diff -urp ori-svtools/source/control/tabbar.cxx new-svtools/source/control/tabbar.cxx
--- ori-svtools/source/control/tabbar.cxx	2008-03-19 11:06:42.000000000 +0800
+++ new-svtools/source/control/tabbar.cxx	2008-03-19 11:07:52.000000000 +0800
@@ -825,14 +825,37 @@ void TabBar::MouseButtonDown( const Mous
         return;
     }
 
+	ImplTabBarItem* pItem;
+	USHORT          nSelId = GetPageId( rMEvt.GetPosPixel() );
+
     if ( !rMEvt.IsLeft() )
     {
-        Window::MouseButtonDown( rMEvt );
+        Window::MouseButtonDown( rMEvt );
+		if ( nSelId )
+		{
+			if ( nSelId != mnCurPageId )
+			{
+				USHORT nPos = GetPagePos( nSelId );
+				pItem = mpItemList->GetObject( nPos );
+
+				if ( pItem->mbEnable )
+				{
+					if ( ImplDeactivatePage() )
+					{
+						SetCurPageId( nSelId );
+						Update();
+						ImplActivatePage();
+						ImplSelect();
+					}
+					mbInSelect = TRUE;
+				}
+			}
+		}
 		return;
     }
 
-    ImplTabBarItem* pItem;
-    USHORT          nSelId = GetPageId( rMEvt.GetPosPixel() );
+    /*ImplTabBarItem* pItem;
+    USHORT          nSelId = GetPageId( rMEvt.GetPosPixel() );*/
 
     if ( rMEvt.IsMod2() && mbAutoEditMode && nSelId )
     {