Make it possible to define custom renderers using text controls reacting to error presses in at least wxMSW and wxGTK. Closes https://github.com/wxWidgets/wxWidgets/pull/221
Make it possible to define custom renderers using text controls reacting to error presses in at least wxMSW and wxGTK. Closes https://github.com/wxWidgets/wxWidgets/pull/221