sample nt button indi

#region Using declarations
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Input;
using System.Windows.Media;
using System.Xml.Serialization;
using NinjaTrader.Cbi;
using NinjaTrader.Gui;
using NinjaTrader.Gui.Chart;
using NinjaTrader.Gui.SuperDom;
using NinjaTrader.Gui.Tools;
using NinjaTrader.Data;
using NinjaTrader.NinjaScript;
using NinjaTrader.Core.FloatingPoint;
using NinjaTrader.NinjaScript.DrawingTools;
#endregion

//This namespace holds Indicators in this folder and is required. Do not change it.
namespace NinjaTrader.NinjaScript.Indicators.customs
{
    public class SampleButton_Indicator: Indicator
    {
        protected override void OnStateChange()
        {
            if (State == State.SetDefaults)
            {
                Description                                 = @"Enter the description for your new custom Indicator here.";
                Name                                        = "SampleButton_Indicator";
                Calculate                                   = Calculate.OnEachTick;
                IsOverlay                                   = false;
                DisplayInDataBox                            = true;
                DrawOnPricePanel                            = true;
                DrawHorizontalGridLines                     = true;
                DrawVerticalGridLines                       = true;
                PaintPriceMarkers                           = true;
                ScaleJustification                          = NinjaTrader.Gui.Chart.ScaleJustification.Right;
                //Disable this property if your indicator requires custom values that cumulate with each new market data event.
                //See Help Guide for additional information.
                IsSuspendedWhileInactive                    = true;
                //
                AddPlot(Brushes.Orange, "a1");
            }
            else if (State == State.Configure)
            {
            }
            else if (State == State.DataLoaded)
            {
            }
        }

        bool flag;
        protected override void OnBarUpdate()
        {
            try
            {
                if (!flag)
                {
                    flag = true;
                    ChartControl.Dispatcher.InvokeAsync(() =>
                    {
                        initialize_createGrid();
                    });
                }
            }
            catch(Exception e)
            {
                Print(e.ToString());
            }
        }




        private System.Windows.Controls.Grid myGrid;
        private void initialize_createGrid()
        {
            try
            {
                myGrid = new System.Windows.Controls.Grid
                {
                    Name = "MyCustomGrdaid32" + DateTime.Now.ToString("Hms"),
                    HorizontalAlignment = System.Windows.HorizontalAlignment.Right,
                    VerticalAlignment = System.Windows.VerticalAlignment.Top
                };
                int i = -1;

                System.Windows.Controls.ColumnDefinition column1 = new System.Windows.Controls.ColumnDefinition();
                myGrid.ColumnDefinitions.Add(column1);
                System.Windows.Controls.ColumnDefinition column2 = new System.Windows.Controls.ColumnDefinition();
                myGrid.ColumnDefinitions.Add(column2);
                //

                // ======= WPF  TEXTBOX
                Brush br = DateTime.Now.Second % 2 == 1 ? Brushes.Green : Brushes.Red;
                var newControl = new System.Windows.Controls.TextBox { Name = "asd", Text ="WPF textbox", Width = 100,  Background = Brushes.Yellow };
                myGrid.Children.Add(newControl);
                i++;
                System.Windows.Controls.Grid.SetColumn((UIElement)newControl, i);
                //################

                if (!this.UserControlCollection.Contains(myGrid))
                {
                    this.UserControlCollection.Add(myGrid);
                }
            }
            catch (Exception e)
            {
                Print(e.ToString());
            }
        }

    }
}