_write_to = new wxRadioButton (this, wxID_ANY, _("Write to"));
w->Add (_write_to, 0, wxALIGN_CENTER_VERTICAL | wxRIGHT, DCPOMATIC_SIZER_GAP);
_write_to = new wxRadioButton (this, wxID_ANY, _("Write to"));
w->Add (_write_to, 0, wxALIGN_CENTER_VERTICAL | wxRIGHT, DCPOMATIC_SIZER_GAP);