diff --git a/PowerEditor/src/Parameters.cpp b/PowerEditor/src/Parameters.cpp
index e9a90a602..400959e66 100644
--- a/PowerEditor/src/Parameters.cpp
+++ b/PowerEditor/src/Parameters.cpp
@@ -1820,7 +1820,7 @@ int NppParameters::addUserLangToEnd(const UserLangContainer & userLang, const TC
 		return -1;
 	_userLangArray[_nbUserLang] = new UserLangContainer();
 	*(_userLangArray[_nbUserLang]) = userLang;
-	lstrcpy(_userLangArray[_nbUserLang]->_name, newName);
+	_userLangArray[_nbUserLang]->_name = newName;
 	_nbUserLang++;
 	return _nbUserLang-1;
 }
diff --git a/PowerEditor/src/Parameters.h b/PowerEditor/src/Parameters.h
index cb430242e..335f26713 100644
--- a/PowerEditor/src/Parameters.h
+++ b/PowerEditor/src/Parameters.h
@@ -708,25 +708,15 @@ friend class UserDefineDialog;
 
 public :
 	UserLangContainer(){
-		lstrcpy(_name, TEXT("new user define"));
-		_ext[0] = '\0';
+		_name = TEXT("new user define");
+		_ext = TEXT("");
 
 		// Keywords list of Delimiters (index 0)
 		lstrcpy(_keywordLists[0], TEXT("000000"));
 		for (int i = 1 ; i < nbKeywodList ; i++)
 			*_keywordLists[i] = '\0';
 	};
-	UserLangContainer(const TCHAR *name, const TCHAR *ext){
-		//si le nom est trop long, on le tranche!
-		//int minSize = ((sizeof(_name) - 1) < lstrlen(name))?(sizeof(_name) - 1):lstrlen(name);
-		int minSize = min(langNameLenMax-1, lstrlen(_name));
-		int i = 0;
-		for ( ; i < minSize ; i++)
-			_name[i] = name[i];
-		_name[i] = '\0';
-
-		lstrcpy(_ext, ext);
-
+	UserLangContainer(const TCHAR *name, const TCHAR *ext) : _name(name), _ext(ext) {
 		// Keywords list of Delimiters (index 0)
 		lstrcpy(_keywordLists[0], TEXT("000000"));
 		for (int j = 1 ; j < nbKeywodList ; j++)
@@ -736,8 +726,8 @@ public :
 	UserLangContainer & operator=(const UserLangContainer & ulc) {
 		if (this != &ulc)
         {
-			lstrcpy(this->_name, ulc._name);
-			lstrcpy(this->_ext, ulc._ext);
+			this->_name = ulc._name;
+			this->_ext = ulc._ext;
 			this->_isCaseIgnored = ulc._isCaseIgnored;
 			this->_styleArray = ulc._styleArray;
 			int nbStyler = this->_styleArray.getNbStyler();
@@ -756,11 +746,13 @@ public :
 	};
 
 	int getNbKeywordList() {return nbKeywodList;};
-	TCHAR * getName() {return _name;};
+	const TCHAR * getName() {return _name.c_str();};
 
 private:
-	TCHAR _name[langNameLenMax];
-	TCHAR _ext[extsLenMax];
+	//TCHAR _name[langNameLenMax];
+	//TCHAR _ext[extsLenMax];
+	generic_string _name;
+	generic_string _ext;
 
 	StyleArray _styleArray;
 	TCHAR _keywordLists[nbKeywodList][max_char];
@@ -913,7 +905,7 @@ public:
 	UserLangContainer & getULCFromIndex(int i) {return *_userLangArray[i];};
 	UserLangContainer * getULCFromName(const TCHAR *userLangName) {
 		for (int i = 0 ; i < _nbUserLang ; i++)
-			if (!lstrcmp(userLangName, _userLangArray[i]->_name))
+			if (!lstrcmp(userLangName, _userLangArray[i]->_name.c_str()))
 				return _userLangArray[i];
 		//qui doit etre jamais passer
 		return NULL;
@@ -946,7 +938,7 @@ public:
 
 		for (int i = 0 ; i < _nbUserLang ; i++)
 		{
-			if (!lstrcmp(_userLangArray[i]->_name, newName))
+			if (!lstrcmp(_userLangArray[i]->_name.c_str(), newName))
 				return true;
 		}
 		return false;
@@ -959,10 +951,10 @@ public:
 		for (int i = 0 ; i < _nbUserLang ; i++)
 		{
 			vector<generic_string> extVect;
-			cutString(_userLangArray[i]->_ext, extVect);
+			cutString(_userLangArray[i]->_ext.c_str(), extVect);
 			for (size_t j = 0 ; j < extVect.size() ; j++)
 				if (!generic_stricmp(extVect[j].c_str(), ext))
-					return _userLangArray[i]->_name;
+					return _userLangArray[i]->_name.c_str();
 		}
 		return NULL;
 	};
diff --git a/PowerEditor/src/ScitillaComponent/UserDefineDialog.cpp b/PowerEditor/src/ScitillaComponent/UserDefineDialog.cpp
index 745d87468..7b48877e7 100644
--- a/PowerEditor/src/ScitillaComponent/UserDefineDialog.cpp
+++ b/PowerEditor/src/ScitillaComponent/UserDefineDialog.cpp
@@ -1179,7 +1179,7 @@ void UserDefineDialog::enableLangAndControlsBy(int index)
 {
 	_pUserLang = (index == 0)?_pCurrentUserLang:&((NppParameters::getInstance())->getULCFromIndex(index - 1));
 	if (index != 0)
-		::SetWindowText(::GetDlgItem(_hSelf, IDC_EXT_EDIT), _pUserLang->_ext);
+		::SetWindowText(::GetDlgItem(_hSelf, IDC_EXT_EDIT), _pUserLang->_ext.c_str());
 
 	::ShowWindow(::GetDlgItem(_hSelf, IDC_EXT_STATIC), (index == 0)?SW_HIDE:SW_SHOW);
 	::ShowWindow(::GetDlgItem(_hSelf, IDC_EXT_EDIT), (index == 0)?SW_HIDE:SW_SHOW);
@@ -1322,7 +1322,7 @@ BOOL CALLBACK UserDefineDialog::run_dlgProc(UINT message, WPARAM wParam, LPARAM
 		{
             if (HIWORD(wParam) == EN_CHANGE)
             {
-				::SendDlgItemMessage(_hSelf, IDC_EXT_EDIT, WM_GETTEXT, extsLenMax, (LPARAM)(_pUserLang->_ext));
+				::SendDlgItemMessage(_hSelf, IDC_EXT_EDIT, WM_GETTEXT, extsLenMax, (LPARAM)(_pUserLang->_ext.c_str()));
                 return TRUE;
             }
             else if (HIWORD(wParam) == CBN_SELCHANGE)
@@ -1429,7 +1429,7 @@ BOOL CALLBACK UserDefineDialog::run_dlgProc(UINT message, WPARAM wParam, LPARAM
 							
 							//rename current language name in userLangArray
 							UserLangContainer & userLangContainer = pNppParam->getULCFromIndex(i-1);
-							lstrcpy(userLangContainer._name, newName);
+							userLangContainer._name = newName;
 
 							//rename current language name in langMenu
 							HWND hNpp = ::GetParent(_hSelf);