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Subclasses that require a write lock for
            index modifications must implement this method. 
            </div><p /><b>Namespace:</b> <a href="4d52bcdb-050f-b66e-6d74-d7169ebc88b0.htm">Lucene.Net.Index</a><br /><b>Assembly:</b> <span sdata="assembly">Lucene.Net</span> (in Lucene.Net.dll) Version: 2.9.4.1<h1 class="heading"><span onclick="ExpandCollapse(syntaxToggle)" style="cursor:default;" onkeypress="ExpandCollapse_CheckKey(syntaxToggle, event)" tabindex="0"><img id="syntaxToggle" class="toggle" name="toggleSwitch" src="../icons/collapse_all.gif" />Syntax</span></h1><div id="syntaxSection" class="section" name="collapseableSection" style=""><div id="syntaxCodeBlocks" class="code"><span codeLanguage="CSharp"><table><tr><th>C#</th></tr><tr><td><pre xml:space="preserve"><span class="keyword">protected internal</span> <span class="keyword">virtual</span> <span class="keyword">void</span> <span class="identifier">AcquireWriteLock</span>()</pre></td></tr></table></span><span codeLanguage="VisualBasicDeclaration"><table><tr><th>Visual Basic</th></tr><tr><td><pre xml:space="preserve"><span class="keyword">Protected Friend</span> <span class="keyword">Overridable</span> <span class="keyword">Sub</span> <span class="identifier">AcquireWriteLock</span></pre></td></tr></table></span><span codeLanguage="ManagedCPlusPlus"><table><tr><th>Visual C++</th></tr><tr><td><pre xml:space="preserve"><span class="keyword">protected public</span>:
<span class="keyword">virtual</span> <span class="keyword">void</span> <span class="identifier">AcquireWriteLock</span>()</pre></td></tr></table></span></div></div><h1 class="heading"><span onclick="ExpandCollapse(seeAlsoToggle)" style="cursor:default;" onkeypress="ExpandCollapse_CheckKey(seeAlsoToggle, event)" tabindex="0"><img id="seeAlsoToggle" class="toggle" name="toggleSwitch" src="../icons/collapse_all.gif" />See Also</span></h1><div id="seeAlsoSection" class="section" name="collapseableSection" style=""><div class="seeAlsoStyle"><a href="4919df1c-c434-d92d-ae43-1f44d0246cd4.htm">IndexReader Class</a></div><div class="seeAlsoStyle"><a href="4d52bcdb-050f-b66e-6d74-d7169ebc88b0.htm">Lucene.Net.Index Namespace</a></div></div></div><div id="footer"><div class="footerLine"><img width="100%" height="3px" src="../icons/footer.gif" alt="Footer image" title="Footer image" /></div><A NAME="feedback"></A><span id="fb" class="feedbackcss"></span></div></div></body></html>