diff --git a/include/nana/gui/widgets/detail/tree_cont.hpp b/include/nana/gui/widgets/detail/tree_cont.hpp
index 3acbc6fa..2490ab95 100644
--- a/include/nana/gui/widgets/detail/tree_cont.hpp
+++ b/include/nana/gui/widgets/detail/tree_cont.hpp
@@ -1,12 +1,12 @@
-/**
+/*
  *	A Tree Container class implementation
  *	Copyright(C) 2003-2017 Jinhao(cnjinhao@hotmail.com)
  *
  *	Distributed under the Boost Software License, Version 1.0.
- *	(See accompanying file LICENSE or copy at
+ *	(See accompanying file LICENSE_1_0.txt or copy at
  *	http://www.boost.org/LICENSE_1_0.txt)
  *
- *	@file nana/gui/widgets/detail/tree_cont.hpp
+ *	@file: nana/gui/widgets/detail/tree_cont.hpp
  */
 
 #ifndef NANA_GUI_WIDGETS_DETAIL_TREE_CONT_HPP
diff --git a/source/gui/widgets/listbox.cpp b/source/gui/widgets/listbox.cpp
index 385b5140..e473a080 100644
--- a/source/gui/widgets/listbox.cpp
+++ b/source/gui/widgets/listbox.cpp
@@ -3931,6 +3931,11 @@ namespace nana
 					essence_->content_view.reset(new widgets::skeletons::content_view{ widget.handle() });
 					essence_->resize_disp_area();
 
+					//Set the content_view wheel speed with the listbox scheme.
+					essence_->content_view->set_wheel_speed([this] {
+						return essence_->scheme_ptr->mouse_wheel.lines;
+					});
+
 					essence_->content_view->events().hover_outside = [this](const point& cur_pos) {
 						essence_->update_mouse_selection(cur_pos);
 					};
diff --git a/source/gui/widgets/treebox.cpp b/source/gui/widgets/treebox.cpp
index 17696e53..88468861 100644
--- a/source/gui/widgets/treebox.cpp
+++ b/source/gui/widgets/treebox.cpp
@@ -1,15 +1,13 @@
-/**
+/*
  *	A Treebox Implementation
  *	Nana C++ Library(http://www.nanapro.org)
  *	Copyright(C) 2003-2017 Jinhao(cnjinhao@hotmail.com)
  *
  *	Distributed under the Boost Software License, Version 1.0.
- *	(See accompanying file LICENSE or copy at
+ *	(See accompanying file LICENSE_1_0.txt or copy at
  *	http://www.boost.org/LICENSE_1_0.txt)
  *
- *	@file nana/gui/widgets/treebox.cpp
- *	@brief
- *
+ *	@file: nana/gui/widgets/treebox.cpp
  */
 #include <nana/gui/widgets/treebox.hpp>
 #include <nana/gui/widgets/scroll.hpp>