cellrenderer_value->signal_edited().connect(sigc::mem_fun(*this, &studio::LayerTree::on_edited_value));
cellrenderer_value->property_value()=synfig::ValueBase();
column->add_attribute(cellrenderer_value->property_param_desc(), param_model.param_desc);
+ column->add_attribute(cellrenderer_value->property_child_param_desc(), param_model.child_param_desc);
column->add_attribute(cellrenderer_value->property_inconsistent(),param_model.is_inconsistent);
//cellrenderer_value->property_canvas()=canvas_interface->get_canvas(); // Is this line necessary?
cellrenderer_value->property_attributes()=attr_list;