private static void SetField(Object m, String name, String value)
{
_helper.SetProp(m, "Fields", "urn:schemas:mailheader:" + name, value);
Object fields = _helper.GetProp(m, "Fields");
LateBoundAccessHelper.CallMethodStatic(fields, "Update", new Object[0]);
Marshal.ReleaseComObject(fields);
}
internal static void Send(MailMessage message)
{
// create message object
Object m = _helper.CreateInstance();
// set properties
if (message.From != null)
{
_helper.SetProp(m, "From", message.From);
}
if (message.To != null)
{
_helper.SetProp(m, "To", message.To);
}
if (message.Cc != null)
{
_helper.SetProp(m, "Cc", message.Cc);
}
if (message.Bcc != null)
{
_helper.SetProp(m, "Bcc", message.Bcc);
}
if (message.Subject != null)
{
_helper.SetProp(m, "Subject", message.Subject);
}
if (message.Priority != MailPriority.Normal)
{
String importance = null;
switch (message.Priority)
{
case MailPriority.Low: importance = "low"; break;
case MailPriority.Normal: importance = "normal"; break;
case MailPriority.High: importance = "high"; break;
}
if (importance != null)
{
SetField(m, "importance", importance);
}
}
if (message.BodyEncoding != null)
{
Object body = _helper.GetProp(m, "BodyPart");
LateBoundAccessHelper.SetPropStatic(body, "Charset", message.BodyEncoding.BodyName);
Marshal.ReleaseComObject(body);
}
if (message.UrlContentBase != null)
{
SetField(m, "content-base", message.UrlContentBase);
}
if (message.UrlContentLocation != null)
{
SetField(m, "content-location", message.UrlContentLocation);
}
int numHeaders = message.Headers.Count;
if (numHeaders > 0)
{
IDictionaryEnumerator e = message.Headers.GetEnumerator();
while (e.MoveNext())
{
SetField(m, (String)e.Key, (String)e.Value);
}
}
if (message.Body != null)
{
if (message.BodyFormat == MailFormat.Html)
{
_helper.SetProp(m, "HtmlBody", message.Body);
}
else
{
_helper.SetProp(m, "TextBody", message.Body);
}
}
for (IEnumerator e = message.Attachments.GetEnumerator(); e.MoveNext();)
{
MailAttachment a = (MailAttachment)e.Current;
Object bodyPart = _helper.CallMethod(m, "AddAttachment", new Object[3] {
a.Filename, null, null
});
if (a.Encoding == MailEncoding.UUEncode)
{
_helper.SetProp(m, "MimeFormatted", false);
}
if (bodyPart != null)
{
Marshal.ReleaseComObject(bodyPart);
}
}
// optional SMTP server
String server = SmtpMail.SmtpServer;
if (server.Length == 0)
{
server = null;
}
if (server != null || message.Fields.Count > 0)
{
Object config = LateBoundAccessHelper.GetPropStatic(m, "Configuration");
if (config != null)
{
if (server != null)
{
LateBoundAccessHelper.SetPropStatic(config, "Fields", "http://schemas.microsoft.com/cdo/configuration/sendusing", (Object)2);
LateBoundAccessHelper.SetPropStatic(config, "Fields", "http://schemas.microsoft.com/cdo/configuration/smtpserver", server);
LateBoundAccessHelper.SetPropStatic(config, "Fields", "http://schemas.microsoft.com/cdo/configuration/smtpserverport", (Object)25);
}
foreach (DictionaryEntry e in message.Fields)
{
LateBoundAccessHelper.SetPropStatic(config, "Fields", (String)e.Key, e.Value);
}
Object fields = LateBoundAccessHelper.GetPropStatic(config, "Fields");
LateBoundAccessHelper.CallMethodStatic(fields, "Update", new Object[0]);
Marshal.ReleaseComObject(fields);
Marshal.ReleaseComObject(config);
}
}
// send mail
_helper.CallMethod(m, "Send", new Object[0]);
// close unmanaged COM classic component
Marshal.ReleaseComObject(m);
}
