diff --git a/harbour/ChangeLog b/harbour/ChangeLog
index 4873c1eb32..b2f6064baa 100644
--- a/harbour/ChangeLog
+++ b/harbour/ChangeLog
@@ -8,6 +8,13 @@
    2008-12-31 13:59 UTC+0100 Foo Bar (foo.bar foobar.org)
 */
 
+2008-12-16 10:06 UTC+0100 Przemyslaw Czerpak (druzus/at/priv.onet.pl)
+  * harbour/source/vm/classes.c
+    * pacified BCC warning
+
+  + harbour/tests/mt/mttest11.prg
+    + added new test for asynchronous screen updating in MT mode
+
 2008-12-15 08:07 UTC-0800 Pritpal Bedi (pritpal@vouchcac.com)
   * harbour/contrib/gtwvg/wvtwin.ch
     + Added more constants.
diff --git a/harbour/source/vm/classes.c b/harbour/source/vm/classes.c
index d876f35dac..a81b5c8e18 100644
--- a/harbour/source/vm/classes.c
+++ b/harbour/source/vm/classes.c
@@ -1381,7 +1381,7 @@ const char * hb_clsFuncName( USHORT uiClass )
 const char * hb_clsMethodName( USHORT uiClass, USHORT uiMethod )
 {
    if( uiClass && uiClass <= s_uiClasses &&
-       uiMethod < hb_clsMthNum( s_pClasses[ uiClass ] ) )
+       ( UINT ) uiMethod < ( UINT ) hb_clsMthNum( s_pClasses[ uiClass ] ) )
    {
       PMETHOD pMethod = s_pClasses[ uiClass ]->pMethods + uiMethod;
       if( pMethod->pMessage )
diff --git a/harbour/tests/mt/mttest11.prg b/harbour/tests/mt/mttest11.prg
new file mode 100644
index 0000000000..3ea63cd71b
--- /dev/null
+++ b/harbour/tests/mt/mttest11.prg
@@ -0,0 +1,51 @@
+/*
+ * $Id$
+ */
+
+/*
+ * Harbour Project source code:
+ *    demonstration/test code for asynchronous screen updating without
+ *    breaking foreground screen operations.
+ *
+ * Copyright 2008 Przemyslaw Czerpak <druzus / at / priv.onet.pl>
+ * www - http://www.harbour-project.org
+ *
+ */
+
+proc main()
+   local getList := {}
+   local cVar := space( 20 )
+
+   CLEAR SCREEN
+
+   if ! hb_mtvm()
+      ? "No MT support in HVM. Clock will not be shown."
+      WAIT
+   else
+      hb_threadStart( @thFunc() )
+   endif
+
+   @ 10, 10 SAY "Insert cVar:" GET cVar
+   READ
+   SetPos( 12, 0 )
+   ? "Result -> [" + cVar + "]"
+   WAIT
+
+return
+
+func thFunc()
+   local cTime
+   while .T.
+      cTime := dtoc( date() ) + " " + time()
+      /* use hb_dispOutAt() which does not change current default
+       * color and cursor position so can be executed without bad
+       * side effects for other threads which updates screen.
+       * This functions also accepts colors as numeric values.
+       * Similar functionality have hb_dispBox() and hb_scroll().
+       * All these functions changes only screen buffer but do not
+       * touch cursor position and current color settings.
+       */
+      hb_dispOutAt( 0, maxcol() - len( cTime ) + 1, cTime, "GR+/N" )
+      hb_idleSleep( 1 )
+   enddo
+return nil