Read a Point

//This C# example uses the SNAP PAC REST API to get the analog inputs and values
//from the specified controller. The example uses standard .NET libraries. 
//It doesn't use any external, third-party plug-ins. This code sample was 
//written with Visual Studio 2013, using .NET 4.5, running on 
//Windows 10 Anniversary Edition.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Net; //If necessary, add this reference to your project.  
                  //You need it to authenticate to the API.
 
namespace GetAnalogInputs
{
    class Program
    {
        static void Main(string[] args)
        {
            OptoApiClient.GetAnalogInputs();
        }
    }
 
    public static class OptoApiClient
    {
        //The class has one method. The method performs an HTTP GET request on 
        //the specified controller, passes in logon credentials, and calls the
        //GetAnalogInputs endpoint. 
        public static void GetAnalogInputs()
        {
            //The controller is specified by its IP address or DNS server name.
            //This address hits a demo server. 
            //TO DO: Replace restpac.groov.com with your controller's IP 
            //address or server name. 
            var url =  "http://restpac.groov.com/api/v1/device/strategy/ios/analogInputs";
            
            //There are several ways to consume the API. We're using the 
            //WebClient class because it's simple and straightforward. 
            //Note that this class consumes the API synchronously. 
 
            var client = new WebClient
                {
                    //TO DO: If you’ve changed the URL to access your 
                    //controller, then replace ro/ro with the key-value 
                    //configured for your credentials.
                    Credentials = new NetworkCredential("ro", "ro"),
                };
            //This statement instantiates a string for the returned JSON.
            var content = client.DownloadString(url);
 
            Console.WriteLine("The returned JSON string is:");
            //This statement writes the JSON to the console.
            Console.WriteLine(content);
            Console.WriteLine();
            Console.WriteLine("Press Enter to close the console.");
            Console.ReadLine();
        }
    }
}