diff --git a/include/nana/gui/detail/drawer.hpp b/include/nana/gui/detail/drawer.hpp
index e313c172..472f822e 100644
--- a/include/nana/gui/detail/drawer.hpp
+++ b/include/nana/gui/detail/drawer.hpp
@@ -126,36 +126,36 @@ namespace nana
 			void* draw(std::function<void(paint::graphics&)> &&, bool diehard);
 			void erase(void* diehard);
 		private:
-			void _m_bground_pre();
-			void _m_bground_end();
-			void _m_draw_dynamic_drawing_object();
+			void _m_effect_bground(bool before);
 			bool _m_lazy_decleared() const;
+			method_state& _m_mth_state(int pos);
 
 			template<typename Arg, typename Mfptr>
 			void _m_emit(event_code evt_code, const Arg& arg, Mfptr mfptr)
 			{
 				const int pos = static_cast<int>(evt_code);
-				if (data_impl_->realizer && (method_state::not_overrided != data_impl_->mth_state[pos]))
-				{
-					_m_bground_pre();
 
-					if (method_state::pending == data_impl_->mth_state[pos])
+				auto realizer = this->realizer();
+				auto & mth_state = _m_mth_state(pos);
+
+				if (realizer && (method_state::not_overrided != mth_state))
+				{
+					_m_effect_bground(true);
+
+					if (method_state::pending == mth_state)
 					{
-						(data_impl_->realizer->*mfptr)(graphics, arg);
+						(realizer->*mfptr)(graphics, arg);
 						
 						//Check realizer, when the window is closed in that event handler, the drawer will be
 						//detached and realizer will be a nullptr
-						if (data_impl_->realizer)
-							data_impl_->mth_state[pos] = (data_impl_->realizer->_m_overrided(evt_code) ? method_state::overrided : method_state::not_overrided);
+						if (realizer)
+							mth_state = (realizer->_m_overrided(evt_code) ? method_state::overrided : method_state::not_overrided);
 					}
 					else
-						(data_impl_->realizer->*mfptr)(graphics, arg);
+						(realizer->*mfptr)(graphics, arg);
 
 					if (_m_lazy_decleared())
-					{
-						_m_draw_dynamic_drawing_object();
-						_m_bground_end();
-					}
+						_m_effect_bground(false);
 				}
 			}
 		public:
diff --git a/source/gui/detail/drawer.cpp b/source/gui/detail/drawer.cpp
index e741692b..fdf569aa 100644
--- a/source/gui/detail/drawer.cpp
+++ b/source/gui/detail/drawer.cpp
@@ -1,7 +1,7 @@
 /*
  *	A Drawer Implementation
  *	Nana C++ Library(http://www.nanapro.org)
- *	Copyright(C) 2003-2014 Jinhao(cnjinhao@hotmail.com)
+ *	Copyright(C) 2003-2016 Jinhao(cnjinhao@hotmail.com)
  *
  *	Distributed under the Boost Software License, Version 1.0.
  *	(See accompanying file LICENSE_1_0.txt or copy at
@@ -297,10 +297,9 @@ namespace nana
 			if (data_impl_->realizer && !data_impl_->refreshing)
 			{
 				data_impl_->refreshing = true;
-				_m_bground_pre();
+				_m_effect_bground(true);
 				data_impl_->realizer->refresh(graphics);
-				_m_draw_dynamic_drawing_object();
-				_m_bground_end();
+				_m_effect_bground(false);
 				graphics.flush();
 				data_impl_->refreshing = false;
 			}
@@ -372,27 +371,32 @@ namespace nana
 			}
 		}
 
-		void drawer::_m_bground_pre()
-		{
-			if (data_impl_->window_handle->effect.bground && data_impl_->window_handle->effect.bground_fade_rate < 0.01)
-				data_impl_->window_handle->other.glass_buffer.paste(graphics, 0, 0);
-		}
-
-		void drawer::_m_bground_end()
-		{
-			if (data_impl_->window_handle->effect.bground && data_impl_->window_handle->effect.bground_fade_rate >= 0.01)
-				data_impl_->window_handle->other.glass_buffer.blend(::nana::rectangle{ data_impl_->window_handle->other.glass_buffer.size() }, graphics, nana::point(), data_impl_->window_handle->effect.bground_fade_rate);
-		}
-
-		void drawer::_m_draw_dynamic_drawing_object()
+		void drawer::_m_effect_bground(bool before)
 		{
 			for (auto * dw : data_impl_->draws)
 				dw->draw(graphics);
+
+			auto & effect = data_impl_->window_handle->effect;
+			if (effect.bground)
+			{
+				if (before)
+				{
+					if (effect.bground_fade_rate < 0.01)
+						data_impl_->window_handle->other.glass_buffer.paste(graphics, 0, 0);
+				}
+				else if (effect.bground_fade_rate >= 0.01)
+					data_impl_->window_handle->other.glass_buffer.blend(::nana::rectangle{ data_impl_->window_handle->other.glass_buffer.size() }, graphics, nana::point(), effect.bground_fade_rate);
+			}
 		}
 
 		bool drawer::_m_lazy_decleared() const
 		{
 			return (basic_window::update_state::refresh == data_impl_->window_handle->other.upd_state);
 		}
+
+		drawer::method_state& drawer::_m_mth_state(int pos)
+		{
+			return data_impl_->mth_state[pos];
+		}
 	}//end namespace detail
 }//end namespace nana