'C# - How to include Outlook signature in an email that contains images?

Here is my code to send the email in Outlook 2013:

public void GenerateEmail(OutEmail outEmail)
{
    var objOutlook = new Application();
    var mailItem = (MailItem)(objOutlook.CreateItem(OlItemType.olMailItem));
    mailItem.To = outEmail.SendTo;
    mailItem.Subject = outEmail.Subject;

    mailItem.RTFBody = outEmail.Body + outEmail.Signature;
    mailItem.Attachments.Add(outEmail.Attachment);

    Outlook.Account account = objOutlook.Session.Accounts["[email protected]"];
    mailItem.SendUsingAccount = account;
    mailItem.Send();
    Console.WriteLine("done");
}

Now, outEmail.Signature contains the HTML of the Outlook signature as a string, found at: C:\Users\SO\AppData\Roaming\Microsoft\Signatures It formats the signature correctly apart from including the images. How can I include the signature with images such that I can create a new signature in Outlook and can include it within the e-mail WITHOUT needing an end user to edit the signature HTML. I don't mind doing it programmatically but I would need to be sure that it would work for all signatures that could be potentially added.

EDIT: Possible solution? In the HTML, find instances of the img tag and remove the {SignatureName}_FILES\ and then attach everything inside the {SignatureName}_FILES\ folder to the email?

Cheers.

c++sharpoutlook


Solution 1:[1]

try below mentioned

mailItem.GetInspector.Activate();
var signature = mailItem.HTMLBody;
mailItem.HTMLBody = EmailBody + signature;

Solution 2:[2]

Outlook inserts the signature when you call MailItem.Display or access MailItem.GetInspector (you do not have to do anything with the returned object).

If you want to programmatically insert a signature, Redemption (I am its author) exposes RDOSignature object which implements ApplyTo method.

UPDATE: as of the latest (Summer 2017) builds of Outlook, GetInspector trick no longer works. Now only MailItem.Display adds the signature to an unmodified message.

Sources

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Source: Stack Overflow

Solution Source
Solution 1 user2538359
Solution 2

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