-flow of control returns to the event loop. Notice that this function doesn't
-refresh the window and does nothing if the window hadn't been already
-repainted. Use \helpref{Refresh}{wxwindowrefresh} first if you want to
+flow of control returns to the event loop.
+Notice that this function doesn't invalidate any area of the window so
+nothing happens if nothing has been invalidated (i.e. marked as requiring
+a redraw). Use \helpref{Refresh}{wxwindowrefresh} first if you want to