Public Property ShowFirst As Boolean

Dim instance As ExcelSparklineSetting
Dim value As Boolean
 
instance.ShowFirst = value
 
value = instance.ShowFirst

public bool ShowFirst {get; set;}

FarPoint.Win.Spread.SheetView sv = new FarPoint.Win.Spread.SheetView();
FarPoint.Win.Spread.Chart.SheetCellRange data = new FarPoint.Win.Spread.Chart.SheetCellRange(sv, 0,0,1, 5);
FarPoint.Win.Spread.Chart.SheetCellRange data2 = new FarPoint.Win.Spread.Chart.SheetCellRange(sv, 5,0,1,1);

FarPoint.Win.Spread.ExcelSparklineSetting ex = new FarPoint.Win.Spread.ExcelSparklineSetting();
ex.AxisColor = Color.SaddleBrown;
ex.ShowFirst = true;
ex.ShowHigh = true;
ex.ShowLow = true;
ex.ShowLast = true;

ex.FirstMarkerColor = Color.Blue;
ex.HighMarkerColor = Color.DarkGreen;
ex.MarkersColor = Color.Aquamarine;
ex.LowMarkerColor = Color.Red;
ex.LastMarkerColor = Color.Orange;
ex.ShowMarkers = true;
        
fpSpread1.Sheets[0] = sv;
sv.Cells[0, 0].Value = 2;
sv.Cells[0, 1].Value = 5;
sv.Cells[0, 2].Value = 4;
sv.Cells[0, 3].Value = 1;
sv.Cells[0, 4].Value = 3;
fpSpread1.Sheets[0].AddSparkline(data, data2, FarPoint.Win.Spread.SparklineType.Line, ex);

Dim sv As New FarPoint.Win.Spread.SheetView()
Dim data As New FarPoint.Win.Spread.Chart.SheetCellRange(sv, 0, 0, 1, 5)
Dim data2 As New FarPoint.Win.Spread.Chart.SheetCellRange(sv, 5, 0, 1, 1)

Dim ex As New FarPoint.Win.Spread.ExcelSparklineSetting()
ex.AxisColor = Color.SaddleBrown
ex.ShowFirst = True
ex.ShowHigh = True
ex.ShowLow = True
ex.ShowLast = True

ex.FirstMarkerColor = Color.Blue
ex.HighMarkerColor = Color.DarkGreen
ex.MarkersColor = Color.Aquamarine
ex.LowMarkerColor = Color.Red
ex.LastMarkerColor = Color.Orange
ex.ShowMarkers = True

FpSpread1.Sheets(0) = sv
sv.Cells(0, 0).Value = 2
sv.Cells(0, 1).Value = 5
sv.Cells(0, 2).Value = 4
sv.Cells(0, 3).Value = 1
sv.Cells(0, 4).Value = 3
FpSpread1.Sheets(0).AddSparkline(data, data2, FarPoint.Win.Spread.SparklineType.Line, ex)