Index: src/libictranslate/LanguageDialog.h
===================================================================
diff -u -N -rcb4e9d4b60d62b25ae2cf556c0642601af56c787 -r44a2ec5f1eb0a435b56daef42ef5fe3b7a91da0d
--- src/libictranslate/LanguageDialog.h	(.../LanguageDialog.h)	(revision cb4e9d4b60d62b25ae2cf556c0642601af56c787)
+++ src/libictranslate/LanguageDialog.h	(.../LanguageDialog.h)	(revision 44a2ec5f1eb0a435b56daef42ef5fe3b7a91da0d)
@@ -179,6 +179,9 @@
 	explicit CLanguageDialog(bool* pLock=NULL);
 	CLanguageDialog(PCTSTR lpszTemplateName, CWnd* pParent = NULL, bool* pLock=NULL);   // standard constructor
 	CLanguageDialog(UINT uiIDTemplate, CWnd* pParent = NULL, bool* pLock=NULL);   // standard constructor
+	CLanguageDialog(const CLanguageDialog&) = delete;
+
+	CLanguageDialog& operator=(const CLanguageDialog&) = delete;
 	
 	~CLanguageDialog();