beremiz

Fix black background in preview window

2018-09-25, Andrey Skvortsov
4ec6d6cd23ca
Fix black background in preview window

Problem found and fixed on GNU/Linux
wxWidgets 3.0 built with GTK3+ support and running on Xorg.
<?xml version="1.0" encoding="UTF-8"?>
<BaseParams Name="py_ext_0" IEC_Channel="0"/>