diff --git a/xflaim/csharp/xflaim/DbSystem.cpp b/xflaim/csharp/xflaim/DbSystem.cpp
index 56f95fa..9ab8716 100644
--- a/xflaim/csharp/xflaim/DbSystem.cpp
+++ b/xflaim/csharp/xflaim/DbSystem.cpp
@@ -1467,7 +1467,7 @@ FLMEXTC FLMEXP void FLMAPI xflaim_DbSystem_freeUnmanagedMem(
 	FLMUINT64		ui64This,
 	void *			pvMem)
 {
-	IF_DbSystem *	pDbSystem = ((IF_DbSystem *)(FLMUINT)ui64This);
+	IF_DbSystem *	pDbSystem = (IF_DbSystem *)((FLMUINT)ui64This);
 	
 	pDbSystem->freeMem( &pvMem);
 }
@@ -1480,7 +1480,7 @@ FLMEXTC FLMEXP RCODE FLMAPI xflaim_DbSystem_updateIniFile(
 	const char *	pszParamName,
 	const char *	pszValue)
 {
-	IF_DbSystem *	pDbSystem = ((IF_DbSystem *)(FLMUINT)ui64This);
+	IF_DbSystem *	pDbSystem = (IF_DbSystem *)((FLMUINT)ui64This);
 	
 	return( pDbSystem->updateIniFile( pszParamName, pszValue));
 }
@@ -1494,7 +1494,7 @@ FLMEXTC FLMEXP RCODE FLMAPI xflaim_DbSystem_dbDup(
 	FLMUINT64 *		pui64DupDb)
 {
 	RCODE				rc;
-	IF_DbSystem *	pDbSystem = ((IF_DbSystem *)(FLMUINT)ui64This);
+	IF_DbSystem *	pDbSystem = (IF_DbSystem *)((FLMUINT)ui64This);
 	IF_Db *			pDbToDup = ((IF_Db *)(FLMUINT)ui64DbToDup);
 	IF_Db *			pDupDb = NULL;
 	
@@ -1513,7 +1513,7 @@ FLMEXTC FLMEXP RCODE FLMAPI xflaim_DbSystem_setDynamicMemoryLimit(
 	FLMUINT64		ui64CacheAdjustMax,
 	FLMUINT64		ui64CacheAdjustMinToLeave)
 {
-	IF_DbSystem *	pDbSystem = ((IF_DbSystem *)(FLMUINT)ui64This);
+	IF_DbSystem *	pDbSystem = (IF_DbSystem *)((FLMUINT)ui64This);
 
 	return( pDbSystem->setDynamicMemoryLimit( (FLMUINT)ui32CacheAdjustPercent,
 			(FLMUINT)ui64CacheAdjustMin, (FLMUINT)ui64CacheAdjustMax,
@@ -1532,7 +1532,7 @@ FLMEXTC FLMEXP RCODE FLMAPI xflaim_DbSystem_setHardMemoryLimit(
 	FLMUINT64		ui64MinToLeave,
 	FLMBOOL			bPreallocate)
 {
-	IF_DbSystem *	pDbSystem = ((IF_DbSystem *)(FLMUINT)ui64This);
+	IF_DbSystem *	pDbSystem = (IF_DbSystem *)((FLMUINT)ui64This);
 
 	return( pDbSystem->setHardMemoryLimit( (FLMUINT)ui32Percent, bPercentOfAvail,
 			(FLMUINT)ui64Min, (FLMUINT)ui64Max, (FLMUINT)ui64MinToLeave, bPreallocate));
@@ -1544,7 +1544,7 @@ Desc:
 FLMEXTC FLMEXP FLMBOOL FLMAPI xflaim_DbSystem_getDynamicCacheSupported(
 	FLMUINT64		ui64This)
 {
-	IF_DbSystem *	pDbSystem = ((IF_DbSystem *)(FLMUINT)ui64This);
+	IF_DbSystem *	pDbSystem = (IF_DbSystem *)((FLMUINT)ui64This);
 
 	return( pDbSystem->getDynamicCacheSupported());
 }
@@ -1574,7 +1574,7 @@ FLMEXTC FLMEXP void FLMAPI xflaim_DbSystem_getCacheInfo(
 	FLMUINT64				ui64This,
 	CS_XFLM_CACHE_INFO *	pCacheInfo)
 {
-	IF_DbSystem *		pDbSystem = ((IF_DbSystem *)(FLMUINT)ui64This);
+	IF_DbSystem *		pDbSystem = (IF_DbSystem *)((FLMUINT)ui64This);
 	XFLM_CACHE_INFO	cacheInfo;
 
 	pDbSystem->getCacheInfo( &cacheInfo);
@@ -1608,7 +1608,7 @@ FLMEXTC FLMEXP RCODE FLMAPI xflaim_DbSystem_closeUnusedFiles(
 	FLMUINT64		ui64This,
 	FLMUINT32		ui32Seconds)
 {
-	IF_DbSystem *	pDbSystem = ((IF_DbSystem *)(FLMUINT)ui64This);
+	IF_DbSystem *	pDbSystem = (IF_DbSystem *)((FLMUINT)ui64This);
 
 	return( pDbSystem->closeUnusedFiles( (FLMUINT)ui32Seconds));
 }
@@ -1619,7 +1619,7 @@ Desc:
 FLMEXTC FLMEXP void FLMAPI xflaim_DbSystem_startStats(
 	FLMUINT64		ui64This)
 {
-	IF_DbSystem *	pDbSystem = ((IF_DbSystem *)(FLMUINT)ui64This);
+	IF_DbSystem *	pDbSystem = (IF_DbSystem *)((FLMUINT)ui64This);
 
 	pDbSystem->startStats();
 }
@@ -1630,7 +1630,7 @@ Desc:
 FLMEXTC FLMEXP void FLMAPI xflaim_DbSystem_stopStats(
 	FLMUINT64		ui64This)
 {
-	IF_DbSystem *	pDbSystem = ((IF_DbSystem *)(FLMUINT)ui64This);
+	IF_DbSystem *	pDbSystem = (IF_DbSystem *)((FLMUINT)ui64This);
 
 	pDbSystem->stopStats();
 }
@@ -1641,7 +1641,7 @@ Desc:
 FLMEXTC FLMEXP void FLMAPI xflaim_DbSystem_resetStats(
 	FLMUINT64		ui64This)
 {
-	IF_DbSystem *	pDbSystem = ((IF_DbSystem *)(FLMUINT)ui64This);
+	IF_DbSystem *	pDbSystem = (IF_DbSystem *)((FLMUINT)ui64This);
 
 	pDbSystem->resetStats();
 }
@@ -1654,7 +1654,7 @@ FLMEXTC FLMEXP RCODE FLMAPI xflaim_DbSystem_getStats(
 	FLMUINT64 *		pui64Stats)
 {
 	RCODE				rc = NE_XFLM_OK;
-	IF_DbSystem *	pDbSystem = ((IF_DbSystem *)(FLMUINT)ui64This);
+	IF_DbSystem *	pDbSystem = (IF_DbSystem *)((FLMUINT)ui64This);
 	XFLM_STATS *	pStats = NULL;
 
 	if (RC_BAD( rc = f_calloc( sizeof( XFLM_STATS), &pStats)))
@@ -1681,7 +1681,7 @@ FLMEXTC FLMEXP RCODE FLMAPI xflaim_DbSystem_setTempDir(
 	FLMUINT64		ui64This,
 	const char *	pszTempDir)
 {
-	IF_DbSystem *	pDbSystem = ((IF_DbSystem *)(FLMUINT)ui64This);
+	IF_DbSystem *	pDbSystem = (IF_DbSystem *)((FLMUINT)ui64This);
 
 	return( pDbSystem->setTempDir( pszTempDir));
 }
@@ -1694,7 +1694,7 @@ FLMEXTC FLMEXP RCODE FLMAPI xflaim_DbSystem_getTempDir(
 	char **			ppszTempDir)
 {
 	RCODE				rc = NE_XFLM_OK;
-	IF_DbSystem *	pDbSystem = ((IF_DbSystem *)(FLMUINT)ui64This);
+	IF_DbSystem *	pDbSystem = (IF_DbSystem *)((FLMUINT)ui64This);
 	char				szPath [F_PATH_MAX_SIZE];
 	FLMUINT			uiLen;
 	
@@ -1720,7 +1720,7 @@ FLMEXTC FLMEXP void FLMAPI xflaim_DbSystem_setCheckpointInterval(
 	FLMUINT64		ui64This,
 	FLMUINT32		ui32Seconds)
 {
-	IF_DbSystem *	pDbSystem = ((IF_DbSystem *)(FLMUINT)ui64This);
+	IF_DbSystem *	pDbSystem = (IF_DbSystem *)((FLMUINT)ui64This);
 
 	pDbSystem->setCheckpointInterval( (FLMUINT)ui32Seconds);
 }
@@ -1731,7 +1731,7 @@ Desc:
 FLMEXTC FLMEXP FLMUINT32 FLMAPI xflaim_DbSystem_getCheckpointInterval(
 	FLMUINT64		ui64This)
 {
-	IF_DbSystem *	pDbSystem = ((IF_DbSystem *)(FLMUINT)ui64This);
+	IF_DbSystem *	pDbSystem = (IF_DbSystem *)((FLMUINT)ui64This);
 
 	return( (FLMUINT32)pDbSystem->getCheckpointInterval());
 }
@@ -1743,7 +1743,7 @@ FLMEXTC FLMEXP void FLMAPI xflaim_DbSystem_setCacheAdjustInterval(
 	FLMUINT64		ui64This,
 	FLMUINT32		ui32Seconds)
 {
-	IF_DbSystem *	pDbSystem = ((IF_DbSystem *)(FLMUINT)ui64This);
+	IF_DbSystem *	pDbSystem = (IF_DbSystem *)((FLMUINT)ui64This);
 
 	pDbSystem->setCacheAdjustInterval( (FLMUINT)ui32Seconds);
 }
@@ -1754,7 +1754,7 @@ Desc:
 FLMEXTC FLMEXP FLMUINT32 FLMAPI xflaim_DbSystem_getCacheAdjustInterval(
 	FLMUINT64		ui64This)
 {
-	IF_DbSystem *	pDbSystem = ((IF_DbSystem *)(FLMUINT)ui64This);
+	IF_DbSystem *	pDbSystem = (IF_DbSystem *)((FLMUINT)ui64This);
 
 	return( (FLMUINT32)pDbSystem->getCacheAdjustInterval());
 }
@@ -1766,7 +1766,7 @@ FLMEXTC FLMEXP void FLMAPI xflaim_DbSystem_setCacheCleanupInterval(
 	FLMUINT64		ui64This,
 	FLMUINT32		ui32Seconds)
 {
-	IF_DbSystem *	pDbSystem = ((IF_DbSystem *)(FLMUINT)ui64This);
+	IF_DbSystem *	pDbSystem = (IF_DbSystem *)((FLMUINT)ui64This);
 
 	pDbSystem->setCacheCleanupInterval( (FLMUINT)ui32Seconds);
 }
@@ -1777,7 +1777,7 @@ Desc:
 FLMEXTC FLMEXP FLMUINT32 FLMAPI xflaim_DbSystem_getCacheCleanupInterval(
 	FLMUINT64		ui64This)
 {
-	IF_DbSystem *	pDbSystem = ((IF_DbSystem *)(FLMUINT)ui64This);
+	IF_DbSystem *	pDbSystem = (IF_DbSystem *)((FLMUINT)ui64This);
 
 	return( (FLMUINT32)pDbSystem->getCacheCleanupInterval());
 }
@@ -1789,7 +1789,7 @@ FLMEXTC FLMEXP void FLMAPI xflaim_DbSystem_setUnusedCleanupInterval(
 	FLMUINT64		ui64This,
 	FLMUINT32		ui32Seconds)
 {
-	IF_DbSystem *	pDbSystem = ((IF_DbSystem *)(FLMUINT)ui64This);
+	IF_DbSystem *	pDbSystem = (IF_DbSystem *)((FLMUINT)ui64This);
 
 	pDbSystem->setUnusedCleanupInterval( (FLMUINT)ui32Seconds);
 }
@@ -1800,7 +1800,7 @@ Desc:
 FLMEXTC FLMEXP FLMUINT32 FLMAPI xflaim_DbSystem_getUnusedCleanupInterval(
 	FLMUINT64		ui64This)
 {
-	IF_DbSystem *	pDbSystem = ((IF_DbSystem *)(FLMUINT)ui64This);
+	IF_DbSystem *	pDbSystem = (IF_DbSystem *)((FLMUINT)ui64This);
 
 	return( (FLMUINT32)pDbSystem->getUnusedCleanupInterval());
 }
@@ -1812,7 +1812,7 @@ FLMEXTC FLMEXP void FLMAPI xflaim_DbSystem_setMaxUnusedTime(
 	FLMUINT64		ui64This,
 	FLMUINT32		ui32Seconds)
 {
-	IF_DbSystem *	pDbSystem = ((IF_DbSystem *)(FLMUINT)ui64This);
+	IF_DbSystem *	pDbSystem = (IF_DbSystem *)((FLMUINT)ui64This);
 
 	pDbSystem->setMaxUnusedTime( (FLMUINT)ui32Seconds);
 }
@@ -1823,7 +1823,7 @@ Desc:
 FLMEXTC FLMEXP FLMUINT32 FLMAPI xflaim_DbSystem_getMaxUnusedTime(
 	FLMUINT64		ui64This)
 {
-	IF_DbSystem *	pDbSystem = ((IF_DbSystem *)(FLMUINT)ui64This);
+	IF_DbSystem *	pDbSystem = (IF_DbSystem *)((FLMUINT)ui64This);
 
 	return( (FLMUINT32)pDbSystem->getMaxUnusedTime());
 }
@@ -1836,7 +1836,7 @@ FLMEXTC FLMEXP void FLMAPI xflaim_DbSystem_deactivateOpenDb(
 	const char *	pszDbFileName,
 	const char *	pszDataDir)
 {
-	IF_DbSystem *	pDbSystem = ((IF_DbSystem *)(FLMUINT)ui64This);
+	IF_DbSystem *	pDbSystem = (IF_DbSystem *)((FLMUINT)ui64This);
 
 	pDbSystem->deactivateOpenDb( pszDbFileName, pszDataDir);
 }
@@ -1848,7 +1848,7 @@ FLMEXTC FLMEXP void FLMAPI xflaim_DbSystem_setQuerySaveMax(
 	FLMUINT64		ui64This,
 	FLMUINT32		ui32MaxToSave)
 {
-	IF_DbSystem *	pDbSystem = ((IF_DbSystem *)(FLMUINT)ui64This);
+	IF_DbSystem *	pDbSystem = (IF_DbSystem *)((FLMUINT)ui64This);
 
 	pDbSystem->setQuerySaveMax( (FLMUINT)ui32MaxToSave);
 }
@@ -1859,7 +1859,7 @@ Desc:
 FLMEXTC FLMEXP FLMUINT32 FLMAPI xflaim_DbSystem_getQuerySaveMax(
 	FLMUINT64		ui64This)
 {
-	IF_DbSystem *	pDbSystem = ((IF_DbSystem *)(FLMUINT)ui64This);
+	IF_DbSystem *	pDbSystem = (IF_DbSystem *)((FLMUINT)ui64This);
 
 	return( (FLMUINT32)pDbSystem->getQuerySaveMax());
 }
@@ -1872,7 +1872,7 @@ FLMEXTC FLMEXP void FLMAPI xflaim_DbSystem_setDirtyCacheLimits(
 	FLMUINT64		ui64MaxDirty,
 	FLMUINT64		ui64LowDirty)
 {
-	IF_DbSystem *	pDbSystem = ((IF_DbSystem *)(FLMUINT)ui64This);
+	IF_DbSystem *	pDbSystem = (IF_DbSystem *)((FLMUINT)ui64This);
 
 	pDbSystem->setDirtyCacheLimits( (FLMUINT)ui64MaxDirty, (FLMUINT)ui64LowDirty);
 }
@@ -1885,7 +1885,7 @@ FLMEXTC FLMEXP void FLMAPI xflaim_DbSystem_getDirtyCacheLimits(
 	FLMUINT64 *		pui64MaxDirty,
 	FLMUINT64 *		pui64LowDirty)
 {
-	IF_DbSystem *	pDbSystem = ((IF_DbSystem *)(FLMUINT)ui64This);
+	IF_DbSystem *	pDbSystem = (IF_DbSystem *)((FLMUINT)ui64This);
 	FLMUINT			uiMaxDirty;
 	FLMUINT			uiLowDirty;
 
@@ -1908,7 +1908,7 @@ FLMEXTC FLMEXP RCODE FLMAPI xflaim_DbSystem_compareStrings(
 	FLMINT32 *				pi32Result)
 {
 	RCODE				rc = NE_XFLM_OK;
-	IF_DbSystem *	pDbSystem = ((IF_DbSystem *)(FLMUINT)ui64This);
+	IF_DbSystem *	pDbSystem = (IF_DbSystem *)((FLMUINT)ui64This);
 	FLMINT			iResult;
 
 	if (RC_BAD( rc = pDbSystem->compareUnicodeStrings(
@@ -1924,3 +1924,81 @@ FLMEXTC FLMEXP RCODE FLMAPI xflaim_DbSystem_compareStrings(
 Exit:
 	return( rc);
 }
+
+/****************************************************************************
+Desc:
+****************************************************************************/
+FLMEXTC FLMEXP FLMBOOL FLMAPI xflaim_DbSystem_uniIsUpper(
+	FLMUINT64		ui64This,
+	FLMUNICODE		uzChar)
+{
+	IF_DbSystem *	pDbSystem = (IF_DbSystem *)((FLMUINT)ui64This);
+	return( pDbSystem->uniIsUpper( uzChar));
+}
+
+/****************************************************************************
+Desc:
+****************************************************************************/
+FLMEXTC FLMEXP FLMBOOL FLMAPI xflaim_DbSystem_uniIsLower(
+	FLMUINT64		ui64This,
+	FLMUNICODE		uzChar)
+{
+	IF_DbSystem *	pDbSystem = (IF_DbSystem *)((FLMUINT)ui64This);
+	return( pDbSystem->uniIsLower( uzChar));
+}
+
+/****************************************************************************
+Desc:
+****************************************************************************/
+FLMEXTC FLMEXP FLMBOOL FLMAPI xflaim_DbSystem_uniIsAlpha(
+	FLMUINT64		ui64This,
+	FLMUNICODE		uzChar)
+{
+	IF_DbSystem *	pDbSystem = (IF_DbSystem *)((FLMUINT)ui64This);
+	return( pDbSystem->uniIsAlpha( uzChar));
+}
+
+/****************************************************************************
+Desc:
+****************************************************************************/
+FLMEXTC FLMEXP FLMBOOL FLMAPI xflaim_DbSystem_uniIsDecimalDigit(
+	FLMUINT64		ui64This,
+	FLMUNICODE		uzChar)
+{
+	IF_DbSystem *	pDbSystem = (IF_DbSystem *)((FLMUINT)ui64This);
+	return( pDbSystem->uniIsDecimalDigit( uzChar));
+}
+
+/****************************************************************************
+Desc:
+****************************************************************************/
+FLMEXTC FLMEXP FLMUNICODE FLMAPI xflaim_DbSystem_uniToLower(
+	FLMUINT64		ui64This,
+	FLMUNICODE		uzChar)
+{
+	IF_DbSystem *	pDbSystem = (IF_DbSystem *)((FLMUINT)ui64This);
+	return( pDbSystem->uniToLower( uzChar));
+}
+
+/****************************************************************************
+Desc:
+****************************************************************************/
+FLMEXTC FLMEXP RCODE FLMAPI xflaim_DbSystem_waitToClose(
+	FLMUINT64		ui64This,
+	const char *	pszDbFileName)
+{
+	IF_DbSystem *	pDbSystem = (IF_DbSystem *)((FLMUINT)ui64This);
+	return( pDbSystem->waitToClose( pszDbFileName));
+}
+
+/****************************************************************************
+Desc:
+****************************************************************************/
+FLMEXTC FLMEXP RCODE FLMAPI xflaim_DbSystem_clearCache(
+	FLMUINT64		ui64This,
+	FLMUINT64		ui64Db)
+{
+	IF_DbSystem *	pDbSystem = (IF_DbSystem *)((FLMUINT)ui64This);
+	IF_Db *			pDb = (IF_Db *)((FLMUINT)ui64Db);
+	return( pDbSystem->clearCache( pDb));
+}
diff --git a/xflaim/csharp/xflaim/DbSystem.cs b/xflaim/csharp/xflaim/DbSystem.cs
index d962ade..81f0754 100644
--- a/xflaim/csharp/xflaim/DbSystem.cs
+++ b/xflaim/csharp/xflaim/DbSystem.cs
@@ -2642,5 +2642,190 @@ namespace xflaim
 			Languages		eLanguage,
 			out int			piResult);
 
+//-----------------------------------------------------------------------------
+// uniIsUpper
+//-----------------------------------------------------------------------------
+
+		/// <summary>
+		/// Determine if a character is upper case.
+		/// </summary>
+		/// <param name="uzChar">
+		/// Character to be tested.
+		/// </param>
+		/// <returns>
+		/// Returns a flag indicating if the character is upper case.
+		/// </returns>
+		public bool uniIsUpper(
+			char	uzChar)
+		{
+			return( xflaim_DbSystem_uniIsUpper( m_pDbSystem,
+				uzChar) != 0 ? true : false);
+		}
+
+		[DllImport("xflaim")]
+		private static extern int xflaim_DbSystem_uniIsUpper(
+			ulong				pDbSystem,
+			char				uzChar);
+
+//-----------------------------------------------------------------------------
+// uniIsLower
+//-----------------------------------------------------------------------------
+
+		/// <summary>
+		/// Determine if a character is lower case.
+		/// </summary>
+		/// <param name="uzChar">
+		/// Character to be tested.
+		/// </param>
+		/// <returns>
+		/// Returns a flag indicating if the character is lower case.
+		/// </returns>
+		public bool uniIsLower(
+			char	uzChar)
+		{
+			return( xflaim_DbSystem_uniIsLower( m_pDbSystem,
+				uzChar) != 0 ? true : false);
+		}
+
+		[DllImport("xflaim")]
+		private static extern int xflaim_DbSystem_uniIsLower(
+			ulong				pDbSystem,
+			char				uzChar);
+
+//-----------------------------------------------------------------------------
+// uniIsAlpha
+//-----------------------------------------------------------------------------
+
+		/// <summary>
+		/// Determine if a character is an alphabetic character.
+		/// </summary>
+		/// <param name="uzChar">
+		/// Character to be tested.
+		/// </param>
+		/// <returns>
+		/// Returns a flag indicating if the character is alphabetic
+		/// </returns>
+		public bool uniIsAlpha(
+			char	uzChar)
+		{
+			return( xflaim_DbSystem_uniIsAlpha( m_pDbSystem,
+				uzChar) != 0 ? true : false);
+		}
+
+		[DllImport("xflaim")]
+		private static extern int xflaim_DbSystem_uniIsAlpha(
+			ulong				pDbSystem,
+			char				uzChar);
+
+//-----------------------------------------------------------------------------
+// uniIsDecimalDigit
+//-----------------------------------------------------------------------------
+
+		/// <summary>
+		/// Determine if a character is a decimal digit (0..9)
+		/// </summary>
+		/// <param name="uzChar">
+		/// Character to be tested.
+		/// </param>
+		/// <returns>
+		/// Returns a flag indicating if the character is a decimal digit
+		/// </returns>
+		public bool uniIsDecimalDigit(
+			char	uzChar)
+		{
+			return( xflaim_DbSystem_uniIsDecimalDigit( m_pDbSystem,
+				uzChar) != 0 ? true : false);
+		}
+
+		[DllImport("xflaim")]
+		private static extern int xflaim_DbSystem_uniIsDecimalDigit(
+			ulong				pDbSystem,
+			char				uzChar);
+
+//-----------------------------------------------------------------------------
+// uniToLower
+//-----------------------------------------------------------------------------
+
+		/// <summary>
+		/// Convert a character to lower case
+		/// </summary>
+		/// <param name="uzChar">
+		/// Character to be converted.
+		/// </param>
+		/// <returns>
+		/// Returns the converted character
+		/// </returns>
+		public char uniToLower(
+			char	uzChar)
+		{
+			return( xflaim_DbSystem_uniToLower( m_pDbSystem, uzChar));
+		}
+
+		[DllImport("xflaim")]
+		private static extern char xflaim_DbSystem_uniToLower(
+			ulong				pDbSystem,
+			char				uzChar);
+
+//-----------------------------------------------------------------------------
+// waitToClose
+//-----------------------------------------------------------------------------
+
+		/// <summary>
+		/// Wait for a database to close.  This method will not return until the
+		/// database specified has been closed by all Db ojects that currently have
+		/// it open.
+		/// </summary>
+		/// <param name="sDbFileName">
+		/// The name of the control file of the database to wait
+		/// to close.  For more explanation see documentation for
+		/// <see cref="dbCreate"/>.
+		/// </param>
+		public void waitToClose(
+			string	sDbFileName)
+		{
+			RCODE	rc;
+
+			if ((rc = xflaim_DbSystem_waitToClose( m_pDbSystem, sDbFileName)) != 0)
+			{
+				throw new XFlaimException( rc);
+			}
+		}
+
+		[DllImport("xflaim")]
+		private static extern RCODE xflaim_DbSystem_waitToClose(
+			ulong				pDbSystem,
+			[MarshalAs(UnmanagedType.LPStr), In]
+			string			sDbFileName);
+
+//-----------------------------------------------------------------------------
+// clearCache
+//-----------------------------------------------------------------------------
+
+		/// <summary>
+		/// Free as much cache as possible. NOTE: This method will not be able to
+		/// remove cached blocks and nodes that are currently in use.
+		/// </summary>
+		/// <param name="dbWithUpdateTrans">
+		/// This is a <see cref="Db"/> object that may be used to
+		/// write out dirty cache blocks.  It may be null.  If non-null, it must be
+		/// the <see cref="Db"/> object that is currently running an update
+		/// transaction.
+		/// </param>
+		public void clearCache(
+			Db			dbWithUpdateTrans)
+		{
+			RCODE	rc;
+
+			if ((rc = xflaim_DbSystem_clearCache( m_pDbSystem, dbWithUpdateTrans.getDb())) != 0)
+			{
+				throw new XFlaimException( rc);
+			}
+		}
+
+		[DllImport("xflaim")]
+		private static extern RCODE xflaim_DbSystem_clearCache(
+			ulong				pDbSystem,
+			ulong				pDbWithUpdateTrans);
+
 	}
 }