structures.py 文件源码

def __str__(self):
        s = ctypes.c_wchar_p()
        ret = _ole32.StringFromCLSID(ctypes.byref(self), ctypes.byref(s))
        if ret < 0:
            err_no = ctypes.GetLastError()
            raise WindowsError(err_no, ctypes.FormatError(err_no))
        ret = str(s.value)
        _ole32.CoTaskMemFree(s)
        return ret