public ExpressionMemberValueDescription(ExpressionMemberValueType type,
                                         ExpressionMemberValueBehaviorInXml behavior, ExpressionMemberValueEditor editor,
                                         object min           = null, object max      = null,
                                         string quoteLeft     = "", string quoteRight = " ",
                                         string defaultIfNull = null)
 {
     Type          = type;
     BehaviorInXml = behavior;
     Editor        = editor;
     Min           = min;
     Max           = max;
     QuoteLeft     = quoteLeft;
     QuoteRight    = quoteRight;
     DefaultIfNull = defaultIfNull;
 }
 public ExpressionMemberValueDescription(ExpressionMemberValueType type, 
     ExpressionMemberValueBehaviorInXml behavior, ExpressionMemberValueEditor editor, 
     object min = null, object max = null, 
     string quoteLeft = "", string quoteRight = " ", 
     string defaultIfNull = null)
 {
     Type			= type;
     BehaviorInXml	= behavior;
     Editor			= editor;
     Min				= min;
     Max				= max;
     QuoteLeft		= quoteLeft;
     QuoteRight		= quoteRight;
     DefaultIfNull	= defaultIfNull;
 }