-        size_t len = m_filenames[i].Len();
-        memcpy(pbuf, m_filenames[i], len*sizeof(wxChar));
-        pbuf += len;
-        *pbuf++ = wxT('\0');
+        size_t len;
+#if wxUSE_UNICODE_MSLU
+        if ( sizeOfChar == sizeof(char) )
+        {
+            wxCharBuffer buf(m_filenames[i].mb_str(*wxConvFileName));
+            len = strlen(buf);
+            memcpy(pbuf, buf, len*sizeOfChar);
+        }
+        else
+#endif // wxUSE_UNICODE_MSLU
+        {
+            len = m_filenames[i].length();
+            memcpy(pbuf, m_filenames[i].wx_str(), len*sizeOfChar);
+        }
+
+        pbuf += len*sizeOfChar;
+
+        memset(pbuf, 0, sizeOfChar);
+        pbuf += sizeOfChar;