Manually show information pop up on click on a Marker graphic

ZahidCheema

When we click on a marker graphics, a popup show information about the pop. I want to do the same thing manually. I mean, I ll give lat and lon input and a pop up should show on a button click.

JamesFitzgerald

C#
using System;
using System.Collections.Generic;
using System.Runtime.Serialization;
using System.ServiceModel.Web;
using System.Runtime.Serialization.Json;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using ESRI.ArcGIS.Client;
using ESRI.ArcGIS.Client.Geometry;
using ESRI.ArcGIS.Client.Symbols;
namespace AddPointTest
{
    public partial class MainPage : UserControl
    {
        private static ESRI.ArcGIS.Client.Projection.WebMercator mercator =
            new ESRI.ArcGIS.Client.Projection.WebMercator();
        public MainPage()
        {
            InitializeComponent();
            AddMarkerGraphics();
        }
        void AddMarkerGraphics()
        {
            string jsonCoordinateString = "{'Coordinates':[{'X':13,'Y':55.59},{'X':72.83,'Y':18.97}]}";
            CustomCoordinateList coordinateList = DeserializeJson<CustomCoordinateList>(jsonCoordinateString);
            GraphicsLayer graphicsLayer = MyMap.Layers["MyGraphicsLayer"] as GraphicsLayer;
            for (int i = 0; i < coordinateList.Coordinates.Count; i++)
            {
                Graphic graphic = new Graphic()
                {
                    Geometry = mercator.FromGeographic(new MapPoint(coordinateList.Coordinates.X, coordinateList.Coordinates.Y)),
                    Symbol = i > 0 ? LayoutRoot.Resources["RedMarkerSymbol"] as Symbol : LayoutRoot.Resources["BlackMarkerSymbol"] as Symbol
                };
                graphicsLayer.Graphics.Add(graphic);
            }
        }
        internal static T DeserializeJson<T>(string json)
        {
            T objectInstance = Activator.CreateInstance<T>();
            System.IO.MemoryStream memoryStream = new System.IO.MemoryStream(System.Text.Encoding.Unicode.GetBytes(json));
            System.Runtime.Serialization.Json.DataContractJsonSerializer jsonSerializer =
               new System.Runtime.Serialization.Json.DataContractJsonSerializer(objectInstance.GetType());
               objectInstance = (T)jsonSerializer.ReadObject(memoryStream);
               memoryStream.Close();
               return objectInstance;
        }
    }
    [DataContract]
    public class CustomCoordinateList
    {
        [DataMember]
        public List<CustomCoordinate> Coordinates = new List<CustomCoordinate>();
    }
    [DataContract]
    public class CustomCoordinate
    {
        public CustomCoordinate() { }
        public CustomCoordinate(double x, double y)
        {
            this.X = x;
            this.Y = y;
        }
        [DataMember]
        public double X { get; set; }
        [DataMember]
        public double Y { get; set; }
    }
   }