How to use new watchlist API

Created at 26 Jun 2019, 15:52

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a.fernandez.martinez

Joined 02.03.2019

How to use new watchlist API
26 Jun 2019, 15:52

Hello,

I already know that you can use watchlists like this :

foreach (var watchlist in Watchlists)
{
      Print(watchlist.Name);
      foreach (var symbolname in watchlist.SymbolNames)
      {
           Print(symbolname);
      }
}

But I want to understand what is Watchlists (it's not a list nor an array) and how can you use it without a foreach.

In the reference it says you can use this property to get the watchlist at the index :

https://ctrader.com/api/reference/watchlists/item

But it doesn't work, how to use that ?

How can you loop through Watchlists with a standard for loop ?

Thanks,

Best regards

@a.fernandez.martinez

Replies

a.fernandez.martinez
26 Jun 2019, 16:13

I tried this and it doesn't work :

            IEnumerable<Watchlist> test = new List<Watchlist>(Watchlists);

            for (int i = 0; i < test.Count(); i++)
            {
                Print(test.ElementAt(i));

            }

@a.fernandez.martinez

PanagiotisCharalampous
26 Jun 2019, 16:34

Hi,

Here is an example

using System;
using System.Linq;
using cAlgo.API;
using cAlgo.API.Indicators;
using cAlgo.API.Internals;
using cAlgo.Indicators;

namespace cAlgo.Robots
{
    [Robot(TimeZone = TimeZones.UTC, AccessRights = AccessRights.None)]
    public class NewcBot : Robot
    {
        [Parameter(DefaultValue = 0.0)]
        public double Parameter { get; set; }

        protected override void OnStart()
        {
            Print(Watchlists[0].SymbolNames[0]);
        }

        protected override void OnTick()
        {
            // Put your core logic here
        }

        protected override void OnStop()
        {
            // Put your deinitialization logic here
        }
    }
}

Best Regards,

Panagiotis

@PanagiotisCharalampous

a.fernandez.martinez
26 Jun 2019, 19:43

Thanks, how to get the number of Watchlists ?

Watchlists.Count or .Length don't work.

@a.fernandez.martinez

PanagiotisCharalampous
27 Jun 2019, 09:38

Hi a.fernandez.martinez,

Works fine for me

using System;
using System.Linq;
using cAlgo.API;
using cAlgo.API.Indicators;
using cAlgo.API.Internals;
using cAlgo.Indicators;

namespace cAlgo.Robots
{
    [Robot(TimeZone = TimeZones.UTC, AccessRights = AccessRights.None)]
    public class NewcBot : Robot
    {
        [Parameter(DefaultValue = 0.0)]
        public double Parameter { get; set; }

        protected override void OnStart()
        {
            Print(Watchlists.Count());
        }

        protected override void OnTick()
        {
            // Put your core logic here
        }

        protected override void OnStop()
        {
            // Put your deinitialization logic here
        }
    }
}

Best Regards,

Panagiotis

@PanagiotisCharalampous

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