don't crash when setting tooltip for a picker without text control

[wxWidgets.git] / docs / latex / wx / pen.tex

diff --git a/docs/latex/wx/pen.tex b/docs/latex/wx/pen.tex
index dbed617a1c8fc2f94413a27cbc12b9ce4639b6d9..6f3176292f3aa823afd92ac5dc0a16758e697613 100644 (file)
--- a/docs/latex/wx/pen.tex
+++ b/docs/latex/wx/pen.tex
@@ -59,10 +59,11 @@ get a pointer to a pen by using the global list of pens {\bf
 wxThePenList}, and calling the member function {\bf FindOrCreatePen}.
 See the entry for \helpref{wxPenList}{wxpenlist}.
 
-wxPen uses a reference counting system, so assignments between pens are very
-cheap. You can therefore use actual wxPen objects instead of pointers without
-efficiency problems. Once one wxPen object changes its data it will create its
-own pen data internally so that other pens, which previously shared the
+This class uses \helpref{reference counting and copy-on-write}{trefcount}
+internally so that assignments between two instances of this class are very
+cheap. You can therefore use actual objects instead of pointers without
+efficiency problems. If an instance of this class is changed it will create
+its own data internally so that other instances, which previously shared the
 data using the reference counting, are not affected.
 
 %TODO: an overview for wxPen.