EmailMessage.Attachment.EmbeddedMessage.MimeDocument为null - 为什么？ [英] EmailMessage.Attachment.EmbeddedMessage.MimeDocument is null - why?

问题描述

在传输处理程序（SubmittedMessageEventHandler）中处理MailItem时，可以使用.Attachments集合轻松访问附件：

When processing a MailItem in a transport handler (SubmittedMessageEventHandler) attachments can easily be accessed using the .Attachments collection:

< td style ="background-color：rgb（247,247,247）"> {

foreach （附件附件 myEmailMessage.Attachments）

...

foreach(Attachment attachment in myEmailMessage.Attachments)

{

...

推荐答案

我最近碰到了这个。我通过首先检查附件实例的.MimePart.IsEmbeddedMessage属性来处理它，然后（如果这是真的），在附件实例上调用.GetContentReadStream（）并将返回的流传递给EmailMessage.Create（）。您应该能够从生成的EmailMessage实例中获取您想要的内容。

I ran into this recently.  I handled it by first checking the attachment instance's .MimePart.IsEmbeddedMessage property, then (if that was true), calling .GetContentReadStream() on the attachment instance and passing the returned stream to EmailMessage.Create(). You should be able to get what you're going for from the resulting EmailMessage instance.

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