MimeKit.MimeMessage.ReferencesChanged C# (CSharp) Method

		void ReferencesChanged (object o, EventArgs e)
		{
			if (references.Count > 0) {
				int lineLength = "References".Length + 1;
				var options = FormatOptions.Default;
				var builder = new StringBuilder ();

				for (int i = 0; i < references.Count; i++) {
					if (i > 0 && lineLength + references[i].Length + 2 >= options.MaxLineLength) {
						builder.Append (options.NewLine);
						builder.Append ('\t');
						lineLength = 1;
					} else {
						builder.Append (' ');
						lineLength++;
					}

					lineLength += references[i].Length;
					builder.Append ("<" + references[i] + ">");
				}

				builder.Append (options.NewLine);

				var raw = Encoding.UTF8.GetBytes (builder.ToString ());

				ReplaceHeader (HeaderId.References, "References", raw);
			} else {
				RemoveHeader (HeaderId.References);
			}
		}