case WXK_ESCAPE: key = SCK_ESCAPE; break;
case WXK_BACK: key = SCK_BACK; break;
case WXK_TAB: key = SCK_TAB; break;
+ case WXK_NUMPAD_ENTER: // fall through
case WXK_RETURN: key = SCK_RETURN; break;
case WXK_ADD: // fall through
case WXK_NUMPAD_ADD: key = SCK_ADD; break;