チャートのパフォーマンス

<ig:XamDataChart x:Name="DataChart" >
      <ig:XamDataChart.Series>
            <ig:SplineSeries ItemsSource="{Binding}"
                             ValueMemberPath="Value"
                             XAxis="{x:Reference categoryXAxis}"
                             YAxis="{x:Reference numericYAxis}">
            </ig:SplineSeries>
            <ig:LineSeries ItemsSource="{Binding}"
                           ValueMemberPath="Value"
                           XAxis="{x:Reference categoryXAxis}"
                           YAxis="{x:Reference numericYAxis}">
            </ig:LineSeries>
      </ig:XamDataChart.Series>
</ig:XamDataChart>

var splineSeries = new SplineSeries();
splineSeries.DataSource = data;
splineSeries.ItemsSource = data;
splineSeries.ValueMemberPath = "Value";
splineSeries.XAxis = this.categoryXAxis;
splineSeries.YAxis = this.numericYAxis;
this.DataChart.Series.Add(splineSeries);var lineSeries = new LineSeries();
lineSeries.DataSource = data;
lineSeries.ItemsSource = data;
lineSeries.ValueMemberPath = "Value";
lineSeries.XAxis = this.categoryXAxis;
lineSeries.YAxis = this.numericYAxis;
this.DataChart.Series.Add(lineSeries);

<ig:XamDataChart x:Name="DataChart" >
      <ig:XamDataChart.Series>
            <ig:LineSeries Resolution="1.5" />
      </ig:XamDataChart.Series>
</ig:XamDataChart>

LineSeries series = new LineSeries();
series.Resolution = 1.5;

<ig:XamDataChart x:Name="DataChart" >
      <ig:XamDataChart.Series>
            <ig:LineSeries MarkerType="None" />
      </ig:XamDataChart.Series>
</ig:XamDataChart>

var series = new LineSeries();
series.MarkerType = MarkerType.None;

<ig:XamDataChart.Axes>
    <ig:CategoryXAxis x:Name="categoryXAxis"
                      ItemsSource="{Binding}"
                      Label="Date">
    </ig:CategoryXAxis>
    <ig:CategoryDateTimeXAxis x:Name="categoryDateTimeXAxis"
                      ItemsSource="{Binding}"
                      DateTimeMemberPath="Date"
                      Label="Date">
    </ig:CategoryDateTimeXAxis>
</ig:XamDataChart.Axes>

var categoryXAxis = new CategoryXAxis();
categoryXAxis.Label = "Date";
var categoryDateTimeXAxis = new CategoryDateTimeXAxis();
categoryDateTimeXAxis.DateTimeMemberPath = "Date";
categoryDateTimeXAxis.Label = "Date";

<ig:XamDataChart.Axes>
    <ig:CategoryXAxis x:Name="axis" LabelVisibity="Collapsed" />
</ig:XamDataChart.Axes>

var axis = new CategoryXAxis();
axis.LabelVisibility = Visibility.Collapsed;

<ig:XamDataChart.Axes>
    <ig:NumericYAxis x:Name="numericYAxis"
                     LabelExtent="50" />
</ig:XamDataChart.Axes>

var axis = new NumericYAxis();
axis.LabelExtent = 50;

using System.Collections;
using System.Collections.Generic;
using System.Collections.Specialized;
using NotifyEventArgs = System.Collections.Specialized.NotifyCollectionChangedEventArgs;
using NotifyAction = System.Collections.Specialized.NotifyCollectionChangedAction;
public class DataCollection : INotifyCollectionChanged, IEnumerable
{
        protected List<DataPoint> Data = new List<DataPoint>();
        public event NotifyCollectionChangedEventHandler CollectionChanged;
        protected void OnCollectionChanged(NotifyEventArgs e)
        {
            if (CollectionChanged != null)
            {
                CollectionChanged(this, e);
            }
        }
        public IEnumerator GetEnumerator()
        {
            return this.Data.GetEnumerator();
        }
        public void Add(DataPoint dataPoint)
        {
            this.Data.Add(dataPoint);
            NotifyEventArgs e = new NotifyEventArgs(NotifyAction.Add, dataPoint);
            // 変更がひとつまたはふたつのポイントのみの時は、
            // Reset イベント アクションの代わりに Add イベント アクションを使用します
            //NotifyEventArgs e = new NotifyEventArgs(NotifyAction.Reset);
            this.OnCollectionChanged(e);
        }
}

using System.ComponentModel;
public class DataPoint
{
    #region Properties
    public double X { get; set; }
    public double Y { get; set; }
    #endregion
}
public class ObservableDataPoint : INotifyPropertyChanged
{
    #region Porperties
    private double _x;
    private double _y;
    public double X
    {
        get { return _x; }
        set { if (_x == value) return; _x = value; this.OnPropertyChanged("X"); }
    }
    public double Y
    {
        get { return _y; }
        set { if (_y == value) return; _y = value; this.OnPropertyChanged("Y"); }
    }
    #endregion
    #region Event Handlers
    public event PropertyChangedEventHandler PropertyChanged;
    protected void OnPropertyChanged(string propertyName)
    {
        this.OnPropertyChanged(new PropertyChangedEventArgs(propertyName));
    }
    protected void OnPropertyChanged(PropertyChangedEventArgs propertyChangedEventArgs)
    {
        PropertyChangedEventHandler handler = this.PropertyChanged;
        if (handler != null)
            handler(this, propertyChangedEventArgs);
    }
    #endregion
}