\twocolitem{\windowstyle{wxALWAYS\_SHOW\_SB}}{If a window has scrollbars,
disable them instead of hiding them when they are not needed (i.e. when the
size of the window is big enough to not require the scrollbars to navigate it).
-This style is currently only implemented for wxMSW and wxUniversal and does
+This style is currently implemented for wxMSW, wxGTK and wxUniversal and does
nothing on the other platforms.}
\twocolitem{\windowstyle{wxCLIP\_CHILDREN}}{Use this style to eliminate flicker caused by the background being
repainted, then children being painted over them. Windows only.}
Calling this method immediately repaints the invalidated area of the window and
all of its children recursively while this would usually only happen when the
-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
immediately redraw the window unconditionally.