Public Interface ISparkline 
   Inherits IPropertyChangedNotification, FarPoint.Web.Spread.Model.ISerializeSupport 

Dim instance As ISparkline

public interface ISparkline : IPropertyChangedNotification, FarPoint.Web.Spread.Model.ISerializeSupport  

fpSpread1.Sheets[0].RowCount = 10;
fpSpread1.Sheets[0].ColumnCount = 10;
fpSpread1.Sheets[0].SetClip(0, 0, 1, 5, "1\t2\t3\t4\t5");
fpSpread1.Sheets[0].SetClip(1, 0, 1, 5, "5\t4\t3\t2\t1");
fpSpread1.Sheets[0].SetClip(2, 0, 1, 5, "1\t2\t3\t2\t1");

FarPoint.Web.Spread.ExcelSparkline es = new FarPoint.Web.Spread.ExcelSparkline(0, 6, fpSpread1.Sheets[0], new FarPoint.Web.Spread.Model.CellRange(0, 0, 1, 5));
FarPoint.Web.Spread.ExcelSparkline es1 = new FarPoint.Web.Spread.ExcelSparkline(1, 6, fpSpread1.Sheets[0], new FarPoint.Web.Spread.Model.CellRange(1, 0, 1, 5));
FarPoint.Web.Spread.ExcelSparkline es2 = new FarPoint.Web.Spread.ExcelSparkline(2, 6, fpSpread1.Sheets[0], new FarPoint.Web.Spread.Model.CellRange(2, 0, 1, 5));

FarPoint.Web.Spread.ExcelSparklineGroup esg = new FarPoint.Web.Spread.ExcelSparklineGroup(new FarPoint.Web.Spread.ExcelSparklineSetting(), FarPoint.Web.Spread.SparklineType.Column);

esg.Add(es);
esg.Add(es1);
esg.Add(es2);
esg.Clear();
fpSpread1.Sheets[0].SparklineContainer.Add(esg);

FarPoint.Web.Spread.ISparkline[] dest = new FarPoint.Web.Spread.ISparkline[3];
int startIndex = 0;
esg.CopyTo(dest, startIndex);

FarPoint.Web.Spread.ExcelSparkline esl;
FarPoint.Web.Spread.ExcelSparkline esl1;
for (int i = 0; i < 3; i++)
{
    esl = (FarPoint.Web.Spread.ExcelSparkline)esg[i];
    esl1 = (FarPoint.Web.Spread.ExcelSparkline)dest[i];
    listBox1.Items.Add(esl.Row.ToString());
    listBox1.Items.Add(esl1.Row.ToString());
    listBox1.Items.Add(esl.Column.ToString());
    listBox1.Items.Add(esl1.Column.ToString());
    listBox1.Items.Add(esl.Formula.ToString());
    listBox1.Items.Add(esl1.Formula.ToString());
}

FpSpread1.Sheets(0).RowCount = 10
FpSpread1.Sheets(0).ColumnCount = 10
FpSpread1.Sheets(0).SetClip(0, 0, 1, 5, "1" + Chr(9) + "2" + Chr(9) + "3" + Chr(9) + "4" + Chr(9) + "5")
FpSpread1.Sheets(0).SetClip(1, 0, 1, 5, "5" + Chr(9) + "4" + Chr(9) + "3" + Chr(9) + "2" + Chr(9) + "1")
FpSpread1.Sheets(0).SetClip(2, 0, 1, 5, "1" + Chr(9) + "2" + Chr(9) + "3" + Chr(9) + "2" + Chr(9) + "1")

Dim es As New FarPoint.Web.Spread.ExcelSparkline(0, 6, FpSpread1.Sheets(0), New FarPoint.Web.Spread.Model.CellRange(0, 0, 1, 5))
Dim es1 As New FarPoint.Web.Spread.ExcelSparkline(1, 6, FpSpread1.Sheets(0), New FarPoint.Web.Spread.Model.CellRange(1, 0, 1, 5))
Dim es2 As New FarPoint.Web.Spread.ExcelSparkline(2, 6, FpSpread1.Sheets(0), New FarPoint.Web.Spread.Model.CellRange(2, 0, 1, 5))

Dim esg As New FarPoint.Web.Spread.ExcelSparklineGroup(New FarPoint.Web.Spread.ExcelSparklineSetting(), FarPoint.Web.Spread.SparklineType.Column)

esg.Add(es)
esg.Add(es1)
esg.Add(es2)
esg.Clear()
FpSpread1.Sheets(0).SparklineContainer.Add(esg)

Dim dest As FarPoint.Web.Spread.ISparkline() = New FarPoint.Web.Spread.ISparkline(2) {}
Dim startIndex As Integer = 0
esg.CopyTo(dest, startIndex)

Dim esl As FarPoint.Web.Spread.ExcelSparkline
Dim esl1 As FarPoint.Web.Spread.ExcelSparkline
For i As Integer = 0 To 2
    esl = DirectCast(esg(i), FarPoint.Web.Spread.ExcelSparkline)
    esl1 = DirectCast(dest(i), FarPoint.Web.Spread.ExcelSparkline)
    listBox1.Items.Add(esl.Row.ToString())
    listBox1.Items.Add(esl1.Row.ToString())
    listBox1.Items.Add(esl.Column.ToString())
    listBox1.Items.Add(esl1.Column.ToString())
    listBox1.Items.Add(esl.Formula.ToString())
    listBox1.Items.Add(esl1.Formula.ToString())
Next