// following the mouse movement while it drags the sash, without it we only
// draw the sash at the new position but only resize the windows when the
// dragging is finished
+#if defined( __WXMAC__ ) && TARGET_API_MAC_OSX == 1
+ bool isLive = true ;
+#else
bool isLive = (GetWindowStyleFlag() & wxSP_LIVE_UPDATE) != 0;
-
+#endif
if (event.LeftDown())
{
if ( SashHitTest(x, y) )