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Close the Berkeley DB environment, freeing any allocated resources
and closing any underlying subsystems.
</div><p />
<b>Namespace:</b>
<a href="N_BerkeleyDB.htm">BerkeleyDB</a><br />
<b>Assembly:</b>
<span sdata="assembly">libdb_dotnet48</span> (in libdb_dotnet48.dll) Version: 4.8.24.0<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">public</span> <span class="keyword">void</span> <span class="identifier">Close</span>()</pre></td></tr></table></span><span codeLanguage="VisualBasicDeclaration"><table><tr><th>Visual Basic (Declaration)</th></tr><tr><td><pre xml:space="preserve"><span class="keyword">Public</span> <span class="keyword">Sub</span> <span class="identifier">Close</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">public</span>:
<span class="keyword">void</span> <span class="identifier">Close</span>()</pre></td></tr></table></span></div></div><h1 class="heading"><span onclick="ExpandCollapse(remarksToggle)" style="cursor:default;" onkeypress="ExpandCollapse_CheckKey(remarksToggle, event)" tabindex="0"><img id="remarksToggle" class="toggle" name="toggleSwitch" src="../icons/collapse_all.gif" />Remarks</span></h1><div id="remarksSection" class="section" name="collapseableSection" style="">
<p>
The object should not be closed while any other handle that refers
to it is not yet closed; for example, database environment handles
must not be closed while database objects remain open, or
transactions in the environment have not yet been committed or
aborted.
</p>
<p>
Where the environment was configured with
<a href="F_BerkeleyDB_DatabaseEnvironmentConfig_UseTxns.htm">UseTxns</a>, calling Close
aborts any unresolved transactions. Applications should not depend
on this behavior for transactions involving Berkeley DB databases;
all such transactions should be explicitly resolved. The problem
with depending on this semantic is that aborting an unresolved
transaction involving database operations requires a database
handle. Because the database handles should have been closed before
calling Close, it will not be possible to abort the transaction, and
recovery will have to be run on the Berkeley DB environment before
further operations are done.
</p>
<p>
In multithreaded applications, only a single thread may call Close.
</p>
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