取得或设定值，指出电子邮件撰写标题和信封工具列是否皆为可见。
Gets or sets a value that indicates whether thee-mail composition header and the envelope toolbar are both visible.
我可以通过电子邮件撰写编辑、并交出我的文章，在网上与我的同事聊天，与老板讨论我的工作。
I can write, submit and edit articles via email, chat with my colleagues on line and discuss work with my boss.
这让用户能够运用手指操作菜单、拨号、挑选音乐或撰写电子邮件。
This allows you to use your fingers to operate the menus, dial, select music or write an E-mail.
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