System.Linq.Expressions.Expression.MakeDynamic C# (CSharp) Method

        public static DynamicExpression MakeDynamic(Type delegateType, CallSiteBinder binder, IEnumerable<Expression> arguments)
        {
            ContractUtils.RequiresNotNull(delegateType, nameof(delegateType));
            ContractUtils.RequiresNotNull(binder, nameof(binder));
            if (!delegateType.IsSubclassOf(typeof(MulticastDelegate))) throw Error.TypeMustBeDerivedFromSystemDelegate();

            var method = GetValidMethodForDynamic(delegateType);

            var args = arguments.ToReadOnly();
            ValidateArgumentTypes(method, ExpressionType.Dynamic, ref args, nameof(delegateType));

            return DynamicExpression.Make(method.GetReturnType(), delegateType, binder, args);
        }

 public DynamicExpression Update(IEnumerable <Expression> arguments)
 {
     if (arguments == this.Arguments)
     {
         return(this);
     }
     return(Expression.MakeDynamic(this.DelegateType, this.Binder, arguments));
 }