Create Bar Chart

The following example shows you how add bar chart to a worksheet.

C# example

using System;
using Independentsoft.Office;
using Independentsoft.Office.Charts;
using Independentsoft.Office.Drawing;
using Independentsoft.Office.Spreadsheet;
using Independentsoft.Office.Spreadsheet.Drawing;

namespace Sample
{
    class Program
    {
        static void Main(string[] args)
        {
            Workbook book = new Workbook();
            Worksheet sheet1 = new Worksheet();

            //set cell values
            sheet1["A2"] = new Cell("Category 1");
            sheet1["A3"] = new Cell("Category 2");
            sheet1["A4"] = new Cell("Category 3");
            sheet1["A5"] = new Cell("Category 4");

            sheet1["B1"] = new Cell("Series 1");
            sheet1["B2"] = new Cell(4.3);
            sheet1["B3"] = new Cell(2.5);
            sheet1["B4"] = new Cell(3.5);
            sheet1["B5"] = new Cell(4.5);

            sheet1["C1"] = new Cell("Series 2");
            sheet1["C2"] = new Cell(2.4);
            sheet1["C3"] = new Cell(4.4);
            sheet1["C4"] = new Cell(1.8);
            sheet1["C5"] = new Cell(2.8);

            sheet1["D1"] = new Cell("Series 3");
            sheet1["D2"] = new Cell(2);
            sheet1["D3"] = new Cell(2);
            sheet1["D4"] = new Cell(3);
            sheet1["D5"] = new Cell(5);

            //create Bar Chart
            BarChart barChart = new BarChart();
            barChart.Direction = BarDirection.Column;
            barChart.Grouping = BarGrouping.Clustered;

            BarChartSerie serie1 = new BarChartSerie();
            serie1.Index = 0;
            serie1.Order = 0;
            
            serie1.SeriesText = new SeriesText();
            serie1.SeriesText.StringReference = new StringReference();
            serie1.SeriesText.StringReference.Formula = "Sheet1!$B$1";
                        
            serie1.SeriesText.StringReference.StringCache = new StringCache();

            StringPoint seriesTextPoint11 = new StringPoint(0, "Series 1");
            serie1.SeriesText.StringReference.StringCache.StringPoints.Add(seriesTextPoint11);

            serie1.CategoryAxis = new CategoryAxis();
            serie1.CategoryAxis.StringReference = new StringReference();
            serie1.CategoryAxis.StringReference.Formula = "Sheet1!$A$2:$A$5";

            serie1.CategoryAxis.StringReference.StringCache = new StringCache();

            StringPoint categoryAxisPoint11 = new StringPoint(0, "Category 1");
            StringPoint categoryAxisPoint12 = new StringPoint(1, "Category 2");
            StringPoint categoryAxisPoint13 = new StringPoint(2, "Category 3");
            StringPoint categoryAxisPoint14 = new StringPoint(3, "Category 4");

            serie1.CategoryAxis.StringReference.StringCache.StringPoints.Add(categoryAxisPoint11);
            serie1.CategoryAxis.StringReference.StringCache.StringPoints.Add(categoryAxisPoint12);
            serie1.CategoryAxis.StringReference.StringCache.StringPoints.Add(categoryAxisPoint13);
            serie1.CategoryAxis.StringReference.StringCache.StringPoints.Add(categoryAxisPoint14);
            
            serie1.Values = new Values();
            serie1.Values.NumberReference = new NumberReference();
            serie1.Values.NumberReference.Formula = "Sheet1!$B$2:$B$5";

            serie1.Values.NumberReference.NumberCache = new NumberCache();
            serie1.Values.NumberReference.NumberCache.Format = "General";

            NumericPoint valuesPoint11 = new NumericPoint(0, "4.3");
            NumericPoint valuesPoint12 = new NumericPoint(1, "2.5");
            NumericPoint valuesPoint13 = new NumericPoint(2, "3.5");
            NumericPoint valuesPoint14 = new NumericPoint(3, "4.5");

            serie1.Values.NumberReference.NumberCache.NumericPoints.Add(valuesPoint11);
            serie1.Values.NumberReference.NumberCache.NumericPoints.Add(valuesPoint12);
            serie1.Values.NumberReference.NumberCache.NumericPoints.Add(valuesPoint13);
            serie1.Values.NumberReference.NumberCache.NumericPoints.Add(valuesPoint14);

            BarChartSerie serie2 = new BarChartSerie();
            serie2.Index = 1;
            serie2.Order = 1;

            serie2.SeriesText = new SeriesText();
            serie2.SeriesText.StringReference = new StringReference();
            serie2.SeriesText.StringReference.Formula = "Sheet1!$C$1";

            serie2.SeriesText.StringReference.StringCache = new StringCache();

            StringPoint seriesTextPoint21 = new StringPoint(0, "Series 2");
            serie2.SeriesText.StringReference.StringCache.StringPoints.Add(seriesTextPoint21);

            serie2.CategoryAxis = new CategoryAxis();
            serie2.CategoryAxis.StringReference = new StringReference();
            serie2.CategoryAxis.StringReference.Formula = "Sheet1!$A$2:$A$5";

            serie2.CategoryAxis.StringReference.StringCache = new StringCache();

            StringPoint categoryAxisPoint21 = new StringPoint(0, "Category 1");
            StringPoint categoryAxisPoint22 = new StringPoint(1, "Category 2");
            StringPoint categoryAxisPoint23 = new StringPoint(2, "Category 3");
            StringPoint categoryAxisPoint24 = new StringPoint(3, "Category 4");

            serie2.CategoryAxis.StringReference.StringCache.StringPoints.Add(categoryAxisPoint21);
            serie2.CategoryAxis.StringReference.StringCache.StringPoints.Add(categoryAxisPoint22);
            serie2.CategoryAxis.StringReference.StringCache.StringPoints.Add(categoryAxisPoint23);
            serie2.CategoryAxis.StringReference.StringCache.StringPoints.Add(categoryAxisPoint24);

            serie2.Values = new Values();
            serie2.Values.NumberReference = new NumberReference();
            serie2.Values.NumberReference.Formula = "Sheet1!$C$2:$C$5";

            serie2.Values.NumberReference.NumberCache = new NumberCache();
            serie2.Values.NumberReference.NumberCache.Format = "General";

            NumericPoint valuesPoint21 = new NumericPoint(0, "2.4");
            NumericPoint valuesPoint22 = new NumericPoint(1, "4.4");
            NumericPoint valuesPoint23 = new NumericPoint(2, "1.8");
            NumericPoint valuesPoint24 = new NumericPoint(3, "2.8");

            serie2.Values.NumberReference.NumberCache.NumericPoints.Add(valuesPoint21);
            serie2.Values.NumberReference.NumberCache.NumericPoints.Add(valuesPoint22);
            serie2.Values.NumberReference.NumberCache.NumericPoints.Add(valuesPoint23);
            serie2.Values.NumberReference.NumberCache.NumericPoints.Add(valuesPoint24);

            BarChartSerie serie3 = new BarChartSerie();
            serie3.Index = 2;
            serie3.Order = 2;

            serie3.SeriesText = new SeriesText();
            serie3.SeriesText.StringReference = new StringReference();
            serie3.SeriesText.StringReference.Formula = "Sheet1!$D$1";

            serie3.SeriesText.StringReference.StringCache = new StringCache();

            StringPoint seriesTextPoint31 = new StringPoint(0, "Series 3");
            serie3.SeriesText.StringReference.StringCache.StringPoints.Add(seriesTextPoint31);

            serie3.CategoryAxis = new CategoryAxis();
            serie3.CategoryAxis.StringReference = new StringReference();
            serie3.CategoryAxis.StringReference.Formula = "Sheet1!$A$2:$A$5";

            serie3.CategoryAxis.StringReference.StringCache = new StringCache();

            StringPoint categoryAxisPoint31 = new StringPoint(0, "Category 1");
            StringPoint categoryAxisPoint32 = new StringPoint(1, "Category 2");
            StringPoint categoryAxisPoint33 = new StringPoint(2, "Category 3");
            StringPoint categoryAxisPoint34 = new StringPoint(3, "Category 4");

            serie3.CategoryAxis.StringReference.StringCache.StringPoints.Add(categoryAxisPoint31);
            serie3.CategoryAxis.StringReference.StringCache.StringPoints.Add(categoryAxisPoint32);
            serie3.CategoryAxis.StringReference.StringCache.StringPoints.Add(categoryAxisPoint33);
            serie3.CategoryAxis.StringReference.StringCache.StringPoints.Add(categoryAxisPoint34);

            serie3.Values = new Values();
            serie3.Values.NumberReference = new NumberReference();
            serie3.Values.NumberReference.Formula = "Sheet1!$D$2:$D$5";

            serie3.Values.NumberReference.NumberCache = new NumberCache();
            serie3.Values.NumberReference.NumberCache.Format = "General";

            NumericPoint valuesPoint31 = new NumericPoint(0, "2");
            NumericPoint valuesPoint32 = new NumericPoint(1, "2");
            NumericPoint valuesPoint33 = new NumericPoint(2, "3");
            NumericPoint valuesPoint34 = new NumericPoint(3, "5");

            serie3.Values.NumberReference.NumberCache.NumericPoints.Add(valuesPoint31);
            serie3.Values.NumberReference.NumberCache.NumericPoints.Add(valuesPoint32);
            serie3.Values.NumberReference.NumberCache.NumericPoints.Add(valuesPoint33);
            serie3.Values.NumberReference.NumberCache.NumericPoints.Add(valuesPoint34);

            barChart.Series.Add(serie1);
            barChart.Series.Add(serie2);
            barChart.Series.Add(serie3);

            barChart.FirstAxisID = 1;
            barChart.SecondAxisID = 2;

            //create ChartSpace object and add barChart to the chartSpace
            ChartSpace chartSpace = new ChartSpace();
            chartSpace.PlotArea = new PlotArea();
            chartSpace.PlotArea.Layout = new Layout();
            chartSpace.PlotArea.Charts.Add(barChart);

            ChartCategoryAxis chartCategoryAxis = new ChartCategoryAxis();
            chartCategoryAxis.ID = 1;
            chartCategoryAxis.Scaling = new Scaling();
            chartCategoryAxis.Scaling.Orientation = Independentsoft.Office.Charts.Orientation.MinimumToMaximum;
            chartCategoryAxis.Position = AxisPosition.Bottom;
            chartCategoryAxis.TickLabelPosition = TickLabelPosition.NextTo;
            chartCategoryAxis.CrossingAxisID = 2;
            chartCategoryAxis.Crosses = Crosses.Zero;
            chartCategoryAxis.Auto = true;
            chartCategoryAxis.LabelAlignment = LabelAlignment.Center;
            chartCategoryAxis.LabelOffset = 100;

            ValueAxis valueAxis = new ValueAxis();
            valueAxis.ID = 2;
            valueAxis.Scaling = new Scaling();
            valueAxis.Scaling.Orientation = Independentsoft.Office.Charts.Orientation.MinimumToMaximum;
            valueAxis.Position = AxisPosition.Left;
            valueAxis.MajorGridlines = new MajorGridlines();
            valueAxis.NumberFormat = new NumberFormat();
            valueAxis.NumberFormat.Format = "General";
            valueAxis.NumberFormat.IsSourceLinked = true;
            valueAxis.TickLabelPosition = TickLabelPosition.NextTo;
            valueAxis.CrossingAxisID = 1;
            valueAxis.Crosses = Crosses.Zero;
            valueAxis.CrossBetween = CrossBetween.Between;
        
            chartSpace.PlotArea.Axes.Add(chartCategoryAxis);
            chartSpace.PlotArea.Axes.Add(valueAxis);

            Legend legend = new Legend();
            legend.Position = LegendPosition.Right;
            legend.Layout = new Layout();

            chartSpace.Legend = legend;
            chartSpace.PlotVisibleOnly = true;
           
            //create anchor and add chart to the anchor
            TwoCellAnchor anchor = new TwoCellAnchor();

            anchor.Start = new StartAnchorPoint();
            anchor.Start.Column = 5;
            anchor.Start.ColumnOffset = new Unit(1, UnitType.Pixel);
            anchor.Start.Row = 5;
            anchor.Start.RowOffset = new Unit(1, UnitType.Pixel);

            anchor.End = new EndAnchorPoint();
            anchor.End.Column = 12;
            anchor.End.ColumnOffset = new Unit(33, UnitType.Pixel);
            anchor.End.Row = 19;
            anchor.End.RowOffset = new Unit(9, UnitType.Pixel);

            Independentsoft.Office.Spreadsheet.Drawing.GraphicFrame graphicFrame = new Independentsoft.Office.Spreadsheet.Drawing.GraphicFrame();
            graphicFrame.ID = "1";
            graphicFrame.Name = "Chart 1";
            graphicFrame.GraphicObject = chartSpace;

            graphicFrame.Transform2D = new Independentsoft.Office.Spreadsheet.Drawing.Transform2D();
            graphicFrame.Transform2D.Extents = new Extents(0, 0);
            graphicFrame.Transform2D.Offset = new Offset(0, 0);

            anchor.Element = graphicFrame;
            anchor.ClientData = new ClientData();

            DrawingObjects drawingObjects = new DrawingObjects();
            drawingObjects.Anchors.Add(anchor);

            sheet1.DrawingObjects = drawingObjects;

            book.Sheets.Add(sheet1);

            book.Save("c:\\test\\output.xlsx", true);
        }
    }
}

VB example

Imports System
Imports Independentsoft.Office
Imports Independentsoft.Office.Charts
Imports Independentsoft.Office.Drawing
Imports Independentsoft.Office.Spreadsheet
Imports Independentsoft.Office.Spreadsheet.Drawing

Module Module1
    Sub Main(ByVal args As String())

        Dim book As New Workbook()
        Dim sheet1 As New Worksheet()

        'set cell values 
        sheet1("A2") = New Cell("Category 1")
        sheet1("A3") = New Cell("Category 2")
        sheet1("A4") = New Cell("Category 3")
        sheet1("A5") = New Cell("Category 4")

        sheet1("B1") = New Cell("Series 1")
        sheet1("B2") = New Cell(4.3)
        sheet1("B3") = New Cell(2.5)
        sheet1("B4") = New Cell(3.5)
        sheet1("B5") = New Cell(4.5)

        sheet1("C1") = New Cell("Series 2")
        sheet1("C2") = New Cell(2.4)
        sheet1("C3") = New Cell(4.4)
        sheet1("C4") = New Cell(1.8)
        sheet1("C5") = New Cell(2.8)

        sheet1("D1") = New Cell("Series 3")
        sheet1("D2") = New Cell(2)
        sheet1("D3") = New Cell(2)
        sheet1("D4") = New Cell(3)
        sheet1("D5") = New Cell(5)

        'create Bar Chart 
        Dim barChart As New BarChart()
        barChart.Direction = BarDirection.Column
        barChart.Grouping = BarGrouping.Clustered

        Dim serie1 As New BarChartSerie()
        serie1.Index = 0
        serie1.Order = 0

        serie1.SeriesText = New SeriesText()
        serie1.SeriesText.StringReference = New StringReference()
        serie1.SeriesText.StringReference.Formula = "Sheet1!$B$1"

        serie1.SeriesText.StringReference.StringCache = New StringCache()

        Dim seriesTextPoint11 As New StringPoint(0, "Series 1")
        serie1.SeriesText.StringReference.StringCache.StringPoints.Add(seriesTextPoint11)

        serie1.CategoryAxis = New CategoryAxis()
        serie1.CategoryAxis.StringReference = New StringReference()
        serie1.CategoryAxis.StringReference.Formula = "Sheet1!$A$2:$A$5"

        serie1.CategoryAxis.StringReference.StringCache = New StringCache()

        Dim categoryAxisPoint11 As New StringPoint(0, "Category 1")
        Dim categoryAxisPoint12 As New StringPoint(1, "Category 2")
        Dim categoryAxisPoint13 As New StringPoint(2, "Category 3")
        Dim categoryAxisPoint14 As New StringPoint(3, "Category 4")

        serie1.CategoryAxis.StringReference.StringCache.StringPoints.Add(categoryAxisPoint11)
        serie1.CategoryAxis.StringReference.StringCache.StringPoints.Add(categoryAxisPoint12)
        serie1.CategoryAxis.StringReference.StringCache.StringPoints.Add(categoryAxisPoint13)
        serie1.CategoryAxis.StringReference.StringCache.StringPoints.Add(categoryAxisPoint14)

        serie1.Values = New Values()
        serie1.Values.NumberReference = New NumberReference()
        serie1.Values.NumberReference.Formula = "Sheet1!$B$2:$B$5"

        serie1.Values.NumberReference.NumberCache = New NumberCache()
        serie1.Values.NumberReference.NumberCache.Format = "General"

        Dim valuesPoint11 As New NumericPoint(0, "4.3")
        Dim valuesPoint12 As New NumericPoint(1, "2.5")
        Dim valuesPoint13 As New NumericPoint(2, "3.5")
        Dim valuesPoint14 As New NumericPoint(3, "4.5")

        serie1.Values.NumberReference.NumberCache.NumericPoints.Add(valuesPoint11)
        serie1.Values.NumberReference.NumberCache.NumericPoints.Add(valuesPoint12)
        serie1.Values.NumberReference.NumberCache.NumericPoints.Add(valuesPoint13)
        serie1.Values.NumberReference.NumberCache.NumericPoints.Add(valuesPoint14)

        Dim serie2 As New BarChartSerie()
        serie2.Index = 1
        serie2.Order = 1

        serie2.SeriesText = New SeriesText()
        serie2.SeriesText.StringReference = New StringReference()
        serie2.SeriesText.StringReference.Formula = "Sheet1!$C$1"

        serie2.SeriesText.StringReference.StringCache = New StringCache()

        Dim seriesTextPoint21 As New StringPoint(0, "Series 2")
        serie2.SeriesText.StringReference.StringCache.StringPoints.Add(seriesTextPoint21)

        serie2.CategoryAxis = New CategoryAxis()
        serie2.CategoryAxis.StringReference = New StringReference()
        serie2.CategoryAxis.StringReference.Formula = "Sheet1!$A$2:$A$5"

        serie2.CategoryAxis.StringReference.StringCache = New StringCache()

        Dim categoryAxisPoint21 As New StringPoint(0, "Category 1")
        Dim categoryAxisPoint22 As New StringPoint(1, "Category 2")
        Dim categoryAxisPoint23 As New StringPoint(2, "Category 3")
        Dim categoryAxisPoint24 As New StringPoint(3, "Category 4")

        serie2.CategoryAxis.StringReference.StringCache.StringPoints.Add(categoryAxisPoint21)
        serie2.CategoryAxis.StringReference.StringCache.StringPoints.Add(categoryAxisPoint22)
        serie2.CategoryAxis.StringReference.StringCache.StringPoints.Add(categoryAxisPoint23)
        serie2.CategoryAxis.StringReference.StringCache.StringPoints.Add(categoryAxisPoint24)

        serie2.Values = New Values()
        serie2.Values.NumberReference = New NumberReference()
        serie2.Values.NumberReference.Formula = "Sheet1!$C$2:$C$5"

        serie2.Values.NumberReference.NumberCache = New NumberCache()
        serie2.Values.NumberReference.NumberCache.Format = "General"

        Dim valuesPoint21 As New NumericPoint(0, "2.4")
        Dim valuesPoint22 As New NumericPoint(1, "4.4")
        Dim valuesPoint23 As New NumericPoint(2, "1.8")
        Dim valuesPoint24 As New NumericPoint(3, "2.8")

        serie2.Values.NumberReference.NumberCache.NumericPoints.Add(valuesPoint21)
        serie2.Values.NumberReference.NumberCache.NumericPoints.Add(valuesPoint22)
        serie2.Values.NumberReference.NumberCache.NumericPoints.Add(valuesPoint23)
        serie2.Values.NumberReference.NumberCache.NumericPoints.Add(valuesPoint24)

        Dim serie3 As New BarChartSerie()
        serie3.Index = 2
        serie3.Order = 2

        serie3.SeriesText = New SeriesText()
        serie3.SeriesText.StringReference = New StringReference()
        serie3.SeriesText.StringReference.Formula = "Sheet1!$D$1"

        serie3.SeriesText.StringReference.StringCache = New StringCache()

        Dim seriesTextPoint31 As New StringPoint(0, "Series 3")
        serie3.SeriesText.StringReference.StringCache.StringPoints.Add(seriesTextPoint31)

        serie3.CategoryAxis = New CategoryAxis()
        serie3.CategoryAxis.StringReference = New StringReference()
        serie3.CategoryAxis.StringReference.Formula = "Sheet1!$A$2:$A$5"

        serie3.CategoryAxis.StringReference.StringCache = New StringCache()

        Dim categoryAxisPoint31 As New StringPoint(0, "Category 1")
        Dim categoryAxisPoint32 As New StringPoint(1, "Category 2")
        Dim categoryAxisPoint33 As New StringPoint(2, "Category 3")
        Dim categoryAxisPoint34 As New StringPoint(3, "Category 4")

        serie3.CategoryAxis.StringReference.StringCache.StringPoints.Add(categoryAxisPoint31)
        serie3.CategoryAxis.StringReference.StringCache.StringPoints.Add(categoryAxisPoint32)
        serie3.CategoryAxis.StringReference.StringCache.StringPoints.Add(categoryAxisPoint33)
        serie3.CategoryAxis.StringReference.StringCache.StringPoints.Add(categoryAxisPoint34)

        serie3.Values = New Values()
        serie3.Values.NumberReference = New NumberReference()
        serie3.Values.NumberReference.Formula = "Sheet1!$D$2:$D$5"

        serie3.Values.NumberReference.NumberCache = New NumberCache()
        serie3.Values.NumberReference.NumberCache.Format = "General"

        Dim valuesPoint31 As New NumericPoint(0, "2")
        Dim valuesPoint32 As New NumericPoint(1, "2")
        Dim valuesPoint33 As New NumericPoint(2, "3")
        Dim valuesPoint34 As New NumericPoint(3, "5")

        serie3.Values.NumberReference.NumberCache.NumericPoints.Add(valuesPoint31)
        serie3.Values.NumberReference.NumberCache.NumericPoints.Add(valuesPoint32)
        serie3.Values.NumberReference.NumberCache.NumericPoints.Add(valuesPoint33)
        serie3.Values.NumberReference.NumberCache.NumericPoints.Add(valuesPoint34)

        barChart.Series.Add(serie1)
        barChart.Series.Add(serie2)
        barChart.Series.Add(serie3)

        barChart.FirstAxisID = 1
        barChart.SecondAxisID = 2

        'create ChartSpace object and add barChart to the chartSpace 
        Dim chartSpace As New ChartSpace()
        chartSpace.PlotArea = New PlotArea()
        chartSpace.PlotArea.Layout = New Layout()
        chartSpace.PlotArea.Charts.Add(barChart)

        Dim chartCategoryAxis As New ChartCategoryAxis()
        chartCategoryAxis.ID = 1
        chartCategoryAxis.Scaling = New Scaling()
        chartCategoryAxis.Scaling.Orientation = Independentsoft.Office.Charts.Orientation.MinimumToMaximum
        chartCategoryAxis.Position = AxisPosition.Bottom
        chartCategoryAxis.TickLabelPosition = TickLabelPosition.NextTo
        chartCategoryAxis.CrossingAxisID = 2
        chartCategoryAxis.Crosses = Crosses.Zero
        chartCategoryAxis.Auto = True
        chartCategoryAxis.LabelAlignment = LabelAlignment.Center
        chartCategoryAxis.LabelOffset = 100

        Dim valueAxis As New ValueAxis()
        valueAxis.ID = 2
        valueAxis.Scaling = New Scaling()
        valueAxis.Scaling.Orientation = Independentsoft.Office.Charts.Orientation.MinimumToMaximum
        valueAxis.Position = AxisPosition.Left
        valueAxis.MajorGridlines = New MajorGridlines()
        valueAxis.NumberFormat = New NumberFormat()
        valueAxis.NumberFormat.Format = "General"
        valueAxis.NumberFormat.IsSourceLinked = True
        valueAxis.TickLabelPosition = TickLabelPosition.NextTo
        valueAxis.CrossingAxisID = 1
        valueAxis.Crosses = Crosses.Zero
        valueAxis.CrossBetween = CrossBetween.Between

        chartSpace.PlotArea.Axes.Add(chartCategoryAxis)
        chartSpace.PlotArea.Axes.Add(valueAxis)

        Dim legend As New Legend()
        legend.Position = LegendPosition.Right
        legend.Layout = New Layout()

        chartSpace.Legend = legend
        chartSpace.PlotVisibleOnly = True

        'create anchor and add chart to the anchor 
        Dim anchor As New TwoCellAnchor()

        anchor.Start = New StartAnchorPoint()
        anchor.Start.Column = 5
        anchor.Start.ColumnOffset = New Unit(1, UnitType.Pixel)
        anchor.Start.Row = 5
        anchor.Start.RowOffset = New Unit(1, UnitType.Pixel)

        anchor.[End] = New EndAnchorPoint()
        anchor.[End].Column = 12
        anchor.[End].ColumnOffset = New Unit(33, UnitType.Pixel)
        anchor.[End].Row = 19
        anchor.[End].RowOffset = New Unit(9, UnitType.Pixel)

        Dim graphicFrame As New Independentsoft.Office.Spreadsheet.Drawing.GraphicFrame()
        graphicFrame.ID = "1"
        graphicFrame.Name = "Chart 1"
        graphicFrame.GraphicObject = chartSpace

        graphicFrame.Transform2D = New Independentsoft.Office.Spreadsheet.Drawing.Transform2D()
        graphicFrame.Transform2D.Extents = New Extents(0, 0)
        graphicFrame.Transform2D.Offset = New Offset(0, 0)

        anchor.Element = graphicFrame
        anchor.ClientData = New ClientData()

        Dim drawingObjects As New DrawingObjects()
        drawingObjects.Anchors.Add(anchor)

        sheet1.DrawingObjects = drawingObjects

        book.Sheets.Add(sheet1)

        book.Save("c:\test\output.xlsx", True)

    End Sub
End Module

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Spreadsheet .NET > Tutorial > Create Bar Chart

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