relationship between the various grid classes and has a summary of the
keyboard shortcuts and mouse functions provided by wxGrid.
-wxGrid has been greatly expanded and redesigned for wxWindows 2.2
+wxGrid has been greatly expanded and redesigned for wxWidgets 2.2
onwards. If you have been using the old wxGrid class you will probably
want to have a look at the \helpref{wxGrid classes overview}{gridoverview} to see
how things have changed. The new grid classes are reasonably backward-compatible