Index: System.Data.SQLite/SQLite3.cs
==================================================================
--- System.Data.SQLite/SQLite3.cs
+++ System.Data.SQLite/SQLite3.cs
@@ -128,13 +128,14 @@
         {
             _sql = new SQLiteConnectionHandle(db, ownHandle);
             _fileName = fileName;
 
             SQLiteConnection.OnChanged(null, new ConnectionEventArgs(
-                SQLiteConnectionEventType.NewCriticalHandle, null, null,
-                null, null, _sql, fileName, new object[] { fmt, kind,
-                fmtString, db, fileName, ownHandle }));
+                SQLiteConnectionEventType.NewCriticalHandle, null,
+                null, null, null, _sql, fileName, new object[] {
+                typeof(SQLite3), fmt, kind, fmtString, db, fileName,
+                ownHandle }));
         }
     }
 
     ///////////////////////////////////////////////////////////////////////////////////////////////
 
@@ -242,10 +243,15 @@
                   DisposeModules();
 #endif
 
                   SQLiteConnectionPool.Add(_fileName, _sql, _poolVersion);
 
+                  SQLiteConnection.OnChanged(null, new ConnectionEventArgs(
+                      SQLiteConnectionEventType.ClosedToPool, null, null,
+                      null, null, _sql, _fileName, new object[] {
+                      typeof(SQLite3), canThrow, _fileName, _poolVersion }));
+
 #if !NET_COMPACT_20 && TRACE_CONNECTION
                   Trace.WriteLine(String.Format("Close (Pool) Success: {0}", _sql));
 #endif
               }
 #if !NET_COMPACT_20 && TRACE_CONNECTION
@@ -756,10 +762,16 @@
 
       if (usePool)
       {
         _sql = SQLiteConnectionPool.Remove(strFilename, maxPoolSize, out _poolVersion);
 
+        SQLiteConnection.OnChanged(null, new ConnectionEventArgs(
+            SQLiteConnectionEventType.OpenedFromPool, null, null,
+            null, null, _sql, strFilename, new object[] {
+            typeof(SQLite3), strFilename, vfsName, connectionFlags,
+            openFlags, maxPoolSize, usePool }));
+
 #if !NET_COMPACT_20 && TRACE_CONNECTION
         Trace.WriteLine(String.Format("Open (Pool): {0}", (_sql != null) ? _sql.ToString() : "<null>"));
 #endif
       }
 
@@ -795,13 +807,14 @@
           _sql = new SQLiteConnectionHandle(db, true);
         }
         lock (_sql) { /* HACK: Force the SyncBlock to be "created" now. */ }
 
         SQLiteConnection.OnChanged(null, new ConnectionEventArgs(
-            SQLiteConnectionEventType.NewCriticalHandle, null, null,
-            null, null, _sql, strFilename, new object[] { strFilename,
-            vfsName, connectionFlags, openFlags, maxPoolSize, usePool }));
+            SQLiteConnectionEventType.NewCriticalHandle, null,
+            null, null, null, _sql, strFilename, new object[] {
+            typeof(SQLite3), strFilename, vfsName, connectionFlags,
+            openFlags, maxPoolSize, usePool }));
       }
 
       // Bind functions to this connection.  If any previous functions of the same name
       // were already bound, then the new bindings replace the old.
       if ((connectionFlags & SQLiteConnectionFlags.NoBindFunctions) != SQLiteConnectionFlags.NoBindFunctions)
@@ -1186,12 +1199,12 @@
 
           if (statementHandle != null)
           {
             SQLiteConnection.OnChanged(null, new ConnectionEventArgs(
               SQLiteConnectionEventType.NewCriticalHandle, null, null,
-              null, null, statementHandle, strSql, new object[] { cnn,
-              strSql, previous, timeoutMS }));
+              null, null, statementHandle, strSql, new object[] {
+              typeof(SQLite3), cnn, strSql, previous, timeoutMS }));
           }
 
           if (ShouldThrowForCancel())
           {
               if ((n == SQLiteErrorCode.Ok) ||
@@ -2616,13 +2629,13 @@
 
             backupHandle = new SQLiteBackupHandle(destHandle, backup);
         }
 
         SQLiteConnection.OnChanged(null, new ConnectionEventArgs(
-            SQLiteConnectionEventType.NewCriticalHandle, null, null,
-            null, null, backupHandle, null, new object[] { destCnn,
-            destName, sourceName }));
+            SQLiteConnectionEventType.NewCriticalHandle, null,
+            null, null, null, backupHandle, null, new object[] {
+            typeof(SQLite3), destCnn, destName, sourceName }));
 
         return new SQLiteBackup(
             this, backupHandle, destHandle, zDestName, sourceHandle,
             zSourceName);
     }

Index: System.Data.SQLite/SQLite3_UTF16.cs
==================================================================
--- System.Data.SQLite/SQLite3_UTF16.cs
+++ System.Data.SQLite/SQLite3_UTF16.cs
@@ -150,10 +150,16 @@
 
       if (usePool)
       {
         _sql = SQLiteConnectionPool.Remove(strFilename, maxPoolSize, out _poolVersion);
 
+        SQLiteConnection.OnChanged(null, new ConnectionEventArgs(
+            SQLiteConnectionEventType.OpenedFromPool, null, null,
+            null, null, _sql, strFilename, new object[] {
+            typeof(SQLite3_UTF16), strFilename, vfsName,
+            connectionFlags, openFlags, maxPoolSize, usePool }));
+
 #if !NET_COMPACT_20 && TRACE_CONNECTION
         Trace.WriteLine(String.Format("Open16 (Pool): {0}", (_sql != null) ? _sql.ToString() : "<null>"));
 #endif
       }
 
@@ -204,13 +210,14 @@
           _sql = new SQLiteConnectionHandle(db, true);
         }
         lock (_sql) { /* HACK: Force the SyncBlock to be "created" now. */ }
 
         SQLiteConnection.OnChanged(null, new ConnectionEventArgs(
-            SQLiteConnectionEventType.NewCriticalHandle, null, null,
-            null, null, _sql, strFilename, new object[] { strFilename,
-            vfsName, connectionFlags, openFlags, maxPoolSize, usePool }));
+            SQLiteConnectionEventType.NewCriticalHandle, null,
+            null, null, null, _sql, strFilename, new object[] {
+            typeof(SQLite3_UTF16), strFilename, vfsName,
+            connectionFlags, openFlags, maxPoolSize, usePool }));
       }
 
       // Bind functions to this connection.  If any previous functions of the same name
       // were already bound, then the new bindings replace the old.
       if ((connectionFlags & SQLiteConnectionFlags.NoBindFunctions) != SQLiteConnectionFlags.NoBindFunctions)

Index: System.Data.SQLite/SQLiteConnection.cs
==================================================================
--- System.Data.SQLite/SQLiteConnection.cs
+++ System.Data.SQLite/SQLiteConnection.cs
@@ -968,12 +968,13 @@
         }
 
         if (result != null)
         {
             SQLiteConnection.OnChanged(null, new ConnectionEventArgs(
-                SQLiteConnectionEventType.NewCriticalHandle, null, null,
-                null, null, result, null, new object[] { nativeHandle }));
+                SQLiteConnectionEventType.NewCriticalHandle, null,
+                null, null, null, result, null, new object[] {
+                typeof(SQLiteConnection), nativeHandle }));
         }
 
         return result;
     }
 

Index: System.Data.SQLite/SQLiteConvert.cs
==================================================================
--- System.Data.SQLite/SQLiteConvert.cs
+++ System.Data.SQLite/SQLiteConvert.cs
@@ -2210,11 +2210,21 @@
       DisposingDataReader = 13,
 
       /// <summary>
       /// A data reader is being closed.
       /// </summary>
-      ClosingDataReader = 14
+      ClosingDataReader = 14,
+
+      /// <summary>
+      /// A native resource was opened (i.e. obtained) from the pool.
+      /// </summary>
+      OpenedFromPool = 15,
+
+      /// <summary>
+      /// A native resource was closed (i.e. released) to the pool.
+      /// </summary>
+      ClosedToPool = 16
   }
 
   /// <summary>
   /// This implementation of SQLite for ADO.NET can process date/time fields in
   /// databases in one of six formats.