_reel_type->Bind (wxEVT_CHOICE, boost::bind (&DCPPanel::reel_type_changed, this));
_reel_length->Bind (wxEVT_SPINCTRL, boost::bind (&DCPPanel::reel_length_changed, this));
_standard->Bind (wxEVT_CHOICE, boost::bind (&DCPPanel::standard_changed, this));
_reel_type->Bind (wxEVT_CHOICE, boost::bind (&DCPPanel::reel_type_changed, this));
_reel_length->Bind (wxEVT_SPINCTRL, boost::bind (&DCPPanel::reel_length_changed, this));
_standard->Bind (wxEVT_CHOICE, boost::bind (&DCPPanel::standard_changed, this));