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</td></tr></table><table id="gradientTable"><tr><td class="nsrBottom" background="../icons/gradient.gif" /></tr></table></div><div id="mainSection"><div id="mainBody"><div id="allHistory" class="saveHistory" onsave="saveAll()" onload="loadAll()" /><span style="color: DarkGray"> </span><p /><p>The <a href="T_BerkeleyDB_HeapDatabaseConfig.htm">HeapDatabaseConfig</a> type exposes the following members.</p><h1 class="heading"><span onclick="ExpandCollapse(constructorTableToggle)" style="cursor:default;" onkeypress="ExpandCollapse_CheckKey(constructorTableToggle, event)" tabindex="0"><img id="constructorTableToggle" class="toggle" name="toggleSwitch" src="../icons/collapse_all.gif" />Constructors</span></h1><div id="constructorTableSection" class="section" name="collapseableSection" style=""><table id="memberList" class="members" frame="lhs" cellpadding="2"><col width="10%" /><tr><th class="iconColumn">
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</th><th class="nameColumn">Name</th><th class="descriptionColumn">Description</th></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="M_BerkeleyDB_HeapDatabaseConfig__ctor.htm">HeapDatabaseConfig</a></td><td><div class="summary">
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Instantiate a new HeapDatabaseConfig object
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</div></td></tr></table></div><h1 class="heading"><span onclick="ExpandCollapse(methodTableToggle)" style="cursor:default;" onkeypress="ExpandCollapse_CheckKey(methodTableToggle, event)" tabindex="0"><img id="methodTableToggle" class="toggle" name="toggleSwitch" src="../icons/collapse_all.gif" />Methods</span></h1><div id="methodTableSection" class="section" name="collapseableSection" style=""><table id="memberList" class="members" frame="lhs" cellpadding="2"><col width="10%" /><tr><th class="iconColumn">
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</th><th class="nameColumn">Name</th><th class="descriptionColumn">Description</th></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="http://msdn2.microsoft.com/en-us/library/bsc2ak47" target="_blank">Equals</a></td><td><div class="summary">
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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>.
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</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" title="Public method" /></td><td><a href="http://msdn2.microsoft.com/en-us/library/zdee4b3y" target="_blank">GetHashCode</a></td><td><div class="summary">
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Serves as a hash function for a particular type.
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</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" title="Public method" /></td><td><a href="http://msdn2.microsoft.com/en-us/library/dfwy45w9" target="_blank">GetType</a></td><td><div class="summary">
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Gets the <a href="http://msdn2.microsoft.com/en-us/library/42892f65" target="_blank">Type</a> of the current instance.
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</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" title="Public method" /></td><td><a href="M_BerkeleyDB_HeapDatabaseConfig_MaxSize.htm">MaxSize</a></td><td><div class="summary">
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Set the maximum on-disk database file size used by the database. Attempts
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to update or create records in a database that have reached this file size
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limit throw a <a href="T_BerkeleyDB_HeapFullException.htm">HeapFullException</a>. If this value is not set,
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the database file size can grow infinitely.
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</div></td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="M_BerkeleyDB_DatabaseConfig_SetEncryption.htm">SetEncryption</a></td><td><div class="summary">
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Set the password and algorithm used by the Berkeley DB library to
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perform encryption and decryption.
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</div> (Inherited from <a href="T_BerkeleyDB_DatabaseConfig.htm">DatabaseConfig</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="http://msdn2.microsoft.com/en-us/library/7bxwbwt2" target="_blank">ToString</a></td><td><div class="summary">
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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>.
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</div> (Inherited from <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a>.)</td></tr></table></div><h1 class="heading"><span onclick="ExpandCollapse(fieldTableToggle)" style="cursor:default;" onkeypress="ExpandCollapse_CheckKey(fieldTableToggle, event)" tabindex="0"><img id="fieldTableToggle" class="toggle" name="toggleSwitch" src="../icons/collapse_all.gif" />Fields</span></h1><div id="fieldTableSection" class="section" name="collapseableSection" style=""><table id="memberList" class="members" frame="lhs" cellpadding="2"><col width="10%" /><tr><th class="iconColumn">
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</th><th class="nameColumn">Name</th><th class="descriptionColumn">Description</th></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubfield.gif" title="Public field" /></td><td><a href="F_BerkeleyDB_DatabaseConfig_AutoCommit.htm">AutoCommit</a></td><td><div class="summary">
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Enclose the open call within a transaction. If the call succeeds,
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the open operation is recoverable and all subsequent database
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modification operations based on this handle will be transactionally
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protected. If the call fails, no database has been created.
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</div> (Inherited from <a href="T_BerkeleyDB_DatabaseConfig.htm">DatabaseConfig</a>.)</td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubfield.gif" title="Public field" /></td><td><a href="F_BerkeleyDB_HeapDatabaseConfig_BlobDir.htm">BlobDir</a></td><td><div class="summary">
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Deprecated. Replaced by ExternalFileDir.
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</div></td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubfield.gif" title="Public field" /></td><td><a href="F_BerkeleyDB_DatabaseConfig_ByteOrder.htm">ByteOrder</a></td><td><div class="summary">
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The byte order for integers in the stored database metadata. The
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host byte order of the machine where the Berkeley DB library was
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compiled is the default value.
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</div> (Inherited from <a href="T_BerkeleyDB_DatabaseConfig.htm">DatabaseConfig</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubfield.gif" title="Public field" /></td><td><a href="F_BerkeleyDB_DatabaseConfig_CacheSize.htm">CacheSize</a></td><td><div class="summary">
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The size of the shared memory buffer pool (the cache).
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</div> (Inherited from <a href="T_BerkeleyDB_DatabaseConfig.htm">DatabaseConfig</a>.)</td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubfield.gif" title="Public field" /></td><td><a href="F_BerkeleyDB_HeapDatabaseConfig_Creation.htm">Creation</a></td><td><div class="summary">
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The policy for how to handle database creation.
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</div></td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubfield.gif" title="Public field" /></td><td><a href="F_BerkeleyDB_DatabaseConfig_DoChecksum.htm">DoChecksum</a></td><td><div class="summary">
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If true, do checksum verification of pages read into the cache from
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the backing filestore.
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</div> (Inherited from <a href="T_BerkeleyDB_DatabaseConfig.htm">DatabaseConfig</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubfield.gif" title="Public field" /></td><td><a href="F_BerkeleyDB_DatabaseConfig_Env.htm">Env</a></td><td><div class="summary">
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The Berkeley DB environment within which to create a database. If
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null, the database is created stand-alone; it is not
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part of any Berkeley DB environment.
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</div> (Inherited from <a href="T_BerkeleyDB_DatabaseConfig.htm">DatabaseConfig</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubfield.gif" title="Public field" /></td><td><a href="F_BerkeleyDB_DatabaseConfig_ErrorFeedback.htm">ErrorFeedback</a></td><td><div class="summary">
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The mechanism for reporting error messages to the application.
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</div> (Inherited from <a href="T_BerkeleyDB_DatabaseConfig.htm">DatabaseConfig</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubfield.gif" title="Public field" /></td><td><a href="F_BerkeleyDB_DatabaseConfig_ErrorPrefix.htm">ErrorPrefix</a></td><td><div class="summary">
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The prefix string that appears before error messages issued by
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Berkeley DB.
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</div> (Inherited from <a href="T_BerkeleyDB_DatabaseConfig.htm">DatabaseConfig</a>.)</td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubfield.gif" title="Public field" /></td><td><a href="F_BerkeleyDB_HeapDatabaseConfig_ExternalFileDir.htm">ExternalFileDir</a></td><td><div class="summary">
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The path of the directory where external files are stored.
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<p>
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If the database is opened within <a href="T_BerkeleyDB_DatabaseEnvironment.htm">DatabaseEnvironment</a>,
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this path setting will be ignored during
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<a href="M_BerkeleyDB_HeapDatabase_Open.htm">Open(String, HeapDatabaseConfig)</a>. Use
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<a href="P_BerkeleyDB_HeapDatabase_ExternalFileDir.htm">ExternalFileDir</a> to identify the current
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storage location of external files after opening the database.
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</p></div></td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubfield.gif" title="Public field" /></td><td><a href="F_BerkeleyDB_DatabaseConfig_Feedback.htm">Feedback</a></td><td><div class="summary">
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</div> (Inherited from <a href="T_BerkeleyDB_DatabaseConfig.htm">DatabaseConfig</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubfield.gif" title="Public field" /></td><td><a href="F_BerkeleyDB_DatabaseConfig_FreeThreaded.htm">FreeThreaded</a></td><td><div class="summary">
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Causes the database object to be free-threaded; that is, concurrently
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usable by multiple threads in the address space.
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</div> (Inherited from <a href="T_BerkeleyDB_DatabaseConfig.htm">DatabaseConfig</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubfield.gif" title="Public field" /></td><td><a href="F_BerkeleyDB_DatabaseConfig_MessagePrefix.htm">MessagePrefix</a></td><td><div class="summary">
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The prefix string that appears before informational messages issued
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by Berkeley DB.
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</div> (Inherited from <a href="T_BerkeleyDB_DatabaseConfig.htm">DatabaseConfig</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubfield.gif" title="Public field" /></td><td><a href="F_BerkeleyDB_DatabaseConfig_NoMMap.htm">NoMMap</a></td><td><div class="summary">
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Do not map this database into process memory.
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</div> (Inherited from <a href="T_BerkeleyDB_DatabaseConfig.htm">DatabaseConfig</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubfield.gif" title="Public field" /></td><td><a href="F_BerkeleyDB_DatabaseConfig_NonDurableTxns.htm">NonDurableTxns</a></td><td><div class="summary">
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If true, Berkeley DB does not write log records for this database.
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</div> (Inherited from <a href="T_BerkeleyDB_DatabaseConfig.htm">DatabaseConfig</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubfield.gif" title="Public field" /></td><td><a href="F_BerkeleyDB_DatabaseConfig_NoWaitDbExclusiveLock.htm">NoWaitDbExclusiveLock</a></td><td><div class="summary">
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Configuration of <a href="T_BerkeleyDB_BaseDatabase.htm">BaseDatabase</a> handle to obtain a write
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lock on the entire database.
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</div> (Inherited from <a href="T_BerkeleyDB_DatabaseConfig.htm">DatabaseConfig</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubfield.gif" title="Public field" /></td><td><a href="F_BerkeleyDB_DatabaseConfig_Priority.htm">Priority</a></td><td><div class="summary">
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The cache priority for pages referenced by the database.
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</div> (Inherited from <a href="T_BerkeleyDB_DatabaseConfig.htm">DatabaseConfig</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubfield.gif" title="Public field" /></td><td><a href="F_BerkeleyDB_DatabaseConfig_ReadOnly.htm">ReadOnly</a></td><td><div class="summary">
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Open the database for reading only. Any attempt to modify items in
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the database will fail, regardless of the actual permissions of any
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underlying files.
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</div> (Inherited from <a href="T_BerkeleyDB_DatabaseConfig.htm">DatabaseConfig</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubfield.gif" title="Public field" /></td><td><a href="F_BerkeleyDB_DatabaseConfig_ReadUncommitted.htm">ReadUncommitted</a></td><td><div class="summary">
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Support transactional read operations with degree 1 isolation.
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</div> (Inherited from <a href="T_BerkeleyDB_DatabaseConfig.htm">DatabaseConfig</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubfield.gif" title="Public field" /></td><td><a href="F_BerkeleyDB_DatabaseConfig_Truncate.htm">Truncate</a></td><td><div class="summary">
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Physically truncate the underlying file, discarding all previous databases it might have held.
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</div> (Inherited from <a href="T_BerkeleyDB_DatabaseConfig.htm">DatabaseConfig</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubfield.gif" title="Public field" /></td><td><a href="F_BerkeleyDB_DatabaseConfig_UseMVCC.htm">UseMVCC</a></td><td><div class="summary">
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Open the database with support for multiversion concurrency control.
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</div> (Inherited from <a href="T_BerkeleyDB_DatabaseConfig.htm">DatabaseConfig</a>.)</td></tr></table></div><h1 class="heading"><span onclick="ExpandCollapse(propertyTableToggle)" style="cursor:default;" onkeypress="ExpandCollapse_CheckKey(propertyTableToggle, event)" tabindex="0"><img id="propertyTableToggle" class="toggle" name="toggleSwitch" src="../icons/collapse_all.gif" />Properties</span></h1><div id="propertyTableSection" class="section" name="collapseableSection" style=""><table id="memberList" class="members" frame="lhs" cellpadding="2"><col width="10%" /><tr><th class="iconColumn">
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</th><th class="nameColumn">Name</th><th class="descriptionColumn">Description</th></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_HeapDatabaseConfig_BlobThreshold.htm">BlobThreshold</a></td><td><div class="summary">
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Deprecated. Replaced by ExternalFileThreshold.
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</div></td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseConfig_EncryptAlgorithm.htm">EncryptAlgorithm</a></td><td><div class="summary">
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The algorithm used to perform encryption and decryption.
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</div> (Inherited from <a href="T_BerkeleyDB_DatabaseConfig.htm">DatabaseConfig</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseConfig_Encrypted.htm">Encrypted</a></td><td><div class="summary">
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Encrypt the database using the cryptographic password specified by
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<a href="M_BerkeleyDB_DatabaseConfig_SetEncryption.htm">DatabaseConfig.SetEncryption</a> or
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<a href="M_BerkeleyDB_DatabaseEnvironmentConfig_SetEncryption.htm">DatabaseEnvironmentConfig.SetEncryption</a>.
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</div> (Inherited from <a href="T_BerkeleyDB_DatabaseConfig.htm">DatabaseConfig</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseConfig_EncryptionPassword.htm">EncryptionPassword</a></td><td><div class="summary">
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The password used to perform encryption and decryption.
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</div> (Inherited from <a href="T_BerkeleyDB_DatabaseConfig.htm">DatabaseConfig</a>.)</td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_HeapDatabaseConfig_ExternalFileThreshold.htm">ExternalFileThreshold</a></td><td><div class="summary">
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The size in bytes which is used to determine when a data item
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will be stored as an external file.
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<p>
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Any data item that is equal to or larger in size than the
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threshold value is automatically stored as an external file.
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</p><p>
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If the threshold value is 0, external files are never used by the
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database.
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</p><p>
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It is illegal to enable external file support in the database which
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is configured as in-memory database or with duplicates,
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sorted duplicates, compression, multiversion concurrency control
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|
and transactional read operations with degree 1 isolation.
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</p></div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_HeapDatabaseConfig_MaxSizeBytes.htm">MaxSizeBytes</a></td><td><div class="summary">
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|
The bytes component of the maximum on-disk database file size.
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|
</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_HeapDatabaseConfig_MaxSizeGBytes.htm">MaxSizeGBytes</a></td><td><div class="summary">
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|
The gigabytes component of the maximum on-disk database file size.
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|
</div></td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseConfig_PageSize.htm">PageSize</a></td><td><div class="summary">
|
|
The size of the pages used to hold items in the database, in bytes.
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|
</div> (Inherited from <a href="T_BerkeleyDB_DatabaseConfig.htm">DatabaseConfig</a>.)</td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_HeapDatabaseConfig_RegionSize.htm">RegionSize</a></td><td><div class="summary">
|
|
The number of pages in a region of the database. If this value is
|
|
never set, the default region size for the database's page size is
|
|
used. You can set the database page size using
|
|
<a href="P_BerkeleyDB_DatabaseConfig_PageSize.htm">PageSize</a>.
|
|
|
|
If the database already exists, this value is ignored. If the
|
|
specified region size is larger than the maximum region size for the
|
|
database's page size, an error is returned when
|
|
<a href="M_BerkeleyDB_Database_Open.htm">Open(String, DatabaseConfig)</a> is called. The maximum allowable region
|
|
size is included in the error message.
|
|
</div></td></tr></table></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="T_BerkeleyDB_HeapDatabaseConfig.htm">HeapDatabaseConfig Class</a></div><div class="seeAlsoStyle"><a href="N_BerkeleyDB.htm">BerkeleyDB Namespace</a></div></div></div><div id="footer"><div class="footerLine"><img width="100%" height="3px" src="../icons/footer.gif" title="Footer image" /></div><A NAME="feedback"></A><span id="fb" class="feedbackcss"> </span>
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