/// <summary>
/// Use seperate function to handle embedded message attachment, as
/// Redemption.Attachment.SaveAsFile will incorrectly save Unicode subject line and
/// Unicode attachment file name into Ansi.
/// </summary>
/// <param name="embeddeditem"></param>
/// <returns></returns>
private Attachment GetAttachment(Redemption.MessageItem embeddeditem)
{
using (new ComRelease(embeddeditem))
{
string temp = LocalFileManager.GetLocalCopyOfFileTarget(embeddeditem.Subject);
DeleteFile(temp);
temp = Path.ChangeExtension(temp, MsgExtension);
embeddeditem.SaveAs(temp, OlSaveAsType.olMSGUnicode);
_unpackedTempCopies.Add(temp);
// Use the subject field as the attachment name for embedded items.
// NB this does NOT have a file extension, and this code should be kept
// in line with that used to add attachments via the object model
// for Office 2010 - see OOMWSMailAttachmentTransform.
string attname = embeddeditem.Subject;
attname = LocalCopyOfFileManager.GetValidFileName_excl_invalid_chars(attname);
if (string.IsNullOrEmpty(attname) || string.IsNullOrEmpty(attname.Trim()))
{
attname = UntitledAttachmentTitle;
}
var attachment = new Attachment(new FCS.Lite.Interface.File(temp, attname), string.Empty,
Guid.NewGuid().ToString(), string.Empty, false)
{
Properties = new[] { new CustomProperty(PropertyNames.LocalFileName, temp) }
};
return attachment;
}
}
