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我想创建 Outlook 2010 的加载项以将所选邮件的 Message-Id 标头发送到我的应用程序,如何访问 Outlook 2010 邮件项中的 Message-ID 标头?
使用读取PR_INTERNET_MESSAGE_ID属性(DASL 名称http://schemas.microsoft.com/mapi/proptag/0x1035001F)MailItem.PropertyAccessor.GetProperty()。
PR_INTERNET_MESSAGE_ID
http://schemas.microsoft.com/mapi/proptag/0x1035001F
MailItem.PropertyAccessor.GetProperty()