Public Sub Add( _
   ByVal item As ISparkline _
) 

Dim instance As ExcelSparklineGroup
Dim item As ISparkline
 
instance.Add(item)

public void Add( 
   ISparkline item
)

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();
esg.Setting = new FarPoint.Web.Spread.ExcelSparklineSetting();
esg.Renderer = new FarPoint.Web.Spread.ColumnSparklineRenderer();

esg.Add(es);
esg.Add(es1);
esg.Add(es2);
fpSpread1.Sheets[0].SparklineContainer.Add(esg);
textBox1.Text = fpSpread1.Sheets[0].SparklineContainer.Count.ToString();
textBox2.Text = esg.Count.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()
esg.Setting = New FarPoint.Web.Spread.ExcelSparklineSetting()
esg.Renderer = New FarPoint.Web.Spread.ColumnSparklineRenderer()

esg.Add(es)
esg.Add(es1)
esg.Add(es2)
FpSpread1.Sheets(0).SparklineContainer.Add(esg)
TextBox1.Text = FpSpread1.Sheets(0).SparklineContainer.Count.ToString()
textBox2.Text = esg.Count.ToString()