/// <summary>
/// Encode the file for inclusion as a mime attachment.
/// The boundaries are not provided.
/// </summary>
/// <returns></returns>
public String ToMime()
{
StringBuilder sb = new StringBuilder();
if (ContentId != null)
{
sb.Append("Content-ID: <" + ContentId + ">\r\n");
}
sb.Append("Content-Type: " + mimeType + ";\r\n");
sb.Append(" name=\"" + MailEncoder.ConvertToQP(name, null) + "\"\r\n");
sb.Append("Content-Transfer-Encoding: " + encoding + "\r\n");
sb.Append("Content-Disposition: attachment;\r\n");
sb.Append(" filename=\"" + MailEncoder.ConvertToQP(name, null) + "\"\r\n\r\n");
FileStream fin = new FileStream(encodedFilePath, FileMode.Open, FileAccess.Read);
byte[] bin;
while (fin.Position != fin.Length)
{
bin = new byte[76];
int len = fin.Read(bin, 0, 76);
sb.Append(System.Text.Encoding.UTF8.GetString(bin, 0, len) + "\r\n");
}
fin.Close();
return(sb.ToString());
}
private string GetTextMessageBody(string messageBody, string textType)
{
StringBuilder sb = new StringBuilder();
sb.Append("Content-Type: " + textType + ";\r\n");
sb.Append(" charset=\"" + charset + "\"\r\n");
sb.Append("Content-Transfer-Encoding: quoted-printable\r\n\r\n");
sb.Append(MailEncoder.ConvertToQP(messageBody, charset));
return(sb.ToString());
}