hWnd = CreateWindow(szAppName, szAppName,
                      WS_EX_LAYERED | WS_EX_TRANSPARENT |
                      WS_EX_TOOLWINDOW | WS_EX_TOPMOST |
              WS_POPUP | WS_VISIBLE , 0, 0, 200, 200,
              0, 0, 0, 0);