private void WriteSection(string header, FullFileBuffer buffer)
{
if (header == null) return;
if(!String.IsNullOrEmpty(header))
buffer.Append("[{0}]".format(header));
var section = _map[header];
if(section == null) return;
foreach (var key in section.Keys)
{
var value = section[key];
buffer.Append("{0}{1}{2}".format(key, _delim, value));
}
buffer.Append("");
}
