/// <summary> /// Visits the children of the <see cref="LambdaExpression" />. /// </summary> /// <typeparam name="T">The type of the delegate.</typeparam> /// <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 VisitLambda(LambdaExpression node) { return(node.Update(Visit(node.Body), VisitAndConvert(node.Parameters, "VisitLambda"))); }