/// <summary>
/// Write the string value to the destiation.
/// Used for direct content
/// </summary>
/// <param name="value"></param>
private void writeText(string value)
{
if (RtfParser.IsNewGroup())
{
_rtfDoc.Add(new RtfDirectContent("{"));
RtfParser.SetNewGroup(false);
}
if (value.Length > 0)
{
_rtfDoc.Add(new RtfDirectContent(value));
}
}