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How to set size of bubbles for Excel bubble chart in C#, VB.NET?

Platform: WinForms |
Control: XlsIO

This article explains how to set size of bubbles for bubble chart using XlsIO.

How to set size of bubbles?

To change the size of the bubbles in the bubble chart, change the BubbleScale property value in XlsIO. By default this value will be set to 100.

Code snippet to set bubble size

//Set bubble size
IChartSerie serie = chart.Series.Add();
serie.SerieFormat.CommonSerieOptions.BubbleScale = 130;

 

Download Complete Sample

Download input file with data

To know more about creating charts with various settings using XlsIO, please refer the documentation.

The following C#/ VB.NET complete code snippet shows how to set size of bubbles for bubble chart using XlsIO.

C#

using Syncfusion.XlsIO;
using System.Reflection;
using System.IO;
 
namespace ChartSample
{
    class Program
    {
        static void Main(string[] args)
        {
            using (ExcelEngine excelEngine = new ExcelEngine())
            {
                IApplication application = excelEngine.Excel;
                application.DefaultVersion = ExcelVersion.Excel2016;
 
                //Open existing workbook with data entered
                Assembly assembly = typeof(Program).GetTypeInfo().Assembly;
                Stream fileStream = assembly.GetManifestResourceStream("ChartSample.InputTemplate.xlsx");
                IWorkbook workbook = application.Workbooks.Open(fileStream);
                IWorksheet worksheet = workbook.Worksheets[0];
 
                //Initialize chart
                IChartShape chart = worksheet.Charts.Add();
                chart.ChartType = ExcelChartType.Bubble;
 
                //Apply chart elements
                //Set chart title
                chart.ChartTitle = "Bubble Chart";
 
                //Set legend
                chart.HasLegend = false;
 
                //Set categoryLabels and values
                IChartSerie serie = chart.Series.Add();
                serie.CategoryLabels = worksheet.Range["B2:B4"];
                serie.Values = worksheet.Range["C2:C4"];
                serie.Bubbles = worksheet.Range["D2:D4"];
 
                //Set bubble size
                serie.SerieFormat.CommonSerieOptions.BubbleScale = 130;
 
                //Positioning the chart in the worksheet
                chart.TopRow = 8;
                chart.LeftColumn = 1;
                chart.BottomRow = 23;
                chart.RightColumn = 8;
 
                //Saving the workbook
                Stream stream = File.Create("Output.xlsx");
                workbook.SaveAs(stream);
            }
        }
    }
}

VB

Imports Syncfusion.XlsIO
Imports System.Reflection
Imports System.IO
 
Namespace ChartSample
 
    Class Program
 
        Public Shared Sub Main(ByVal args() As String)
            Using excelEngine As ExcelEngine = New ExcelEngine
                Dim application As IApplication = excelEngine.Excel
                application.DefaultVersion = ExcelVersion.Excel2016
 
                'Open existing workbook with data entered
                Dim assembly As Assembly = GetType(Program).GetTypeInfo.Assembly
                Dim fileStream As Stream = assembly.GetManifestResourceStream("ChartSample.InputTemplate.xlsx")
                Dim workbook As IWorkbook = application.Workbooks.Open(fileStream)
                Dim worksheet As IWorksheet = workbook.Worksheets(0)
 
                'Initialize chart
                Dim chart As IChartShape = worksheet.Charts.Add
                chart.ChartType = ExcelChartType.Bubble
 
                'Apply chart elements
                'Set chart title
                chart.ChartTitle = "Bubble Chart"
 
                'Set legend
                chart.HasLegend = False
 
                'Set categoryLabels and values
                Dim serie As IChartSerie = chart.Series.Add
                serie.CategoryLabels = worksheet.Range("B2:B4")
                serie.Values = worksheet.Range("C2:C4")
                serie.Bubbles = worksheet.Range("D2:D4")
 
                'Set bubble size
                serie.SerieFormat.CommonSerieOptions.BubbleScale = 130
 
                'Positioning the chart in the worksheet
                chart.TopRow = 8
                chart.LeftColumn = 1
                chart.BottomRow = 23
                chart.RightColumn = 8
 
                'Saving the workbook
                Dim stream As Stream = File.Create("Output.xlsx")
                workbook.SaveAs(stream)
            End Using
        End Sub
    End Class
End Namespace

 

C:\Users\kondurukeerthi.kondu\AppData\Local\Microsoft\Windows\INetCache\Content.Word\Capture.png

Bubble size set to 130 for bubble chart using XlsIO

 

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