public FieldControler(Expression <Func <ParentType, FieldType> > Field)
{
this.Field = typeof(ParentType).GetField(((MemberExpression)Field.Body).Member.Name);
this.RefValue = _GetValueRef(this.Field);
this.GetValue = _GetValue(this.Field);
this.SetValue = TypeController.SetValue(typeof(ParentType).GetField(((MemberExpression)Field.Body).Member.Name));
}