wxWindow::m\_font and m\_backgroundColour/m\_foregroundColour are no longer always set, use \helpref{GetFont()}{wxwindowgetfont}, \helpref{GetBack}{wxwindowgetbackgroundcolour}/\helpref{ForegroundColour()}{wxwindowgetforegroundcolour} to access them, and they will be dynamically determined if necessary.
wxWindow::m\_font and m\_backgroundColour/m\_foregroundColour are no longer always set, use \helpref{GetFont()}{wxwindowgetfont}, \helpref{GetBack}{wxwindowgetbackgroundcolour}/\helpref{ForegroundColour()}{wxwindowgetforegroundcolour} to access them, and they will be dynamically determined if necessary.