diff --git a/Sources/libewol/ewol/EObject.cpp b/Sources/libewol/ewol/EObject.cpp
index b6d827f0..70ce7666 100644
--- a/Sources/libewol/ewol/EObject.cpp
+++ b/Sources/libewol/ewol/EObject.cpp
@@ -26,6 +26,99 @@
 #include <ewol/EObjectManager.h>
 #include <ewol/Debug.h>
 
+
+#undef __class__
+#define __class__	"ewol::EObjectMessageMultiCast"
+
+extern "C" {
+	typedef struct {
+		const char*    message;
+		ewol::EObject* object;
+	} messageList_ts;
+};
+
+
+// internal element of the widget manager : 
+static etk::VectorType<messageList_ts>   m_messageList;   // all widget allocated ==> all time increment ... never removed ...
+
+
+void ewol::EObjectMessageMultiCast::Init(void)
+{
+	EWOL_INFO("EObject message Multi-Cast");
+	m_messageList.Clear();
+}
+
+
+void ewol::EObjectMessageMultiCast::UnInit(void)
+{
+	EWOL_INFO("EObject message Multi-Cast");
+	m_messageList.Clear();
+}
+
+
+static void MultiCastAdd(ewol::EObject* object, const char* const message)
+{
+	if (NULL == object) {
+		EWOL_ERROR("Add with NULL object");
+		return;
+	}
+	if (NULL == message) {
+		EWOL_ERROR("Add with NULL Message");
+		return;
+	}
+	messageList_ts tmpMessage;
+	tmpMessage.object = object;
+	tmpMessage.message = message;
+	m_messageList.PushBack(tmpMessage);
+	EWOL_DEBUG("SendMulticast ADD listener :" << object->GetId() << " on \"" << message << "\"" );
+}
+
+
+static void MultiCastRm(ewol::EObject* object)
+{
+	if (NULL == object) {
+		EWOL_ERROR("Rm with NULL object");
+		return;
+	}
+	// send the message at all registered widget ...
+	for (int32_t iii=m_messageList.Size(); iii>=0; iii--) {
+		if(m_messageList[iii].object == object) {
+			EWOL_DEBUG("SendMulticast RM listener :" << object->GetId());
+			m_messageList[iii].message = NULL;
+			m_messageList[iii].object = NULL;
+			m_messageList.Erase(iii);
+		}
+	}
+}
+
+static void MultiCastSend(ewol::EObject* object, const char* const message, etk::UString& data)
+{
+	EWOL_DEBUG("SendMulticast message \"" << message << "\" data=\"" << data << "\" to :");
+	
+	// send the message at all registered widget ...
+	for (int32_t iii=0; iii<m_messageList.Size(); iii++) {
+		if(    m_messageList[iii].message == message
+		    && m_messageList[iii].object != object)
+		{
+			if (NULL != m_messageList[iii].object) {
+				EWOL_DEBUG("        id = " << m_messageList[iii].object->GetId());
+				// generate event ...
+				m_messageList[iii].object->OnReceiveMessage(object, m_messageList[iii].message, data);
+			}
+		}
+	}
+}
+
+void ewol::EObjectMessageMultiCast::AnonymousSend(const char* const messageId, etk::UString& data)
+{
+	MultiCastSend(NULL, messageId, data);
+}
+
+#undef __class__
+#define __class__	"ewol::EObject"
+
+
+
 /**
  * @brief Constructor
  */
@@ -44,6 +137,7 @@ ewol::EObject::EObject(void)
 ewol::EObject::~EObject(void)
 {
 	ewol::EObjectManager::Rm(this);
+	MultiCastRm(this);
 	EWOL_DEBUG("delete EObject : [" << m_uniqueId << "]");
 	for (int32_t iii=0; iii<m_externEvent.Size(); iii++) {
 		if (NULL!=m_externEvent[iii]) {
@@ -101,6 +195,38 @@ void ewol::EObject::GenerateEventId(const char * generateEventId)
 	}
 }
 
+/**
+ * @brief Generate Multicast event on all EObject requested the event
+ * @param[in] messageId Event Id that is generated
+ * @param[in] data Interger which is transform in etk::UString
+ * @return ---
+ */
+void ewol::EObject::SendMultiCast(const char* const messageId, int32_t data)
+{
+	etk::UString tmpData(data);
+	MultiCastSend(this, messageId, tmpData);
+}
+
+/**
+ * @brief Generate Multicast event on all EObject requested the event
+ * @param[in] messageId Event Id that is generated
+ * @param[in] data String that is send at all the destinations
+ * @return ---
+ */
+void ewol::EObject::SendMultiCast(const char* const messageId, etk::UString& data)
+{
+	MultiCastSend(this, messageId, data);
+}
+
+/**
+ * @brief Register of the arrival of a Multicast message
+ * @param[in] messageId Event Id waiting for...
+ * @return ---
+ */
+void ewol::EObject::RegisterMultiCast(const char* const messageId)
+{
+	MultiCastAdd(this, messageId);
+}
 
 /**
  * @brief Register an EObject over an other to get event on the second...
diff --git a/Sources/libewol/ewol/EObject.h b/Sources/libewol/ewol/EObject.h
index 54c1effe..a872bedd 100644
--- a/Sources/libewol/ewol/EObject.h
+++ b/Sources/libewol/ewol/EObject.h
@@ -30,6 +30,12 @@
 #include <etk/VectorType.h>
 
 namespace ewol {
+	namespace EObjectMessageMultiCast {
+		void Init(  void);
+		void UnInit(void);
+		void AnonymousSend(const char* const messageId, etk::UString& data);
+	};
+	
 	
 	class EObject;
 	/**
@@ -86,6 +92,29 @@ namespace ewol {
 			 * @return ---
 			 */
 			void GenerateEventId(const char * generateEventId);
+			
+			/**
+			 * @brief Generate Multicast event on all EObject requested the event
+			 * @param[in] messageId Event Id that is generated
+			 * @param[in] data Interger which is transform in etk::UString
+			 * @return ---
+			 */
+			void SendMultiCast(const char* const messageId, int32_t data);
+			
+			/**
+			 * @brief Generate Multicast event on all EObject requested the event
+			 * @param[in] messageId Event Id that is generated
+			 * @param[in] data String that is send at all the destinations
+			 * @return ---
+			 */
+			void SendMultiCast(const char* const messageId, etk::UString& data);
+			
+			/**
+			 * @brief Register of the arrival of a Multicast message
+			 * @param[in] messageId Event Id waiting for...
+			 * @return ---
+			 */
+			void RegisterMultiCast(const char* const messageId);
 		public:
 			/**
 			 * @brief Register an EObject over an other to get event on the second...
diff --git a/Sources/libewol/ewol/EObjectMessageMulticast.cpp b/Sources/libewol/ewol/EObjectMessageMulticast.cpp
deleted file mode 100644
index 31991bda..00000000
--- a/Sources/libewol/ewol/EObjectMessageMulticast.cpp
+++ /dev/null
@@ -1,116 +0,0 @@
-/**
- *******************************************************************************
- * @file ewol/WidgetMessageMultiCast.cpp
- * @brief basic ewol Widget Message Multi-cast (Sources)
- * @author Edouard DUPIN
- * @date 31/01/2012
- * @par Project
- * ewol
- *
- * @par Copyright
- * Copyright 2011 Edouard DUPIN, all right reserved
- *
- * This software is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY.
- *
- * Licence summary : 
- *    You can modify and redistribute the sources code and binaries.
- *    You can send me the bug-fix
- *
- * Term of the licence in in the file licence.txt.
- *
- *******************************************************************************
- */
-
-#include <ewol/EObjectMessageMulticast.h>
-#include <ewol/EObjectManager.h>
-
-#undef __class__
-#define __class__	"ewol::EObjectMessageMultiCast"
-
-extern "C" {
-	typedef struct {
-		const char*    message;
-		ewol::EObject* object;
-	} messageList_ts;
-};
-
-
-// internal element of the widget manager : 
-static etk::VectorType<messageList_ts>   m_messageList;   // all widget allocated ==> all time increment ... never removed ...
-
-
-void ewol::EObjectMessageMultiCast::Init(void)
-{
-	EWOL_INFO("EObject message Multi-Cast");
-}
-
-
-void ewol::EObjectMessageMultiCast::UnInit(void)
-{
-	EWOL_INFO("EObject message Multi-Cast");
-	m_messageList.Clear();
-}
-
-
-void ewol::EObjectMessageMultiCast::Add(ewol::EObject* object, const char* const message)
-{
-	if (NULL == object) {
-		EWOL_ERROR("Add with NULL object");
-		return;
-	}
-	if (NULL == message) {
-		EWOL_ERROR("Add with NULL Message");
-		return;
-	}
-	messageList_ts tmpMessage;
-	tmpMessage.object = object;
-	tmpMessage.message = message;
-	m_messageList.PushBack(tmpMessage);
-	EWOL_DEBUG("SendMulticast ADD listener :" << object->GetId() << " on \"" << message << "\"" );
-}
-
-
-void ewol::EObjectMessageMultiCast::Rm(ewol::EObject* object)
-{
-	if (NULL == object) {
-		EWOL_ERROR("Rm with NULL object");
-		return;
-	}
-	// send the message at all registered widget ...
-	for (int32_t iii=m_messageList.Size(); iii>=0; iii--) {
-		if(m_messageList[iii].object == object) {
-			EWOL_DEBUG("SendMulticast RM listener :" << object->GetId());
-			m_messageList[iii].message = NULL;
-			m_messageList[iii].object = NULL;
-			m_messageList.Erase(iii);
-		}
-	}
-}
-
-void ewol::EObjectMessageMultiCast::Send(ewol::EObject* object, const char* const message, int32_t data)
-{
-	etk::UString tmpData(data);
-	Send(object, message, tmpData);
-}
-
-
-
-void ewol::EObjectMessageMultiCast::Send(ewol::EObject* object, const char* const message, etk::UString& data)
-{
-	EWOL_DEBUG("SendMulticast message \"" << message << "\" data=\"" << data << "\" to :");
-	
-	// send the message at all registered widget ...
-	for (int32_t iii=0; iii<m_messageList.Size(); iii++) {
-		if(    m_messageList[iii].message == message
-		    && m_messageList[iii].object != object)
-		{
-			if (NULL != m_messageList[iii].object) {
-				EWOL_DEBUG("        id = " << m_messageList[iii].object->GetId());
-				// generate event ...
-				m_messageList[iii].object->OnReceiveMessage(object, m_messageList[iii].message, data);
-			}
-		}
-	}
-}
-
diff --git a/Sources/libewol/ewol/EObjectMessageMulticast.h b/Sources/libewol/ewol/EObjectMessageMulticast.h
deleted file mode 100644
index a2322d36..00000000
--- a/Sources/libewol/ewol/EObjectMessageMulticast.h
+++ /dev/null
@@ -1,47 +0,0 @@
-/**
- *******************************************************************************
- * @file ewol/WidgetMessageMultiCast.h
- * @brief basic ewol Widget Message Multi-cast (Header)
- * @author Edouard DUPIN
- * @date 31/01/2012
- * @par Project
- * ewol
- *
- * @par Copyright
- * Copyright 2011 Edouard DUPIN, all right reserved
- *
- * This software is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY.
- *
- * Licence summary :
- *    You can modify and redistribute the sources code and binaries.
- *    You can send me the bug-fix
- *
- * Term of the licence in in the file licence.txt.
- *
- *******************************************************************************
- */
-
-#ifndef __EWOL_E_OBJECT_MESSAGE_MULTIICAST_H__
-#define __EWOL_E_OBJECT_MESSAGE_MULTIICAST_H__
-
-#include <etk/Types.h>
-#include <ewol/Debug.h>
-#include <ewol/OObject.h>
-#include <etk/VectorType.h>
-#include <ewol/EObject.h>
-#include <etk/UString.h>
-
-namespace ewol {
-	namespace EObjectMessageMultiCast {
-			void Init(  void);
-			void UnInit(void);
-			void Add( ewol::EObject* object, const char* const message);
-			void Rm(  ewol::EObject* object);
-			void Send(ewol::EObject* object, const char* const message, int32_t data);
-			void Send(ewol::EObject* object, const char* const message, etk::UString& data);
-	};
-};
-
-#endif
-
diff --git a/Sources/libewol/ewol/ShortCutManager.cpp b/Sources/libewol/ewol/ShortCutManager.cpp
index c743b57f..a0ec7753 100644
--- a/Sources/libewol/ewol/ShortCutManager.cpp
+++ b/Sources/libewol/ewol/ShortCutManager.cpp
@@ -24,7 +24,7 @@
 
 
 #include <ewol/ShortCutManager.h>
-#include <ewol/EObjectMessageMulticast.h>
+#include <ewol/EObject.h>
 #include <ewol/ewol.h>
 
 
@@ -137,7 +137,7 @@ bool ewol::shortCut::Process(bool shift, bool control, bool alt, bool meta, uniC
 		    && l_inputShortCutEvent[iii]->UnicodeValue == unicodeValue)
 		{
 			if (isDown) {
-				ewol::EObjectMessageMultiCast::Send(NULL, l_inputShortCutEvent[iii]->generateEventId, l_inputShortCutEvent[iii]->eventData);
+				ewol::EObjectMessageMultiCast::AnonymousSend(l_inputShortCutEvent[iii]->generateEventId, l_inputShortCutEvent[iii]->eventData);
 			} // no else
 			return true;
 		}
diff --git a/Sources/libewol/ewol/Widget.cpp b/Sources/libewol/ewol/Widget.cpp
index 4ef175cc..8c7f89ec 100644
--- a/Sources/libewol/ewol/Widget.cpp
+++ b/Sources/libewol/ewol/Widget.cpp
@@ -25,7 +25,6 @@
 #include <ewol/Widget.h>
 #include <ewol/EObjectManager.h>
 #include <ewol/WidgetManager.h>
-#include <ewol/EObjectMessageMulticast.h>
 #include <ewol/ewol.h>
 #include <ewol/importgl.h>
 
diff --git a/Sources/libewol/ewol/Windows.cpp b/Sources/libewol/ewol/Windows.cpp
index af85bf95..ebc200fe 100644
--- a/Sources/libewol/ewol/Windows.cpp
+++ b/Sources/libewol/ewol/Windows.cpp
@@ -289,3 +289,34 @@ void ewol::Windows::OnFlipFlopEvent(void)
 		}
 	}
 }
+
+/**
+ * @brief Inform object that an other object is removed ...
+ * @param[in] removeObject Pointer on the EObject remeved ==> the user must remove all reference on this EObject
+ * @note : Sub classes must call this class
+ * @return ---
+ */
+void ewol::Windows::OnObjectRemove(ewol::EObject * removeObject)
+{
+	// First step call parrent : 
+	ewol::Widget::OnObjectRemove(removeObject);
+	// second strep find if in alll the elements ...
+	
+	if (m_subWidget[m_currentCreateId] == removeObject) {
+		EWOL_DEBUG("Remove main element of the windows ==> destroyed object");
+		m_subWidget[m_currentCreateId] = NULL;
+	}
+	for(int32_t iii=m_popUpWidgetList[m_currentCreateId].Size(); iii>=0; iii--) {
+		if(m_popUpWidgetList[m_currentCreateId][iii] == removeObject) {
+			EWOL_DEBUG("Remove Pop-up [" << iii << "] element of the windows ==> destroyed object");
+			m_popUpWidgetList[m_currentCreateId][iii] = NULL;
+			m_popUpWidgetList[m_currentCreateId].Erase(iii);
+		}
+	}
+	if (m_keyBoardwidget == removeObject) {
+		EWOL_DEBUG("Remove Keyboard element of the windows ==> destroyed object");
+		m_keyBoardwidget = NULL;
+	}
+}
+
+
diff --git a/Sources/libewol/ewol/Windows.h b/Sources/libewol/ewol/Windows.h
index d3d9e5e5..21e5cd80 100644
--- a/Sources/libewol/ewol/Windows.h
+++ b/Sources/libewol/ewol/Windows.h
@@ -69,6 +69,7 @@ namespace ewol {
 		private:
 			ewol::Widget*                   m_subWidget[NB_BOUBLE_BUFFER];
 			etk::VectorType<ewol::Widget*>  m_popUpWidgetList[NB_BOUBLE_BUFFER];
+			// TODO : Add flip flop ...
 			ewol::Keyboard*                 m_keyBoardwidget;
 		public:
 			void SetSubWidget(ewol::Widget * widget);
@@ -81,6 +82,13 @@ namespace ewol {
 			void KeyboardShow(ewol::keyboardMode_te mode);
 			void KeyboardHide(void);
 			virtual void OnFlipFlopEvent(void);
+			/**
+			 * @brief Inform object that an other object is removed ...
+			 * @param[in] removeObject Pointer on the EObject remeved ==> the user must remove all reference on this EObject
+			 * @note : Sub classes must call this class
+			 * @return ---
+			 */
+			virtual void OnObjectRemove(ewol::EObject * removeObject);
 	};
 };
 
diff --git a/Sources/libewol/ewol/base/MainThread.cpp b/Sources/libewol/ewol/base/MainThread.cpp
index e7e2fa7a..3bca19d9 100644
--- a/Sources/libewol/ewol/base/MainThread.cpp
+++ b/Sources/libewol/ewol/base/MainThread.cpp
@@ -102,7 +102,8 @@ static void* BaseAppEntry(void* param)
 		pthread_getschedparam(pthread_self(), &policy, &pr);
 		EWOL_INFO("Child Thread Up PL" << policy << " PRI" << pr.sched_priority); //The result Set
 	*/
-
+	
+	ewol::EObjectMessageMultiCast::Init();
 	ewol::widgetManager::Init();
 	ewol::texture::Init();
 	ewol::theme::Init();
@@ -195,6 +196,7 @@ static void* BaseAppEntry(void* param)
 	ewol::texture::UnInit();
 	ewol::UnInitFont();
 	ewol::widgetManager::UnInit();
+	ewol::EObjectMessageMultiCast::UnInit();
 	ewol::theme::UnInit();
 	EWOL_DEBUG("==> Un-Init BThread (END)");
 	pthread_exit(NULL);
diff --git a/Sources/libewol/ewol/base/gui.cpp b/Sources/libewol/ewol/base/gui.cpp
index 603c2c69..e46b0d03 100644
--- a/Sources/libewol/ewol/base/gui.cpp
+++ b/Sources/libewol/ewol/base/gui.cpp
@@ -74,6 +74,7 @@ void EWOL_NativeRegenerateDisplay(void)
 		gui_uniqueWindows->OnRegenerateDisplay();
 		ewol::widgetManager::DoubleBufferLock();
 		gui_uniqueWindows->OnFlipFlopEvent();
+		ewol::widgetManager::SetDoubleBufferNeedDraw();
 		ewol::widgetManager::DoubleBufferUnLock();
 	}
 }
diff --git a/Sources/libewol/ewol/widget/ContextMenu.cpp b/Sources/libewol/ewol/widget/ContextMenu.cpp
index 59fbb25d..8fb307f6 100644
--- a/Sources/libewol/ewol/widget/ContextMenu.cpp
+++ b/Sources/libewol/ewol/widget/ContextMenu.cpp
@@ -29,7 +29,7 @@
 #include <ewol/widget/ContextMenu.h>
 
 #undef __class__
-#define __class__	"ewol::ContextMenu"
+#define __class__	"ContextMenu"
 
 ewol::ContextMenu::ContextMenu(void)
 {
@@ -57,28 +57,25 @@ ewol::ContextMenu::ContextMenu(void)
 
 ewol::ContextMenu::~ContextMenu(void)
 {
-	/*
 	SubWidgetRemove();
-	*/
 }
 
 
 bool ewol::ContextMenu::CalculateSize(etkFloat_t availlableX, etkFloat_t availlableY)
 {
-	/*
 	EWOL_DEBUG("CalculateSize(" << availlableX << "," << availlableY << ")");
 	// pop-up fill all the display :
 	m_size.x = availlableX;
 	m_size.y = availlableY;
 	
-	if (NULL != m_subWidget) {
+	if (NULL != m_subWidget[m_currentCreateId]) {
 		coord2D_ts subWidgetSize;
 		coord2D_ts subWidgetOrigin;
-		subWidgetSize = m_subWidget->GetMinSize();
-		if (true == m_subWidget->CanExpentX()) {
+		subWidgetSize = m_subWidget[m_currentCreateId]->GetMinSize();
+		if (true == m_subWidget[m_currentCreateId]->CanExpentX()) {
 			subWidgetSize.x = m_size.x;
 		}
-		if (true == m_subWidget->CanExpentY()) {
+		if (true == m_subWidget[m_currentCreateId]->CanExpentY()) {
 			subWidgetSize.y = m_size.y;
 		}
 		int32_t minWidth = 100;
@@ -128,32 +125,29 @@ bool ewol::ContextMenu::CalculateSize(etkFloat_t availlableX, etkFloat_t availla
 				}
 				break;
 		}
-		m_subWidget->SetOrigin(subWidgetOrigin.x, subWidgetOrigin.y);
-		m_subWidget->CalculateSize(subWidgetSize.x, subWidgetSize.y);
+		m_subWidget[m_currentCreateId]->SetOrigin(subWidgetOrigin.x, subWidgetOrigin.y);
+		m_subWidget[m_currentCreateId]->CalculateSize(subWidgetSize.x, subWidgetSize.y);
 	}
 	MarkToReedraw();
-	*/
 	return true;
 }
 
 
 bool ewol::ContextMenu::CalculateMinSize(void)
 {
-	/*
 	EWOL_DEBUG("CalculateMinSize");
 	m_userExpendX=false;
 	m_userExpendY=false;
 	m_minSize.x = 50.0;
 	m_minSize.y = 50.0;
-	if (NULL != m_subWidget) {
-		m_subWidget->CalculateMinSize();
-		coord2D_ts tmpSize = m_subWidget->GetMinSize();
+	if (NULL != m_subWidget[m_currentCreateId]) {
+		m_subWidget[m_currentCreateId]->CalculateMinSize();
+		coord2D_ts tmpSize = m_subWidget[m_currentCreateId]->GetMinSize();
 		m_minSize.x = tmpSize.x;
 		m_minSize.y = tmpSize.y;
 	}
 	EWOL_DEBUG("CalculateMinSize(" << m_minSize.x << "," << m_minSize.y << ")");
 	MarkToReedraw();
-	*/
 	return true;
 }
 
@@ -175,41 +169,34 @@ void ewol::ContextMenu::SetExpendY(bool newExpend)
 
 void ewol::ContextMenu::SubWidgetSet(ewol::Widget* newWidget)
 {
-	/*
 	if (NULL == newWidget) {
 		return;
 	}
-	m_subWidget = newWidget;
-	newWidget->SetParrent(this);
-	*/
+	m_subWidget[m_currentCreateId] = newWidget;
 }
 
 
 void ewol::ContextMenu::SubWidgetRemove(void)
 {
-	/*
-	if (NULL != m_subWidget) {
-		ewol::widgetManager::MarkWidgetToBeRemoved(m_subWidget);
-		m_subWidget = NULL;
+	if (NULL != m_subWidget[m_currentCreateId]) {
+		m_subWidget[m_currentCreateId]->MarkToRemove();
+		m_subWidget[m_currentCreateId] = NULL;
 	}
-	*/
 }
 
 bool ewol::ContextMenu::OnDraw(void)
 {
-	/*
+	EWOL_DEBUG("On Draw " << m_currentDrawId);
 	ewol::Drawable::OnDraw();
-	if (NULL != m_subWidget) {
-		m_subWidget->GenDraw();
+	if (NULL != m_subWidget[m_currentDrawId]) {
+		m_subWidget[m_currentDrawId]->GenDraw();
 	}
-	*/
 	return true;
 }
 
 
 void ewol::ContextMenu::OnRegenerateDisplay(void)
 {
-	/*
 	if (true == NeedRedraw()) {
 	}
 	// generate a white background and take gray on other surfaces
@@ -217,9 +204,9 @@ void ewol::ContextMenu::OnRegenerateDisplay(void)
 	ewol::OObject2DColored * BGOObjects = new ewol::OObject2DColored();
 	AddOObject(BGOObjects);
 	
-	if (NULL != m_subWidget) {
-		coord2D_ts tmpSize = m_subWidget->GetSize();
-		coord2D_ts tmpOrigin = m_subWidget->GetOrigin();
+	if (NULL != m_subWidget[m_currentCreateId]) {
+		coord2D_ts tmpSize = m_subWidget[m_currentCreateId]->GetSize();
+		coord2D_ts tmpOrigin = m_subWidget[m_currentCreateId]->GetOrigin();
 		
 		// display border ...
 		BGOObjects->SetColor(m_colorBorder);
@@ -250,23 +237,21 @@ void ewol::ContextMenu::OnRegenerateDisplay(void)
 		BGOObjects->SetColor(m_colorBackGroung);
 		BGOObjects->Rectangle(tmpOrigin.x, tmpOrigin.y, tmpSize.x, tmpSize.y);
 	}
-	if (NULL != m_subWidget) {
-		m_subWidget->OnRegenerateDisplay();
+	if (NULL != m_subWidget[m_currentCreateId]) {
+		m_subWidget[m_currentCreateId]->OnRegenerateDisplay();
 	}
-	*/
 }
 
 
 bool ewol::ContextMenu::OnEventInput(int32_t IdInput, eventInputType_te typeEvent, eventPosition_ts pos)
 {
-	/*
-	if (NULL != m_subWidget) {
-		coord2D_ts tmpSize = m_subWidget->GetSize();
-		coord2D_ts tmpOrigin = m_subWidget->GetOrigin();
+	if (NULL != m_subWidget[m_currentCreateId]) {
+		coord2D_ts tmpSize = m_subWidget[m_currentCreateId]->GetSize();
+		coord2D_ts tmpOrigin = m_subWidget[m_currentCreateId]->GetOrigin();
 		if(    (tmpOrigin.x <= pos.local.x && tmpOrigin.x + tmpSize.x >= pos.local.x)
 		    && (tmpOrigin.y <= pos.local.y && tmpOrigin.y + tmpSize.y >= pos.local.y) )
 		{
-			return m_subWidget->GenEventInput(IdInput, typeEvent, pos.abs);
+			return m_subWidget[m_currentCreateId]->GenEventInput(IdInput, typeEvent, pos.abs);
 		} else {
 			//EWOL_INFO("Event ouside the context menu");
 			if (IdInput > 0) {
@@ -278,23 +263,36 @@ bool ewol::ContextMenu::OnEventInput(int32_t IdInput, eventInputType_te typeEven
 				    || typeEvent == ewol::EVENT_INPUT_TYPE_UP
 				    || typeEvent == ewol::EVENT_INPUT_TYPE_ENTER
 				    || typeEvent == ewol::EVENT_INPUT_TYPE_LEAVE ) {
-					ewol::RmPopUp(GetWidgetId());
+					// Auto-remove ...
+					MarkToRemove();
 				}
 			}
 		}
-		
 	}
-	*/
 	return true;
 }
 
 
 void ewol::ContextMenu::SetPositionMark(markPosition_te position, coord2D_ts arrowPos)
 {
-	/*
 	EWOL_DEBUG("set context menu at the position : (" << arrowPos.x << "," << arrowPos.y << ")");
 	m_arrawBorder = position;
 	m_arrowPos = arrowPos;
 	MarkToReedraw();
-	*/
 }
+
+void ewol::ContextMenu::OnFlipFlopEvent(void)
+{
+	EWOL_DEBUG("Flip-Flop");
+	bool needFlipFlop = m_needFlipFlop;
+	// call herited classes
+	ewol::Drawable::OnFlipFlopEvent();
+	// internal saving
+	if (true == needFlipFlop) {
+		m_subWidget[m_currentCreateId] = m_subWidget[m_currentDrawId];
+	}
+	// in every case, we propagate the flip-flop EVENT
+	if (NULL != m_subWidget[m_currentDrawId]) {
+		m_subWidget[m_currentDrawId]->OnFlipFlopEvent();
+	}
+}
\ No newline at end of file
diff --git a/Sources/libewol/ewol/widget/ContextMenu.h b/Sources/libewol/ewol/widget/ContextMenu.h
index 88c63d65..9172d890 100644
--- a/Sources/libewol/ewol/widget/ContextMenu.h
+++ b/Sources/libewol/ewol/widget/ContextMenu.h
@@ -56,7 +56,7 @@ namespace ewol {
 			coord2D_ts      m_arrowPos;
 			etkFloat_t      m_offset;
 			markPosition_te m_arrawBorder;
-			ewol::Widget* m_subWidget;
+			ewol::Widget*   m_subWidget[NB_BOUBLE_BUFFER];
 		public:
 			void           SubWidgetSet(ewol::Widget* newWidget);
 			void           SubWidgetRemove(void);
@@ -67,6 +67,7 @@ namespace ewol {
 			virtual void   OnRegenerateDisplay(void);
 		public:
 			virtual bool   OnEventInput(int32_t IdInput, eventInputType_te typeEvent, eventPosition_ts pos);
+			virtual void   OnFlipFlopEvent(void);
 	};
 };
 
diff --git a/Sources/libewol/ewol/widget/Drawable.h b/Sources/libewol/ewol/widget/Drawable.h
index 1925b3a9..d36ee0f8 100644
--- a/Sources/libewol/ewol/widget/Drawable.h
+++ b/Sources/libewol/ewol/widget/Drawable.h
@@ -30,7 +30,7 @@
 
 namespace ewol {
 	
-	class Drawable : virtual public ewol::Widget {
+	class Drawable : public ewol::Widget {
 		public:
 			Drawable(void);
 			virtual ~Drawable(void);
diff --git a/Sources/libewol/ewol/widget/List.cpp b/Sources/libewol/ewol/widget/List.cpp
index 5ff07f18..7a70dbb5 100644
--- a/Sources/libewol/ewol/widget/List.cpp
+++ b/Sources/libewol/ewol/widget/List.cpp
@@ -50,7 +50,14 @@ ewol::List::List(void)
 
 ewol::List::~List(void)
 {
-	
+	//clean all the object
+	for (int32_t jjj=0; jjj<NB_BOUBLE_BUFFER; jjj++) {
+		for (int32_t iii=0; iii<m_listOObject[jjj].Size(); iii++) {
+			delete(m_listOObject[jjj][iii]);
+			m_listOObject[jjj][iii] = NULL;
+		}
+		m_listOObject[jjj].Clear();
+	}
 }
 
 bool ewol::List::CalculateMinSize(void)
@@ -67,6 +74,43 @@ bool ewol::List::CalculateMinSize(void)
 }
 
 
+void ewol::List::AddOObject(ewol::OObject* newObject, int32_t pos)
+{
+	if (NULL == newObject) {
+		EWOL_ERROR("Try to add an empty object in the Widget generic display system");
+		return;
+	}
+	if (pos < 0 || pos >= m_listOObject[m_currentCreateId].Size() ) {
+		m_listOObject[m_currentCreateId].PushBack(newObject);
+	} else {
+		m_listOObject[m_currentCreateId].Insert(pos, newObject);
+	}
+	m_needFlipFlop = true;
+}
+
+
+void ewol::List::ClearOObjectList(void)
+{
+	for (int32_t iii=0; iii<m_listOObject[m_currentCreateId].Size(); iii++) {
+		delete(m_listOObject[m_currentCreateId][iii]);
+		m_listOObject[m_currentCreateId][iii] = NULL;
+	}
+	m_listOObject[m_currentCreateId].Clear();
+}
+
+bool ewol::List::OnDraw(void)
+{
+	for (int32_t iii=0; iii<m_listOObject[m_currentDrawId].Size(); iii++) {
+		if (NULL != m_listOObject[m_currentDrawId][iii]) {
+			m_listOObject[m_currentDrawId][iii]->Draw();
+		}
+	}
+	return true;
+}
+
+
+
+
 void ewol::List::OnRegenerateDisplay(void)
 {
 	if (true == NeedRedraw()) {
diff --git a/Sources/libewol/ewol/widget/List.h b/Sources/libewol/ewol/widget/List.h
index 5d0b58a6..69fd293d 100644
--- a/Sources/libewol/ewol/widget/List.h
+++ b/Sources/libewol/ewol/widget/List.h
@@ -31,7 +31,7 @@
 #include <ewol/widget/Drawable.h>
 
 namespace ewol {
-	class List :public ewol::WidgetScrooled, ewol::Drawable
+	class List :public ewol::WidgetScrooled
 	{
 		public:
 			List(void);
@@ -39,6 +39,15 @@ namespace ewol {
 			virtual ~List(void);
 			virtual bool   CalculateMinSize(void);
 			void           SetLabel(etk::UString newLabel);
+		// Drawing capabilities ....
+		private:
+			etk::VectorType<ewol::OObject*> m_listOObject[NB_BOUBLE_BUFFER];   //!< generic element to display...
+		public:
+			void    AddOObject(ewol::OObject* newObject, int32_t pos=-1);
+			void    ClearOObjectList(void);
+		protected:
+			virtual bool OnDraw(void);
+		// list properties ...
 		private:
 			int32_t        m_paddingSizeX;
 			int32_t        m_paddingSizeY;
diff --git a/Sources/libewol/ewol/widget/Menu.cpp b/Sources/libewol/ewol/widget/Menu.cpp
index 53170d4d..557e37b4 100644
--- a/Sources/libewol/ewol/widget/Menu.cpp
+++ b/Sources/libewol/ewol/widget/Menu.cpp
@@ -25,7 +25,7 @@
 
 
 #include <ewol/ewol.h>
-#include <ewol/EObjectMessageMulticast.h>
+#include <ewol/EObject.h>
 #include <ewol/WidgetManager.h>
 #include <ewol/widget/Menu.h>
 #include <ewol/widget/Button.h>
@@ -37,8 +37,8 @@
 
 ewol::Menu::Menu(void)
 {
-	m_staticPointer = NULL;
-	m_widgetPopUp = NULL;
+	m_staticId = 0;
+	m_widgetContextMenu = NULL;
 }
 
 ewol::Menu::~Menu(void)
@@ -68,7 +68,6 @@ void ewol::Menu::SubWidgetUnLink(ewol::Widget* newWidget)
 
 void ewol::Menu::Clear(void)
 {
-	/*
 	for( int32_t iii=0; iii < m_listElement.Size(); iii++) {
 		if (m_listElement[iii] != NULL) {
 			delete(m_listElement[iii]);
@@ -76,7 +75,6 @@ void ewol::Menu::Clear(void)
 		}
 	}
 	m_listElement.Clear();
-	*/
 }
 
 int32_t ewol::Menu::AddTitle(etk::UString label, etk::UString image, const char * generateEvent, const etk::UString message)
@@ -86,7 +84,6 @@ int32_t ewol::Menu::AddTitle(etk::UString label, etk::UString image, const char
 
 int32_t ewol::Menu::Add(int32_t parent, etk::UString label, etk::UString image, const char * generateEvent, const etk::UString message)
 {
-/*
 	ewol::MenuElement * tmpObject = new ewol::MenuElement();
 	if (NULL == tmpObject) {
 		EWOL_ERROR("Allocation problem");
@@ -94,7 +91,7 @@ int32_t ewol::Menu::Add(int32_t parent, etk::UString label, etk::UString image,
 	}
 	tmpObject->m_localId = m_staticId++;
 	tmpObject->m_parentId = parent;
-	tmpObject->m_widgetId = -1;
+	tmpObject->m_widgetPointer = NULL;
 	tmpObject->m_label = label;
 	tmpObject->m_image = image;
 	tmpObject->m_generateEvent = generateEvent;
@@ -108,12 +105,10 @@ int32_t ewol::Menu::Add(int32_t parent, etk::UString label, etk::UString image,
 			return tmpObject->m_localId;;
 		}
 		ewol::SizerHori::SubWidgetAdd(myButton);
-		myButton->ExternLinkOnEvent(ewolEventButtonPressed, GetWidgetId(), ewolEventButtonPressed);
-		tmpObject->m_widgetId = myButton->GetWidgetId();
+		myButton->RegisterOnEvent(this, ewolEventButtonPressed, ewolEventButtonPressed);
+		tmpObject->m_widgetPointer = myButton;
 	}
 	return tmpObject->m_localId;
-*/
-	return 0;
 }
 
 void ewol::Menu::AddSpacer(void)
@@ -122,25 +117,37 @@ void ewol::Menu::AddSpacer(void)
 }
 
 
-bool ewol::Menu::OnEventAreaExternal(int32_t widgetID, const char * generateEventId, const char * data, etkFloat_t x, etkFloat_t y)
+/**
+ * @brief Receive a message from an other EObject with a specific eventId and data
+ * @param[in] CallerObject Pointer on the EObject that information came from
+ * @param[in] eventId Message registered by this class
+ * @param[in] data Data registered by this class
+ * @return ---
+ */
+void ewol::Menu::OnReceiveMessage(ewol::EObject * CallerObject, const char * eventId, etk::UString data)
 {
 	/*
-	if (true == ewol::SizerHori::OnEventAreaExternal(widgetID, generateEventId, data, x, y)) {
+	if (true == ewol::SizerHori::OnReceiveMessage(CallerObject, eventId, data)) {
 		return true;
 	}
 	*/
-	/*
-	if (NULL==data && generateEventId==ewolEventButtonPressed) {
+	if (eventId == ewolEventButtonPressed) {
 		for(int32_t iii=0; iii<m_listElement.Size(); iii++) {
-			if (widgetID == m_listElement[iii]->m_widgetId) {
-				// 2 posible case
+			if (CallerObject == m_listElement[iii]->m_widgetPointer) {
+				// 2 posible case (have a message or have a child ...
 				if (m_listElement[iii]->m_generateEvent != NULL) {
-					// TODO : Later ...
-					//ewol::widgetMessageMultiCast::Send(GetWidgetId(), m_listElement[iii]->m_generateEvent, m_listElement[iii]->m_message);
-					m_widgetPopUp->MarkToRemove();
-					m_widgetPopUp = NULL;
-					return true;
-				} else {
+					EWOL_DEBUG("Menu ==> Generate Event");
+					// Send a multicast event ...
+					SendMultiCast(m_listElement[iii]->m_generateEvent, m_listElement[iii]->m_message);
+					/*
+					if (NULL != m_widgetContextMenu) {
+						m_widgetContextMenu->MarkToRemove();
+					}
+					*/
+					m_widgetContextMenu = NULL;
+					return;
+				} else{
+					EWOL_DEBUG("Menu ==> Load Sub Menu");
 					bool findChild = false;
 					for(int32_t jjj=0; jjj<m_listElement.Size(); jjj++) {
 						if (m_listElement[iii]->m_localId == m_listElement[jjj]->m_parentId) {
@@ -150,19 +157,17 @@ bool ewol::Menu::OnEventAreaExternal(int32_t widgetID, const char * generateEven
 					}
 					if (false == findChild) {
 						EWOL_WARNING("Event on menu element with no child an no event... label=" << m_listElement[iii]->m_label);
-						return false;
+						return;
 					}
 					// create a context menu : 
-					ewol::ContextMenu * tmpWidget = new ewol::ContextMenu();
-					if (NULL == tmpWidget) {
+					m_widgetContextMenu = new ewol::ContextMenu();
+					if (NULL == m_widgetContextMenu) {
 						EWOL_ERROR("Allocation Error");
-						return false;
+						return;
 					}
 					// Get the button widget : 
 					coord2D_ts newPosition;
-					newPosition.x = x;
-					newPosition.y = y;
-					ewol::Widget * eventFromWidget = ewol::widgetManager::Get(widgetID);
+					ewol::Widget * eventFromWidget = static_cast<ewol::Widget*>(CallerObject);
 					if (NULL != eventFromWidget) {
 						coord2D_ts tmpOri  = eventFromWidget->GetOrigin();
 						coord2D_ts tmpSize = eventFromWidget->GetSize();
@@ -171,7 +176,7 @@ bool ewol::Menu::OnEventAreaExternal(int32_t widgetID, const char * generateEven
 						newPosition.y = tmpOri.y + tmpSize.y;
 					}
 					
-					tmpWidget->SetPositionMark(ewol::CONTEXT_MENU_MARK_TOP, newPosition );
+					m_widgetContextMenu->SetPositionMark(ewol::CONTEXT_MENU_MARK_TOP, newPosition );
 					
 					ewol::SizerVert * mySizerVert = NULL;
 					ewol::Button * myButton = NULL;
@@ -179,7 +184,7 @@ bool ewol::Menu::OnEventAreaExternal(int32_t widgetID, const char * generateEven
 					mySizerVert = new ewol::SizerVert();
 						mySizerVert->LockExpendContamination(true);
 						// set it in the pop-up-system : 
-						tmpWidget->SubWidgetSet(mySizerVert);
+						m_widgetContextMenu->SubWidgetSet(mySizerVert);
 						
 						for(int32_t jjj=0; jjj<m_listElement.Size(); jjj++) {
 							if (m_listElement[iii]->m_localId == m_listElement[jjj]->m_parentId) {
@@ -195,13 +200,10 @@ bool ewol::Menu::OnEventAreaExternal(int32_t widgetID, const char * generateEven
 								mySizerVert->SubWidgetAdd(myButton);
 							}
 						}
-					m_staticPointer = tmpWidget;
-					ewol::PopUpWidgetPush(m_staticPointer);
+					ewol::PopUpWidgetPush(m_widgetContextMenu);
 				}
-				return true;
+				return;
 			}
 		}
 	}
-	*/
-	return false;
 }
diff --git a/Sources/libewol/ewol/widget/Menu.h b/Sources/libewol/ewol/widget/Menu.h
index b83152bc..fcf1b881 100644
--- a/Sources/libewol/ewol/widget/Menu.h
+++ b/Sources/libewol/ewol/widget/Menu.h
@@ -30,6 +30,7 @@
 #include <ewol/Debug.h>
 #include <ewol/Widget.h>
 #include <ewol/widget/SizerHori.h>
+#include <ewol/widget/ContextMenu.h>
 
 namespace ewol {
 	
@@ -55,15 +56,22 @@ namespace ewol {
 			virtual void   SubWidgetUnLink(ewol::Widget* newWidget);
 		private:
 			etk::VectorType<MenuElement*>  m_listElement;
-			ewol::EObject*                 m_staticPointer;
-			ewol::EObject*                 m_widgetPopUp;
+			int32_t                        m_staticId;      // unique ID for every element of the menu ...
+			ewol::ContextMenu*             m_widgetContextMenu;
 		public:
 			void           Clear(void);
 			int32_t        AddTitle(etk::UString label, etk::UString image="", const char * generateEvent = NULL, const etk::UString message = "");
 			int32_t        Add(int32_t parent, etk::UString label, etk::UString image="", const char * generateEvent = NULL, const etk::UString message = "");
 			void           AddSpacer(void);
 			
-			virtual bool   OnEventAreaExternal(int32_t widgetID, const char * generateEventId, const char * data, etkFloat_t x, etkFloat_t y);
+			/**
+			 * @brief Receive a message from an other EObject with a specific eventId and data
+			 * @param[in] CallerObject Pointer on the EObject that information came from
+			 * @param[in] eventId Message registered by this class
+			 * @param[in] data Data registered by this class
+			 * @return ---
+			 */
+			virtual void OnReceiveMessage(ewol::EObject * CallerObject, const char * eventId, etk::UString data);
 	};
 };
 
diff --git a/Sources/libewol/ewol/widget/SizerHori.cpp b/Sources/libewol/ewol/widget/SizerHori.cpp
index e7804bff..d11740e3 100644
--- a/Sources/libewol/ewol/widget/SizerHori.cpp
+++ b/Sources/libewol/ewol/widget/SizerHori.cpp
@@ -28,7 +28,7 @@
 #include <ewol/WidgetManager.h>
 
 #undef __class__
-#define __class__	"ewol::SizerHori"
+#define __class__	"SizerHori"
 
 ewol::SizerHori::SizerHori(void)
 {
diff --git a/Sources/libewol/ewol/widget/WidgetScrolled.h b/Sources/libewol/ewol/widget/WidgetScrolled.h
index e920512b..34c67d45 100644
--- a/Sources/libewol/ewol/widget/WidgetScrolled.h
+++ b/Sources/libewol/ewol/widget/WidgetScrolled.h
@@ -41,7 +41,7 @@ namespace ewol {
 	#endif
 	}highSpeedMode_te;
 	
-	class WidgetScrooled : virtual public ewol::Widget
+	class WidgetScrooled : public ewol::Widget
 	{
 		protected:
 			coord2D_ts        m_originScrooled;
diff --git a/Sources/libewol/ewol/widgetMeta/FileChooser.cpp b/Sources/libewol/ewol/widgetMeta/FileChooser.cpp
index d1e12617..a925d7cf 100644
--- a/Sources/libewol/ewol/widgetMeta/FileChooser.cpp
+++ b/Sources/libewol/ewol/widgetMeta/FileChooser.cpp
@@ -472,7 +472,7 @@ ewol::FileChooser::~FileChooser(void)
 void ewol::FileChooser::SetTitle(etk::UString label)
 {
 	/*
-	ewol::Label * tmpWidget = dynamic_cast<ewol::Label*>(ewol::widgetManager::Get(m_widgetTitleId));
+	ewol::Label * tmpWidget = static_cast<ewol::Label*>(ewol::widgetManager::Get(m_widgetTitleId));
 	if (NULL == tmpWidget) {
 		return;
 	}
@@ -483,7 +483,7 @@ void ewol::FileChooser::SetTitle(etk::UString label)
 void ewol::FileChooser::SetValidateLabel(etk::UString label)
 {
 	/*
-	ewol::Button * tmpWidget = dynamic_cast<ewol::Button*>(ewol::widgetManager::Get(m_widgetValidateId));
+	ewol::Button * tmpWidget = static_cast<ewol::Button*>(ewol::widgetManager::Get(m_widgetValidateId));
 	if (NULL == tmpWidget) {
 		return;
 	}
@@ -494,7 +494,7 @@ void ewol::FileChooser::SetValidateLabel(etk::UString label)
 void ewol::FileChooser::SetCancelLabel(etk::UString label)
 {
 	/*
-	ewol::Button * tmpWidget = dynamic_cast<ewol::Button*>(ewol::widgetManager::Get(m_widgetCancelId));
+	ewol::Button * tmpWidget = static_cast<ewol::Button*>(ewol::widgetManager::Get(m_widgetCancelId));
 	if (NULL == tmpWidget) {
 		return;
 	}
@@ -514,7 +514,7 @@ void ewol::FileChooser::SetFileName(etk::UString filename)
 {
 	/*
 	m_file = filename;
-	ewol::Entry * tmpWidget = dynamic_cast<ewol::Entry*>(ewol::widgetManager::Get(m_widgetCurrentFileNameId));
+	ewol::Entry * tmpWidget = static_cast<ewol::Entry*>(ewol::widgetManager::Get(m_widgetCurrentFileNameId));
 	if (NULL == tmpWidget) {
 		return;
 	}
@@ -534,7 +534,7 @@ bool ewol::FileChooser::OnEventAreaExternal(int32_t widgetID, const char * gener
 		return true;
 	} else if (ewolEventFileChooserEntryFile == generateEventId) {
 		//==> change the file name
-		ewol::Entry * tmpWidget = dynamic_cast<ewol::Entry*>(ewol::widgetManager::Get(m_widgetCurrentFileNameId));
+		ewol::Entry * tmpWidget = static_cast<ewol::Entry*>(ewol::widgetManager::Get(m_widgetCurrentFileNameId));
 		if (NULL != tmpWidget) {
 			m_file = tmpWidget->GetValue();
 		}
@@ -551,7 +551,7 @@ bool ewol::FileChooser::OnEventAreaExternal(int32_t widgetID, const char * gener
 		return true;
 	} else if (ewolEventFileChooserSelectFolder == generateEventId) {
 		//==> this is an internal event ...
-		FileChooserFolderList * myListFolder = dynamic_cast<FileChooserFolderList *>(ewol::widgetManager::Get(m_widgetListFolderId));
+		FileChooserFolderList * myListFolder = static_cast<FileChooserFolderList *>(ewol::widgetManager::Get(m_widgetListFolderId));
 		etk::UString tmpString = myListFolder->GetSelectedLine();
 		EWOL_DEBUG(" old PATH : \"" << m_folder << "\" + \"" << tmpString << "\"");
 		m_folder = m_folder + tmpString;
@@ -576,7 +576,7 @@ bool ewol::FileChooser::OnEventAreaExternal(int32_t widgetID, const char * gener
 		return true;
 	} else if (ewolEventFileChooserSelectFile == generateEventId) {
 		m_hasSelectedFile = true;
-		FileChooserFileList * myListFile     = dynamic_cast<FileChooserFileList *>(ewol::widgetManager::Get(m_widgetListFileId));
+		FileChooserFileList * myListFile     = static_cast<FileChooserFileList *>(ewol::widgetManager::Get(m_widgetListFileId));
 		etk::UString file = myListFile->GetSelectedLine();
 		SetFileName(file);
 		GenEventInputExternal(generateEventId, x, y);
@@ -596,10 +596,10 @@ bool ewol::FileChooser::OnEventAreaExternal(int32_t widgetID, const char * gener
 void ewol::FileChooser::UpdateCurrentFolder(void)
 {
 	/*
-	FileChooserFileList * myListFile     = dynamic_cast<FileChooserFileList *>(ewol::widgetManager::Get(m_widgetListFileId));
-	FileChooserFolderList * myListFolder = dynamic_cast<FileChooserFolderList *>(ewol::widgetManager::Get(m_widgetListFolderId));
-	ewol::Entry * myEntry                = dynamic_cast<ewol::Entry *>(ewol::widgetManager::Get(m_widgetCurrentFolderId));
-	ewol::CheckBox * myhidenFiles        = dynamic_cast<ewol::CheckBox *>(ewol::widgetManager::Get(m_widgetCheckBoxId));
+	FileChooserFileList * myListFile     = static_cast<FileChooserFileList *>(ewol::widgetManager::Get(m_widgetListFileId));
+	FileChooserFolderList * myListFolder = static_cast<FileChooserFolderList *>(ewol::widgetManager::Get(m_widgetListFolderId));
+	ewol::Entry * myEntry                = static_cast<ewol::Entry *>(ewol::widgetManager::Get(m_widgetCurrentFolderId));
+	ewol::CheckBox * myhidenFiles        = static_cast<ewol::CheckBox *>(ewol::widgetManager::Get(m_widgetCheckBoxId));
 	
 	myListFile->ClearElements();
 	myListFolder->ClearElements();
diff --git a/Sources/libewol/ewol/widgetMeta/Keyboard.cpp b/Sources/libewol/ewol/widgetMeta/Keyboard.cpp
index a5d64e98..01f93924 100644
--- a/Sources/libewol/ewol/widgetMeta/Keyboard.cpp
+++ b/Sources/libewol/ewol/widgetMeta/Keyboard.cpp
@@ -191,7 +191,7 @@ bool ewol::Keyboard::OnEventAreaExternal(int32_t widgetID, const char * generate
 	/*
 	EWOL_INFO("Receive Event from the Keyboard ... : widgetid=" << widgetID << "\"" << generateEventId << "\" ==> internalEvent=\"" << data << "\"" );
 	if (ewolEventKeyEvent == generateEventId) {
-		ewol::Button * bt     = dynamic_cast<ewol::Button *>(ewol::widgetManager::Get(widgetID));
+		ewol::Button * bt     = static_cast<ewol::Button *>(ewol::widgetManager::Get(widgetID));
 		EWOL_DEBUG("kbevent : \"" << bt->GetLabel() << "\"");
 		etk::UString data = bt->GetLabel();
 		if (data == "DEL") {
diff --git a/Sources/libewol/file.mk b/Sources/libewol/file.mk
index ae65bcb5..6898b44c 100644
--- a/Sources/libewol/file.mk
+++ b/Sources/libewol/file.mk
@@ -7,7 +7,6 @@ FILE_LIST = ewol/ewol.cpp \
 			ewol/Debug.cpp \
 			ewol/EObject.cpp \
 			ewol/EObjectManager.cpp \
-			ewol/EObjectMessageMulticast.cpp \
 			ewol/OObject.cpp \
 			ewol/OObject/2DText.cpp \
 			ewol/OObject/2DTextColored.cpp \