private void SetContent(bool allowUnicode)
{
//the attachments may have changed, so we need to reset the message
if (_bodyView != null)
{
_bodyView.Dispose();
_bodyView = null;
}
if (AlternateViews.Count == 0 && Attachments.Count == 0)
{
if (!string.IsNullOrEmpty(_body))
{
_bodyView = AlternateView.CreateAlternateViewFromString(_body, _bodyEncoding, (_isBodyHtml ? MediaTypeNames.Text.Html : null));
_message.Content = _bodyView.MimePart;
}
}
else if (AlternateViews.Count == 0 && Attachments.Count > 0)
{
MimeMultiPart part = new MimeMultiPart(MimeMultiPartType.Mixed);
if (!string.IsNullOrEmpty(_body))
{
_bodyView = AlternateView.CreateAlternateViewFromString(_body, _bodyEncoding, (_isBodyHtml ? MediaTypeNames.Text.Html : null));
}
else
{
_bodyView = AlternateView.CreateAlternateViewFromString(string.Empty);
}
part.Parts.Add(_bodyView.MimePart);
foreach (Attachment attachment in Attachments)
{
if (attachment != null)
{
//ensure we can read from the stream.
attachment.PrepareForSending(allowUnicode);
part.Parts.Add(attachment.MimePart);
}
}
_message.Content = part;
}
else
{
// we should not unnecessarily use Multipart/Mixed
// When there is no attachement and all the alternative views are of "Alternative" types.
MimeMultiPart?part = null;
MimeMultiPart viewsPart = new MimeMultiPart(MimeMultiPartType.Alternative);
if (!string.IsNullOrEmpty(_body))
{
_bodyView = AlternateView.CreateAlternateViewFromString(_body, _bodyEncoding, null);
viewsPart.Parts.Add(_bodyView.MimePart);
}
foreach (AlternateView view in AlternateViews)
{
//ensure we can read from the stream.
if (view != null)
{
view.PrepareForSending(allowUnicode);
if (view.LinkedResources.Count > 0)
{
MimeMultiPart wholeView = new MimeMultiPart(MimeMultiPartType.Related);
wholeView.ContentType.Parameters["type"] = view.ContentType.MediaType;
wholeView.ContentLocation = view.MimePart.ContentLocation;
wholeView.Parts.Add(view.MimePart);
foreach (LinkedResource resource in view.LinkedResources)
{
//ensure we can read from the stream.
resource.PrepareForSending(allowUnicode);
wholeView.Parts.Add(resource.MimePart);
}
viewsPart.Parts.Add(wholeView);
}
else
{
viewsPart.Parts.Add(view.MimePart);
}
}
}
if (Attachments.Count > 0)
{
part = new MimeMultiPart(MimeMultiPartType.Mixed);
part.Parts.Add(viewsPart);
MimeMultiPart attachmentsPart = new MimeMultiPart(MimeMultiPartType.Mixed);
foreach (Attachment attachment in Attachments)
{
if (attachment != null)
{
//ensure we can read from the stream.
attachment.PrepareForSending(allowUnicode);
attachmentsPart.Parts.Add(attachment.MimePart);
}
}
part.Parts.Add(attachmentsPart);
_message.Content = part;
}
// If there is no Attachement, AND only "1" Alternate View AND !!no body!!
// then in fact, this is NOT a multipart region.
else if (viewsPart.Parts.Count == 1 && string.IsNullOrEmpty(_body))
{
_message.Content = viewsPart.Parts[0];
}
else
{
_message.Content = viewsPart;
}
}
if (_bodyView != null && _bodyTransferEncoding != TransferEncoding.Unknown)
{
_bodyView.TransferEncoding = _bodyTransferEncoding;
}
}
private void SetContent()
{
if (this.bodyView != null)
{
this.bodyView.Dispose();
this.bodyView = null;
}
if ((this.AlternateViews.Count == 0) && (this.Attachments.Count == 0))
{
if ((this.body != null) && (this.body != string.Empty))
{
this.bodyView = AlternateView.CreateAlternateViewFromString(this.body, this.bodyEncoding, this.isBodyHtml ? "text/html" : null);
this.message.Content = this.bodyView.MimePart;
}
}
else if ((this.AlternateViews.Count == 0) && (this.Attachments.Count > 0))
{
MimeMultiPart part = new MimeMultiPart(MimeMultiPartType.Mixed);
if ((this.body != null) && (this.body != string.Empty))
{
this.bodyView = AlternateView.CreateAlternateViewFromString(this.body, this.bodyEncoding, this.isBodyHtml ? "text/html" : null);
}
else
{
this.bodyView = AlternateView.CreateAlternateViewFromString(string.Empty);
}
part.Parts.Add(this.bodyView.MimePart);
foreach (Attachment attachment in this.Attachments)
{
if (attachment != null)
{
attachment.PrepareForSending();
part.Parts.Add(attachment.MimePart);
}
}
this.message.Content = part;
}
else
{
MimeMultiPart part2 = null;
MimeMultiPart part3 = new MimeMultiPart(MimeMultiPartType.Alternative);
if ((this.body != null) && (this.body != string.Empty))
{
this.bodyView = AlternateView.CreateAlternateViewFromString(this.body, this.bodyEncoding, null);
part3.Parts.Add(this.bodyView.MimePart);
}
foreach (AlternateView view in this.AlternateViews)
{
if (view != null)
{
view.PrepareForSending();
if (view.LinkedResources.Count > 0)
{
MimeMultiPart item = new MimeMultiPart(MimeMultiPartType.Related);
item.ContentType.Parameters["type"] = view.ContentType.MediaType;
item.ContentLocation = view.MimePart.ContentLocation;
item.Parts.Add(view.MimePart);
foreach (LinkedResource resource in view.LinkedResources)
{
resource.PrepareForSending();
item.Parts.Add(resource.MimePart);
}
part3.Parts.Add(item);
}
else
{
part3.Parts.Add(view.MimePart);
}
}
}
if (this.Attachments.Count > 0)
{
part2 = new MimeMultiPart(MimeMultiPartType.Mixed)
{
Parts = { part3 }
};
MimeMultiPart part5 = new MimeMultiPart(MimeMultiPartType.Mixed);
foreach (Attachment attachment2 in this.Attachments)
{
if (attachment2 != null)
{
attachment2.PrepareForSending();
part5.Parts.Add(attachment2.MimePart);
}
}
part2.Parts.Add(part5);
this.message.Content = part2;
}
else if ((part3.Parts.Count == 1) && ((this.body == null) || (this.body == string.Empty)))
{
this.message.Content = part3.Parts[0];
}
else
{
this.message.Content = part3;
}
}
}
