protected override Expression VisitAttributePresent(LdapAttributePresentExpression node)
{
_sb.Append("(");
if (node.Operand.NodeType != (ExpressionType)LdapExpressionType.Attribute)
{
throw new NotSupportedException(string.Format("Cannot have expression of type {0} as part of a filter.", node.Operand.NodeType));
}
this.Visit(node.Operand);
_sb.Append("=*)");
return(node);
}
protected virtual Expression VisitAttributePresent(LdapAttributePresentExpression node)
{
return(node.Update(this.Visit(node.Operand)));
}
