MimePartIsMessageInside Property
Indicates whether the MIME part is an encapsulated mail message.

Namespace: MailBee.Mime
Assembly: MailBee.NET (in MailBee.NET.dll) Version: 11.2.0 build 590 for .NET 4.5
Syntax
public bool IsMessageInside { get; }

Property Value

Type: Boolean
true if the MIME part is a mail message; otherwise, false.
Remarks

See Attachment.GetEncapsulatedMessage for more information.

Examples
This sample loads the message from .EML file and displays the number of encapsulated mail messages. It does not count, however, any encapsulated messages which may reside within other encapsulated messages (multiple messages nested within each other).
// To use the code below, import MailBee namespaces at the top of your code.
using MailBee;
using MailBee.Mime;

// The actual code (put it into a method of your class).
int innerMessageCount = 0;
MailMessage msg = new MailMessage();
msg.LoadMessage(@"C:\Docs\TestMail.eml");
foreach (MimePart part in msg.MimePartTree.GetAllParts())
{
    if (part.IsMessageInside)
    {
        innerMessageCount++;
    }
}
Console.WriteLine("Number of inner messages: " + innerMessageCount.ToString());
See Also