1 files changed, 3 insertions, 1 deletions
diff --git a/c/common.h b/c/common.h
index 515c75c..2b3c331 100644
--- a/c/common.h
+++ b/c/common.h
@@ -16,9 +16,11 @@ struct Win32Error : public std::exception
 	Win32Error(DWORD dwErr);
 	~Win32Error();
 	virtual const char* what() const noexcept override;
+	virtual const TCHAR* twhat() const noexcept;
 private:
 	DWORD m_dwErr;
-	char* const m_szMsg = NULL;
+	char* m_szMsg = NULL;
+	wchar_t* m_wszMsg = NULL;
 };
 
 struct Library