created the model and view model in seperate class

Author: NitheeshKumarThangaraj

Synchronize_Trackball/MainWindow.xaml.cs

@@ -76,7 +76,6 @@ private void SfChart_MouseMove2(object sender, MouseEventArgs e)
         }
     }
 
-
     public class CustomTrackBallBehavior : ChartTrackBallBehavior
     {
         public void ActivateTrackball(Point mousePoint)
@@ -90,64 +89,4 @@ public void DeactivateTrackball()
             IsActivated = false;
         }
     }
-
-    public class Data
-    {
-        public Data(DateTime date, double value)
-        {
-            Date = date;
-            Value = value;
-        }
-
-        public DateTime Date
-        {
-            get;
-            set;
-        }
-
-        public double Value
-        {
-            get;
-            set;
-        }
-    }
-
-    public class DataGenerator
-    {
-        public int DataCount = 100;
-        private Random randomNumber;
-        public ObservableCollection<Data> DataCollection1 { get; set; }
-        public ObservableCollection<Data> DataCollection2 { get; set; }
-
-        public DataGenerator()
-        {
-            randomNumber = new Random();
-            DataCollection1 = GenerateData();
-            DataCollection2 = GenerateData();
-        }
-
-        public ObservableCollection<Data> GenerateData()
-        {
-            ObservableCollection<Data> datas = new ObservableCollection<Data>();
-            DateTime date = new DateTime(2020, 1, 1);
-            double value = 100;
-
-            for (int i = 0; i < this.DataCount; i++)
-            {
-                datas.Add(new Data(date, Math.Round(value, 2)));
-                date = date.Add(TimeSpan.FromDays(1));
-
-                if (randomNumber.NextDouble() > .5)
-                {
-                    value += randomNumber.NextDouble();
-                }
-                else
-                {
-                    value -= randomNumber.NextDouble();
-                }
-            }
-
-            return datas;
-        }
-    }
 }

Synchronize_Trackball/Model/Data.cs

@@ -0,0 +1,29 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Synchronize_Trackball
+{
+    public class Data
+    {
+        public Data(DateTime date, double value)
+        {
+            Date = date;
+            Value = value;
+        }
+
+        public DateTime Date
+        {
+            get;
+            set;
+        }
+
+        public double Value
+        {
+            get;
+            set;
+        }
+    }
+}

Synchronize_Trackball/ViewModel/DataGenerator.cs

@@ -0,0 +1,49 @@
+using Synchronize_Trackball;
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Synchronize_Trackball
+{
+    public class DataGenerator
+    {
+        public int DataCount = 100;
+        private Random randomNumber;
+        public ObservableCollection<Data> DataCollection1 { get; set; }
+        public ObservableCollection<Data> DataCollection2 { get; set; }
+
+        public DataGenerator()
+        {
+            randomNumber = new Random();
+            DataCollection1 = GenerateData();
+            DataCollection2 = GenerateData();
+        }
+
+        public ObservableCollection<Data> GenerateData()
+        {
+            ObservableCollection<Data> datas = new ObservableCollection<Data>();
+            DateTime date = new DateTime(2020, 1, 1);
+            double value = 100;
+
+            for (int i = 0; i < DataCount; i++)
+            {
+                datas.Add(new Data(date, Math.Round(value, 2)));
+                date = date.Add(TimeSpan.FromDays(1));
+
+                if (randomNumber.NextDouble() > .5)
+                {
+                    value += randomNumber.NextDouble();
+                }
+                else
+                {
+                    value -= randomNumber.NextDouble();
+                }
+            }
+
+            return datas;
+        }
+    }
+}