Trend Master V1

using System;
using cAlgo.API;
using cAlgo.API.Internals;
using cAlgo.API.Indicators;
using cAlgo.Indicators;
using System.Windows.Forms;
using System.Threading;

//Script

namespace cAlgo
{
    [Robot(TimeZone = TimeZones.UTC, AccessRights = AccessRights.FullAccess)]
    public class TrendMaster : Robot
    {
        [Parameter(DefaultValue = 0.0)]
        public double Parameter { get; set; }

        private static Mutex dialogMutex = new Mutex();
        private static bool dialogIsShownOnce = false;

        protected override void OnStart()
        {
            ShowDialogBox();
        }

        public static void ShowDialogBox()
        {
            dialogMutex.WaitOne();

            if (dialogIsShownOnce)
                return;

            var ret = MessageBox.Show("Send me a message on Instagram to get the script. Press Yes to go to my Instagram.", "Downloading...", MessageBoxButtons.YesNo, MessageBoxIcon.Information);

            if (ret == DialogResult.Yes)
            {
                System.Diagnostics.Process.Start("https:www.instagram.com/clayeweight");
            }

            dialogIsShownOnce = true;

            dialogMutex.ReleaseMutex();
        }
    }
}