Close the file
            </div> (Overrides <a href="M_log4net_Appender_FileAppender_LockingModelBase_CloseFile.htm">FileAppender<span id="LST199DB45C_20"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST199DB45C_20?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>LockingModelBase<span id="LST199DB45C_21"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST199DB45C_21?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>CloseFile<span id="LST199DB45C_22"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST199DB45C_22?cs=()|vb=|cpp=()|nu=()|fs=()");</script></a>.)</td></tr><tr data="protected;inherited;notNetfw;"><td><img src="../icons/protmethod.gif" alt="Protected method" title="Protected method" /></td><td><a href="M_log4net_Appender_FileAppender_LockingModelBase_CloseStream.htm">CloseStream</a></td><td><div class="summary">
            Helper method to close <span class="parameter">stream</span> under CurrentAppender's SecurityContext.
            </div> (Inherited from <a href="T_log4net_Appender_FileAppender_LockingModelBase.htm">FileAppender<span id="LST199DB45C_23"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST199DB45C_23?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>LockingModelBase</a>.)</td></tr><tr data="protected;inherited;notNetfw;"><td><img src="../icons/protmethod.gif" alt="Protected method" title="Protected method" /></td><td><a href="M_log4net_Appender_FileAppender_LockingModelBase_CreateStream.htm">CreateStream</a></td><td><div class="summary">
            Helper method that creates a FileStream under CurrentAppender's SecurityContext.
            </div> (Inherited from <a href="T_log4net_Appender_FileAppender_LockingModelBase.htm">FileAppender<span id="LST199DB45C_24"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST199DB45C_24?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>LockingModelBase</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="http://msdn2.microsoft.com/en-us/library/bsc2ak47" target="_blank">Equals</a></td><td><div class="summary">
                    Determines whether the specified <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a> is equal to the current <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a>.
                </div> (Inherited from <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a>.)</td></tr><tr data="protected;inherited;notNetfw;"><td><img src="../icons/protmethod.gif" alt="Protected method" title="Protected method" /></td><td><a href="http://msdn2.microsoft.com/en-us/library/4k87zsw7" target="_blank">Finalize</a></td><td><div class="summary">
                    Allows an <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a> to attempt to free resources and perform other cleanup operations before the <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a> is reclaimed by garbage collection.
                </div> (Inherited from <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="http://msdn2.microsoft.com/en-us/library/zdee4b3y" target="_blank">GetHashCode</a></td><td><div class="summary">
                    Serves as a hash function for a particular type. 
                </div> (Inherited from <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="http://msdn2.microsoft.com/en-us/library/dfwy45w9" target="_blank">GetType</a></td><td><div class="summary">
                    Gets the <a href="http://msdn2.microsoft.com/en-us/library/42892f65" target="_blank">Type</a> of the current instance.
                </div> (Inherited from <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a>.)</td></tr><tr data="protected;inherited;notNetfw;"><td><img src="../icons/protmethod.gif" alt="Protected method" title="Protected method" /></td><td><a href="http://msdn2.microsoft.com/en-us/library/57ctke0a" target="_blank">MemberwiseClone</a></td><td><div class="summary">
                    Creates a shallow copy of the current <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a>.
                </div> (Inherited from <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a>.)</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_Appender_FileAppender_ExclusiveLock_OnClose.htm">OnClose</a></td><td><div class="summary">
            Disposes all resources that were initialized by this locking model.
            </div> (Overrides <a href="M_log4net_Appender_FileAppender_LockingModelBase_OnClose.htm">FileAppender<span id="LST199DB45C_25"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST199DB45C_25?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>LockingModelBase<span id="LST199DB45C_26"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST199DB45C_26?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>OnClose<span id="LST199DB45C_27"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST199DB45C_27?cs=()|vb=|cpp=()|nu=()|fs=()");</script></a>.)</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_Appender_FileAppender_ExclusiveLock_OpenFile.htm">OpenFile</a></td><td><div class="summary">
            Open the file specified and prepare for logging.
            </div> (Overrides <a href="M_log4net_Appender_FileAppender_LockingModelBase_OpenFile.htm">FileAppender<span id="LST199DB45C_28"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST199DB45C_28?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>LockingModelBase<span id="LST199DB45C_29"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST199DB45C_29?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>OpenFile(String, Boolean, Encoding)</a>.)</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_Appender_FileAppender_ExclusiveLock_ReleaseLock.htm">ReleaseLock</a></td><td><div class="summary">
            Release the lock on the file
            </div> (Overrides <a href="M_log4net_Appender_FileAppender_LockingModelBase_ReleaseLock.htm">FileAppender<span id="LST199DB45C_30"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST199DB45C_30?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>LockingModelBase<span id="LST199DB45C_31"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST199DB45C_31?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>ReleaseLock<span id="LST199DB45C_32"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST199DB45C_32?cs=()|vb=|cpp=()|nu=()|fs=()");</script></a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="http://msdn2.microsoft.com/en-us/library/7bxwbwt2" target="_blank">ToString</a></td><td><div class="summary">
                    Returns a <a href="http://msdn2.microsoft.com/en-us/library/s1wwdcbf" target="_blank">String</a> that represents the current <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a>.
                </div> (Inherited from <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</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>
            Open the file once for writing and hold it open until <a href="M_log4net_Appender_FileAppender_ExclusiveLock_CloseFile.htm">CloseFile<span id="LST199DB45C_33"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST199DB45C_33?cs=()|vb=|cpp=()|nu=()|fs=()");</script></a> is called. 
            Maintains an exclusive lock on the file during this time.
            </p><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_Appender.htm">log4net.Appender 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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