Class Line

public class Line

Workbook workbook = new Workbook();
Worksheet sheet = workbook.Worksheets[0];

Cells cells = sheet.Cells;
cells[0,1].PutValue("Income");
cells[1,0].PutValue("Company A");
cells[2,0].PutValue("Company B");
cells[3,0].PutValue("Company C");
cells[1,1].PutValue(10000);
cells[2,1].PutValue(20000);
cells[3,1].PutValue(30000);

int chartIndex = sheet.Charts.Add(ChartType.Line, 9, 9, 21, 15);
Chart chart = sheet.Charts[chartIndex];
//Add series
chart.NSeries.Add("A2:B4", true);
//Set category data
chart.NSeries.CategoryData = "=Sheet1!$A$2:$A$4";
//Applying a dotted line style on the lines of an NSeries
chart.NSeries[0].Border.Style = LineType.Dot;
chart.NSeries[0].Border.Color = Color.Red;
//Applying a triangular marker style on the data markers of an NSeries
chart.NSeries[0].Marker.MarkerStyle = ChartMarkerType.Triangle;
//Setting the weight of all lines in an NSeries to medium
chart.NSeries[0].Border.Weight = WeightType.MediumLine;

Dim workbook as Workbook = new Workbook()
Dim sheet as Worksheet = workbook.Worksheets(0)

Dim cells as Cells = sheet.Cells
cells(0,1).PutValue("Income")
cells(1,0).PutValue("Company A")
cells(2,0).PutValue("Company B")
cells(3,0).PutValue("Company C")
cells(1,1).PutValue(10000)
cells(2,1).PutValue(20000)
cells(3,1).PutValue(30000)

Dim chartIndex as Integer = sheet.Charts.Add(ChartType.Column, 9, 9, 21, 15)    ///
Dim chart as Chart = sheet.Charts(chartIndex)
'Adding NSeries (chart data source) to the chart ranging from "A2" cell to "B4"
chart.NSeries.Add("A2:B4", True)
'Setting the data source for the category data of NSeries
Chart.NSeries.CategoryData = "A2:A4"
'Applying a dotted line style on the lines of an NSeries
chart.NSeries(0).Border.Style = LineType.Dot
chart.NSeries(0).Border.Color = Color.Red
'Applying a triangular marker style on the data markers of an NSeries
chart.NSeries(0).Marker.MarkerStyle = ChartMarkerType.Triangle
'Setting the weight of all lines in an NSeries to medium
chart.NSeries(0).Border.Weight = WeightType.MediumLine

protected object m_lineParent

public MsoArrowheadLength BeginArrowLength { get; set; }

public MsoArrowheadWidth BeginArrowWidth { get; set; }

public MsoArrowheadStyle BeginType { get; set; }

public LineCapType CapType { get; set; }

public Color Color { get; set; }

public MsoLineStyle CompoundType { get; set; }

public MsoLineDashStyle DashType { get; set; }

public MsoArrowheadLength EndArrowLength { get; set; }

public MsoArrowheadWidth EndArrowWidth { get; set; }

public MsoArrowheadStyle EndType { get; set; }

public ChartLineFormattingType FormattingType { get; set; }

public GradientFill GradientFill { get; }

public bool IsAuto { get; set; }

public bool IsAutomaticColor { get; }

public bool IsVisible { get; set; }

public LineJoinType JoinType { get; set; }

public LineType Style { get; set; }

public ThemeColor ThemeColor { get; set; }

public double Transparency { get; set; }

public WeightType Weight { get; set; }

public double WeightPt { get; set; }

public double WeightPx { get; set; }