var child = ... // Insert the contents you want the block to have here
AspBlock aspBlock = Asp.SymbolTab.AddBlock("Cool Plugin");
aspBlock.Child = child; 

var child = ... // Insert the contents you want the tab to have here
AspTab pluginTab = Asp.AddTab("Another Cool Plugin");
pluginTab.Child = child;

var child = ... // Insert the contents you want the plugin to have here
Trade WatchTab Trade WatchTab = Trade Watch.AddTab("Yet Another Cool Plugin");
Trade WatchTab.Child = child;

var child = ... // Insert the contents you want the plugin to have here
var newCustomFrame = ChartManager.AddCustomFrame("Best Plugin");
newCustomFrame.Child = child;

var newChart = ChartManager.AddChartFrame("EURUSD", TimeFrame.Day2);

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

namespace cAlgo
{
    [Plugin(AccessRights = AccessRights.None)]
    public class CTraderStorePlugin : Plugin
    {
        private MainMenuOwnCustomItem _storeItem;

        private const string StoreIconSvg = @"
        <svg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'>
          <path fill='white' d='M7 7V6a5 5 0 0 1 10 0v1h2a1 1 0 0 1 1 1l-1 11a2 2 0 0 1-2 2H7a2 2 0 0 1-2-2L4 8a1 1 0 0 1 1-1h2zm2 0h6V6a3 3 0 0 0-6 0v1z' />
        </svg>";

        protected override void OnStart()
        {
            _storeItem = MainMenu.AddItem("cTrader Store", new SvgIcon(StoreIconSvg));

            var webView = new WebView();
            webView.Loaded += _ =>
            {
                webView.NavigateAsync("http://ctrader.com");
            };

            _storeItem.Child = webView;

            MainMenu.SelectedItemChanged += OnSelectedItemChanged;
        }

        private void OnSelectedItemChanged(MainMenuSelectedItemChangedEventArgs args)
        {
            if (args.NewItem == _storeItem)
            {
                MainMenu.IsExpanded = true;
            }
        }

        protected override void OnStop()
        {
            MainMenu.SelectedItemChanged -= OnSelectedItemChanged;

            if (_storeItem != null)
            {
                MainMenu.RemoveItem(_storeItem);
                _storeItem = null;
            }
        }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using cAlgo.API;
using cAlgo.API.Collections;
using cAlgo.API.Indicators;
using cAlgo.API.Internals;

namespace cAlgo.Plugins
{
    [Plugin(AccessRights = AccessRights.None)]
    public class PluginPlacementTest : Plugin
    {

        private TextBlock _commissionsText;
        private TextBlock _volumeText;
        private WebView _cTraderWebView;

        protected override void OnStart()
        {
            _cTraderWebView = new WebView();
            _cTraderWebView.Loaded += ShowWebsite;

            _commissionsText = new TextBlock
            {
                Text = ShowCommissions(),
                FontSize = 100,
                TextAlignment = TextAlignment.Center,
                FontWeight = FontWeight.ExtraBold,
            };

            _volumeText = new TextBlock
            {
                Text = ShowVolume(),
                FontSize = 100,
                TextAlignment = TextAlignment.Center,
                FontWeight = FontWeight.ExtraBold,
            };

            ChartManager.AddCustomFrame("cTrader.com").Child = _cTraderWebView;
            Asp.SymbolTab.AddBlock("Commissions").Child = _commissionsText;
            TradeWatch.AddTab("Volume").Child = _volumeText;
            Timer.Start(TimeSpan.FromSeconds(0.5));

        }

        protected void ShowWebsite(WebViewLoadedEventArgs args)
        {
            _cTraderWebView.NavigateAsync("https://ctrader.com");
        }

        protected string ShowCommissions()
        {
            double commissionsCounter = 0;
            foreach (var position in Positions)
            {
                commissionsCounter += position.Commissions;
            }
            return commissionsCounter.ToString();
        }

        protected string ShowVolume() 
        {
            double volumeCounter = 0;
            foreach (var position in Positions) 
            {
                volumeCounter += position.VolumeInUnits;
            }
            return volumeCounter.ToString();
        }

        protected override void OnTimer()
        {
            _commissionsText.Text = ShowCommissions();
            _volumeText.Text = ShowVolume();
        }
    }
}