Sample Numeric Data

Imports System.Collections.ObjectModel
Namespace Infragistics.Samples.Models.Series
    Public Class NumericDataSample
        Inherits NumericDataCollection
        Public Sub New()
            Me.Add(New NumericDataPoint() With { .X = 1, .Y = 1 })
            Me.Add(New NumericDataPoint() With { .X = 2, .Y = 2 })
            Me.Add(New NumericDataPoint() With { .X = 3, .Y = 6 })
            Me.Add(New NumericDataPoint() With { .X = 4, .Y = 8 })
            Me.Add(New NumericDataPoint() With { .X = 5, .Y = 2 })
            Me.Add(New NumericDataPoint() With { .X = 6, .Y = 6 })
            Me.Add(New NumericDataPoint() With { .X = 7, .Y = 4 })
            Me.Add(New NumericDataPoint() With { .X = 8, .Y = 2 })
            Me.Add(New NumericDataPoint() With { .X = 9, .Y = 1 })
            Dim index As Integer = 0
            For Each dataPoint As NumericDataPoint In Items
                dataPoint.Index = System.Math.Max(System.Threading.Interlocked.Increment(index),index - 1)
            Next
        End Sub
    End Class
    Public Class NumericDataCollection
        Inherits ObservableCollection(Of NumericDataPoint)
    End Class
    Public Class NumericDataPoint
        Inherits ObservableModel
        #Region "Properties"
        Private _y As Double
        Public Property Y() As Double
            Get
                Return _y
            End Get
            Set
                If _y = value Then
                    Return
                End If
                _y = value
                OnPropertyChanged("Y")
            End Set
        End Property
        Private _x As Double
        Public Property X() As Double
            Get
                Return _x
            End Get
            Set
                If _x = value Then
                    Return
                End If
                _x = value
                OnPropertyChanged("X")
            End Set
        End Property
		Private _index As Integer
		Public Property Index() As Integer
			Get
				Return _index
			End Get
			Set
				If _index = value Then
					Return
				End If
				_index = value
			End Set
		End Property
        #End Region
        Public Shadows Function ToString() As String
            Return [String].Format("Index {0}, X {1}, Y {2}", Index, X, Y)
        End Function
    End Class
    Public MustInherit Class ObservableModel
        Implements INotifyPropertyChanged
        Protected Sub New()
        End Sub
        #Region "INotifyPropertyChanged"
        Public Event PropertyChanged As PropertyChangedEventHandler
        Protected Sub OnPropertyChanged(propertyName As String)
            Dim handler As PropertyChangedEventHandler = Me.PropertyChanged
            RaiseEvent handler(Me, New PropertyChangedEventArgs(propertyName))
        End Sub
        Public Sub OnAsyncPropertyChanged(propertyName As String)
            If PropertyChanged IsNot Nothing Then
                Deployment.Current.Dispatcher.BeginInvoke(Function()
                RaiseEvent PropertyChanged(Me, New PropertyChangedEventArgs(propertyName))
End Function)
            End If
        End Sub
        #End Region
    End Class
End Namespace

using System;
using System.Collections.ObjectModel;
namespace Infragistics.Samples.Models.Series
{
    public class NumericDataSample : NumericDataCollection
    {
        public NumericDataSample()
        {
            this.Add(new NumericDataPoint { X = 1, Y = 1 });
            this.Add(new NumericDataPoint { X = 2, Y = 2 });
            this.Add(new NumericDataPoint { X = 3, Y = 6 });
            this.Add(new NumericDataPoint { X = 4, Y = 8 });
            this.Add(new NumericDataPoint { X = 5, Y = 2 });
            this.Add(new NumericDataPoint { X = 6, Y = 6 });
            this.Add(new NumericDataPoint { X = 7, Y = 4 });
            this.Add(new NumericDataPoint { X = 8, Y = 2 });
            this.Add(new NumericDataPoint { X = 9, Y = 1 });
            int index = 0;
            foreach (NumericDataPoint dataPoint in Items)
            {
                dataPoint.Index = index++;
            }
        }
    }
    public class NumericDataCollection : ObservableCollection<NumericDataPoint>
    {
    }
    public class NumericDataPoint : ObservableModel
    {
        #region Properties
        private double _y;
        public double Y
        {
            get { return _y; }
            set
            {
                if (_y == value) return;
                _y = value;
                OnPropertyChanged("Y");
            }
        }
        private double _x;
        public double X
        {
            get { return _x; }
            set
            {
                if (_x == value) return;
                _x = value;
                OnPropertyChanged("X");
            }
        }
		public int Index { get; set; }
        #endregion
        public new string ToString()
        {
            return String.Format("Index {0}, X {1}, Y {2}", Index, X, Y);
        }
    }
    public abstract class ObservableModel : INotifyPropertyChanged
    {
        protected ObservableModel()
        {
        }
        #region INotifyPropertyChanged
        public event PropertyChangedEventHandler PropertyChanged;
        protected void OnPropertyChanged(string propertyName)
        {
            PropertyChangedEventHandler handler = this.PropertyChanged;
            if (handler != null)
                handler(this, new PropertyChangedEventArgs(propertyName));
        }
        public void OnAsyncPropertyChanged(string propertyName)
        {
            if (PropertyChanged != null)
            {
                Deployment.Current.Dispatcher.BeginInvoke(() =>
                {
                    PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
                });
            }
        }
        #endregion
    }
}