diff --git a/Sources/libetk/etk/Stream.h b/Sources/libetk/etk/Stream.h
index f9e920e5..bd02c985 100644
--- a/Sources/libetk/etk/Stream.h
+++ b/Sources/libetk/etk/Stream.h
@@ -30,6 +30,7 @@
 #include <typeinfo>
 #include <string.h>
 #include <pthread.h>
+#include <etk/Types.h>
 
 #if defined(__PLATFORM__Android)
 #	include <android/log.h>
@@ -73,6 +74,13 @@ namespace etk{
 			strncat(m_tmpChar, tmp, MAX_LOG_SIZE);
 			return *this;
 		}
+		/*
+		CCout& operator << (uniChar_t t) {
+			snprintf(tmp, MAX_LOG_SIZE_TMP, "%c", t);
+			strncat(m_tmpChar, tmp, MAX_LOG_SIZE);
+			return *this;
+		}
+		*/
 		CCout& operator << (long t) {
 			snprintf(tmp, MAX_LOG_SIZE_TMP, "%ld", t);
 			strncat(m_tmpChar, tmp, MAX_LOG_SIZE);
diff --git a/Sources/libetk/etk/UString.cpp b/Sources/libetk/etk/UString.cpp
index 9e7e8191..6f85457b 100644
--- a/Sources/libetk/etk/UString.cpp
+++ b/Sources/libetk/etk/UString.cpp
@@ -315,13 +315,36 @@ const etk::UString& etk::UString::operator= (etk::VectorType<uniChar_t> inputDat
 }
 
 
+uniChar_t changeOrder(uniChar_t elemA)
+{
+	if (elemA >= 'A' && elemA <= 'Z') {
+		return (elemA - (uniChar_t)'A')*2 + 'A';
+	}
+	if (elemA >= 'a' && elemA <= 'z') {
+		return (elemA - (uniChar_t)'a')*2 + 'A' + 1;
+	}
+	if (elemA >= ':' && elemA <= '@') {
+		return elemA + 52;
+	}
+	if (elemA >= '[' && elemA <= '`') {
+		return elemA +26;
+	}
+	return elemA;
+}
+
 
 bool etk::UString::operator> (const etk::UString& etkS) const
 {
 	if( this != &etkS ) {
 		for (int32_t iii=0; iii < m_data.Size() && iii < etkS.m_data.Size(); iii++) {
-			if (m_data[iii] > etkS.m_data[iii] ) {
-				return true;
+			//TK_DEBUG("    compare : '" << (char)m_data[iii] << "'>'" << (char)etkS.m_data[iii] << "' ==> " << changeOrder(m_data[iii]) << ">" << changeOrder(etkS.m_data[iii]) << "");
+			uniChar_t elemA = changeOrder(m_data[iii]);
+			uniChar_t elemB = changeOrder(etkS.m_data[iii]);
+			if (elemA != elemB) {
+				if (elemA > elemB) {
+					return true;
+				}
+				return false;
 			}
 		}
 		if (m_data.Size() > etkS.m_data.Size()) {
@@ -331,6 +354,66 @@ bool etk::UString::operator> (const etk::UString& etkS) const
 	return false;
 }
 
+bool etk::UString::operator>= (const etk::UString& etkS) const
+{
+	if( this != &etkS ) {
+		for (int32_t iii=0; iii < m_data.Size() && iii < etkS.m_data.Size(); iii++) {
+			uniChar_t elemA = changeOrder(m_data[iii]);
+			uniChar_t elemB = changeOrder(etkS.m_data[iii]);
+			if (elemA != elemB) {
+				if (elemA > elemB) {
+					return true;
+				}
+				return false;
+			}
+		}
+		if (m_data.Size() >= etkS.m_data.Size()) {
+			return true;
+		}
+	}
+	return false;
+}
+
+bool etk::UString::operator< (const etk::UString& etkS) const
+{
+	if( this != &etkS ) {
+		for (int32_t iii=0; iii < m_data.Size() && iii < etkS.m_data.Size(); iii++) {
+			uniChar_t elemA = changeOrder(m_data[iii]);
+			uniChar_t elemB = changeOrder(etkS.m_data[iii]);
+			if (elemA != elemB) {
+				if (elemA < elemB) {
+					return true;
+				}
+				return false;
+			}
+		}
+		if (m_data.Size() < etkS.m_data.Size()) {
+			return true;
+		}
+	}
+	return false;
+}
+
+bool etk::UString::operator<= (const etk::UString& etkS) const
+{
+	if( this != &etkS ) {
+		for (int32_t iii=0; iii < m_data.Size() && iii < etkS.m_data.Size(); iii++) {
+			uniChar_t elemA = changeOrder(m_data[iii]);
+			uniChar_t elemB = changeOrder(etkS.m_data[iii]);
+			if (elemA != elemB) {
+				if (elemA < elemB) {
+					return true;
+				}
+				return false;
+			}
+		}
+		if (m_data.Size() <= etkS.m_data.Size()) {
+			return true;
+		}
+	}
+	return false;
+}
+
 
 /**
  * @brief 
diff --git a/Sources/libetk/etk/UString.h b/Sources/libetk/etk/UString.h
index 3e84f487..2f424726 100644
--- a/Sources/libetk/etk/UString.h
+++ b/Sources/libetk/etk/UString.h
@@ -67,9 +67,12 @@ namespace etk
 			bool  operator!= (const uniChar_t * inputData) const;
 			bool  operator!= (const char * inputData) const;
 			/*****************************************************
-			 *    > operator
+			 *    > < >= <= operator
 			 *****************************************************/
-			bool  operator> (const etk::UString& etkS) const;
+			bool  operator>  (const etk::UString& etkS) const;
+			bool  operator>= (const etk::UString& etkS) const;
+			bool  operator<  (const etk::UString& etkS) const;
+			bool  operator<= (const etk::UString& etkS) const;
 			/*****************************************************
 			 *    += operator
 			 *****************************************************/
diff --git a/Sources/libewol/ewol/widget/Button.cpp b/Sources/libewol/ewol/widget/Button.cpp
index 45dfa46d..4d8cff95 100644
--- a/Sources/libewol/ewol/widget/Button.cpp
+++ b/Sources/libewol/ewol/widget/Button.cpp
@@ -152,9 +152,10 @@ void ewol::Button::OnRegenerateDisplay(void)
 		ewol::OObject2DColored * tmpOObjects = new ewol::OObject2DColored;
 		tmpOObjects->SetColor(m_textColorBg);
 		tmpOObjects->Rectangle( tmpOriginX, tmpOriginY, tmpSizeX, tmpSizeY);
+		/*
 		tmpOObjects->SetColor(m_textColorFg);
 		tmpOObjects->RectangleBorder( tmpOriginX, tmpOriginY, tmpSizeX, tmpSizeY, borderSize);
-		
+		*/
 		AddOObject(tmpOObjects, "BouttonDecoration");
 		
 		AddOObject(tmpText, "BouttonText");
diff --git a/Sources/libewol/ewol/widgetMeta/FileChooser.cpp b/Sources/libewol/ewol/widgetMeta/FileChooser.cpp
index f6717524..add1181e 100644
--- a/Sources/libewol/ewol/widgetMeta/FileChooser.cpp
+++ b/Sources/libewol/ewol/widgetMeta/FileChooser.cpp
@@ -52,8 +52,9 @@ void SortList(etk::VectorType<etk::UString *> &m_listDirectory)
 		
 		int32_t findPos = 0;
 		for(int32_t jjj=0; jjj<m_listDirectory.Size(); jjj++) {
+			//EWOL_DEBUG("compare : \""<<*tmpList[iii] << "\" and \"" << *m_listDirectory[jjj] << "\"");
 			if (*tmpList[iii] > *m_listDirectory[jjj]) {
-				findPos = jjj;
+				findPos = jjj+1;
 			}
 		}
 		//EWOL_DEBUG("position="<<findPos);
@@ -86,6 +87,10 @@ class FileChooserFolderList : public ewol::List
 		{
 			etk::UString* tmpEmement = new etk::UString(element);
 			m_listDirectory.PushBack(tmpEmement);
+		}
+		void EndGenerating(void)
+		{
+			SortList(m_listDirectory);
 			MarkToReedraw();
 		}
 		
@@ -222,21 +227,9 @@ class FileChooserFileList : public ewol::List
 			etk::UString* tmpEmement = new etk::UString(element);
 			m_listFile.PushBack(tmpEmement);
 		}
-		void endGenerating(void)
+		void EndGenerating(void)
 		{
-			/*
-			EWOL_DEBUG("list before");
-			for (int32_t iii=0; iii<m_listFile.Size(); iii++) {
-				EWOL_DEBUG("      " << *m_listFile[iii] );
-			}
-			*/
 			SortList(m_listFile);
-			/*
-			EWOL_DEBUG("list after");
-			for (int32_t iii=0; iii<m_listFile.Size(); iii++) {
-				EWOL_DEBUG("      " << *m_listFile[iii] );
-			}
-			*/
 			MarkToReedraw();
 		}
 		void ClearElements(void) {
@@ -616,7 +609,8 @@ void ewol::FileChooser::UpdateCurrentFolder(void)
 	} else {
 		EWOL_ERROR("could not open directory : \"" << m_folder << "\"");
 	}
-	myListFile->endGenerating();
+	myListFile->EndGenerating();
+	myListFolder->EndGenerating();
 	MarkToReedraw();
 }