1.Typically , you save this handle and later reassociate it with the window when you no longer want to use your own input context.
通常，你需要保存这个句柄（默认句柄），当你不想再使用自己的输入上下文时，再把它与窗口重新关联上。
2.If Exchange 2000 or later was used, reassociate the deleted user with the Exchange mailbox.
如果使用Exchange2000或更高版本，请重新关联已删除用户和Exchange邮箱。
3.Open and close Excel to rewrite all registry keys and reassociate Excel with all Excel files, such as workbooks and charts
打开和关闭Excel以重写所有注册表项并将Excel与所有Excel文件（如工作簿和图表）重新关联