registry.py 文件源码

def EnumKey(key, index):
    """This calls the Windows RegEnumKeyEx function in a Unicode safe way."""
    buf = ctypes.create_unicode_buffer(257)
    length = ctypes.wintypes.DWORD(257)
    rc = RegEnumKeyEx(key.handle, index, ctypes.cast(buf, ctypes.c_wchar_p),
                      ctypes.byref(length), LPDWORD(), ctypes.c_wchar_p(),
                      LPDWORD(), ctypes.POINTER(FileTime)())
    if rc != 0:
        raise ctypes.WinError(2)

    return ctypes.wstring_at(buf, length.value).rstrip(u"\x00")