- m_targetWindow->Refresh(TRUE, GetRect());
-
- // TODO: check if we can use AdjustScrollbars always.
-#ifdef __WXUNIVERSAL__
- AdjustScrollbars();
-#else
- // This is also done by AdjustScrollbars, above
-#ifdef __WXMAC__
- m_targetWindow->MacUpdateImmediately() ;
-#endif
-#endif
+ m_targetWindow->Refresh(true, GetScrollRect());
+
+#ifndef __WXUNIVERSAL__
+ // If the target is not the same as the window with the scrollbars,
+ // then we need to update the scrollbars here, since they won't have
+ // been updated by SetVirtualSize().
+ if ( m_targetWindow != m_win )
+#endif // !__WXUNIVERSAL__
+ {
+ AdjustScrollbars();
+ }
+#ifndef __WXUNIVERSAL__
+ else
+ {
+ // otherwise this has been done by AdjustScrollbars, above
+ }
+#endif // !__WXUNIVERSAL__