public override string SerializeToString(object obj)
{
IAttachment a = obj as IAttachment;
if (a != null)
{
if (a.Uri != null)
{
if (a.Parameters.ContainsKey("VALUE"))
{
// Ensure no VALUE type is provided
a.Parameters.Remove("VALUE");
}
return(Encode(a, a.Uri.OriginalString));
}
else if (a.Data != null)
{
// Ensure the VALUE type is set to BINARY
a.SetValueType("BINARY");
// BASE64 encoding for BINARY inline attachments.
a.Parameters.Set("ENCODING", "BASE64");
return(Encode(a, a.Data));
}
}
return(null);
}