Line Chart with negative using Area

C#

SeriesList sList = new SeriesList();             sList.ChartType = ChartType.Line;             sList.AreaType = AreaType.LineArea;             sList.Transparency = 55;             Random r = new Random();             for (int i = 0; i < 4; i++)             {                 Series sr = new Series();                 for (int x = 0; x < 5; x++)                 {                     SeriesItem item = new SeriesItem();                     item.Name = "item" + x.ToString();                     if ((i + x) % 2 == 0)                     {                         item.YValue = r.Next(20) * -1;                     }                     else                     {                         item.YValue = r.Next(50);                     }                     sr.items.Add(item);                 }                 sList.SeriesCollection.Add(sr);             }               this.hHippoChart1.Titles.Label.ForeColor = Color.SteelBlue;             this.hHippoChart1.DesignType = ChartDesignType.Simple;             this.hHippoChart1.SeriesListDictionary.Add(sList);             this.hHippoChart1.DrawChart();

VB

Dim sList As New SeriesList() sList.ChartType = ChartType.Line sList.AreaType = AreaType.LineArea sList.Transparency = 55 Dim r As New Random() For i As Integer = 0 To 3     Dim sr As New Series()         For x As Integer = 0 To 4         Dim item As New SeriesItem()         item.Name = "item" & x.ToString()                 If (i + x) Mod 2 = 0 Then             item.YValue = r.[Next](20) * -1         Else             item.YValue = r.[Next](50)         End If                 sr.items.Add(item)     Next     sList.SeriesCollection.Add(sr) Next Me.hHippoChart1.Titles.Label.ForeColor = Color.SteelBlue Me.hHippoChart1.DesignType = ChartDesignType.Simple Me.hHippoChart1.SeriesListDictionary.Add(sList) Me.hHippoChart1.DrawChart()