SetBackgroundColour( wxSystemSettings::GetSystemColour( wxSYS_COLOUR_LISTBOX ) );
// m_dottedPen = wxPen( "grey", 0, wxDOT ); too slow under XFree86
SetBackgroundColour( wxSystemSettings::GetSystemColour( wxSYS_COLOUR_LISTBOX ) );
// m_dottedPen = wxPen( "grey", 0, wxDOT ); too slow under XFree86