如何从资源文件夹中添加图像作为附件并嵌入到C#中的Outlook邮件正文中 [英] How to add images from resources folder as attachment and embed into outlook mail body in C#
问题描述
我在Visual Studio项目的Resources文件夹中存储了一些图像，我必须加载它们并在Outlook邮件正文中显示.这是代码:
I have a couple of images stored in visual studio project Resources folder, and I have to load them and display on the outlook mail body. Here it is the code:
Bitmap b = new Bitmap(Properties.Resources.MyImage);
ImageConverter ic = new ImageConverter();
Byte[] ba = (Byte[])ic.ConvertTo(b, typeof(Byte[]));
MemoryStream logo = new MemoryStream(ba);
LinkedResource companyImage = new LinkedResource(logo);
companyImage.ContentId = "companyLogo";
mailitem.HTMLBody += "<img src=\"cid:companyLogo\">";
但是，它不能显示在邮件正文上，而只能显示带有红色x的空白框".你能给我一些想法吗?
However, it cannot display on the mail body but a ‘empty box with red x’. Can you give me some ideas?
推荐答案
创建附件并设置PR_ATTACH_CONTENT_ID属性(DASL名称为" http://schemas.microsoft.com/mapi/proptag/0x3712001F )，使用Attachment.PropertyAccessor.
Create an attachment and set the PR_ATTACH_CONTENT_ID property (DASL name "http://schemas.microsoft.com/mapi/proptag/0x3712001F") using Attachment.PropertyAccessor.
您的HTML正文(MailItem.HTMLBody属性)随后将需要通过cid引用该图像附件:
Your HTML body (MailItem.HTMLBody property) would then need to reference that image attachment through the cid:
img src ="cid:xyz"
img src="cid:xyz"
其中xyz是PR_ATTACH_CONTENT_ID属性的值.
where xyz is the value of the PR_ATTACH_CONTENT_ID property.
使用 OutlookSpy 查看现有邮件(单击IMessage按钮).
Look at an existing message with OutlookSpy (click IMessage button).
attachment = mailitem.Attachments.Add("c:\temp\MyPicture.jpg")
attachment.PropertyAccessor.SetProperty("http://schemas.microsoft.com/mapi/proptag/0x3712001F", "MyId1")
mailitem.HTMLBody = "<html><body>Test image <img src=""cid:MyId1""></body></html>"
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