问C# / .NET (VS 2008)对Outlook (2007)的提问

EN

using System.Net;
using System.Net.Mime;
using System.Net.Mail;

...
...

public static void CreateMessageWithAttachment(string server)
{
    // Specify the file to be attached and sent
    string file = @"C:\Temp\data.xls";


    // Create a message and set up the recipients.
    MailMessage message = new MailMessage(
           "from@gmail.com",
           "to@gmail.com",
           "Subject: Email message with attachment.",
           "Body: See the attached spreadsheet.");


    // Create the file attachment for this e-mail message.
    Attachment data = new Attachment(file, MediaTypeNames.Application.Octet);


    // Add time stamp information for the file.
    ContentDisposition disposition = data.ContentDisposition;
    disposition.CreationDate = System.IO.File.GetCreationTime(file);
    disposition.ModificationDate = System.IO.File.GetLastWriteTime(file);
    disposition.ReadDate = System.IO.File.GetLastAccessTime(file);


    // Add the file attachment...
    message.Attachments.Add(data);


    SmtpClient client = new SmtpClient(server);


    // Add credentials if the SMTP server requires them.
    client.Credentials = CredentialCache.DefaultNetworkCredentials;


    try
    {
        client.Send(message);
    }
    catch (Exception ex)
    {
        Console.WriteLine("CreateMessageWithAttachment() Exception: {0}",
              ex.ToString());
        throw;
    }

}

/// <summary>
/// The MAPISendMail function sends a message.
///
/// This function differs from the MAPISendDocuments function in that it allows greater
/// flexibility in message generation.
/// </summary>
[DllImport("MAPI32.DLL", CharSet=CharSet.Ansi)]
public static extern uint MAPISendMail(IntPtr lhSession, IntPtr ulUIParam,
MapiMessage lpMessage, uint flFlags, uint ulReserved);