private int IsAttachmentModified(IMailAttachment attachment)
{
if (attachment.IsModified == null)
{
// This means that the document was sent from another machine
// with the same account and has no tracking information stored on this computer
if ((_item != null) && (_item is IMail))
{
Mail mailItem = _item as Mail;
IMailAttachment ma = mailItem[attachment.FileName];
if (ma == null)
{
ma = mailItem[attachment.TrackingId];
}
if (ma != null)
{
if (string.Compare(ma.CheckSum, attachment.CheckSum) == 0)
{
return -1;
}
else
{
return 0;
}
}
}
else if ((_item != null) && (_item is IMailAttachment))
{
if (string.Compare((_item as IMailAttachment).CheckSum, attachment.CheckSum) == 0)
{
return -1;
}
else
{
return 0;
}
}
return -1;
}
if (attachment.IsModified == true)
{
return 0;
}
return -1;
}
public void RemoveAttachment(IMailAttachment attachment)
{
attachements.Remove(attachment);
}
public void AddAttachment(IMailAttachment attachment)
{
attachements.Add(attachment);
}
