System.Linq.Expressions.TypeBinaryExpression.Update C# (CSharp) Method

        public TypeBinaryExpression Update(Expression expression)
        {
            if (expression == Expression)
            {
                return this;
            }
            if (NodeType == ExpressionType.TypeIs)
            {
                return Expression.TypeIs(expression, TypeOperand);
            }
            return Expression.TypeEqual(expression, TypeOperand);
        }
    }

        /// <summary>
        ///     Visits the children of the <see cref="TypeBinaryExpression" />.
        /// </summary>
        /// <param name="node">The expression to visit.</param>
        /// <returns>
        ///     The modified expression, if it or any subexpression was modified;
        ///     otherwise, returns the original expression.
        /// </returns>
        protected internal virtual Expression VisitTypeBinary(TypeBinaryExpression node)
        {
            if (node == null)
            {
                throw new ArgumentNullException(nameof(node));
            }

            return(node.Update(Visit(node.Expression)));
        }