How to hide chart legend in C#,VB.NET?

using Syncfusion.XlsIO;
using Syncfusion.XlsIO.Implementation.Shapes;
using System.Drawing;
using System.IO;
using System.Reflection;
 
namespace XlsIO_Sample
{
    class Program
    {
        public static void Main(string[] args)
        {
            //Instantiate the spreadsheet creation engine
            using (ExcelEngine excelEngine = new ExcelEngine())
            {
                IApplication application = excelEngine.Excel;
 
                //Create a workbook
                IWorkbook workbook = application.Workbooks.Create(1);
                IWorksheet worksheet = workbook.Worksheets[0];
 
                //Add chart data
                worksheet.Range["A1"].Text = "Crescent City, CA";
                worksheet.Range["B3"].Text = "Precipitation,in.";
                worksheet.Range["C3"].Text = "Temperature,deg.F";
                worksheet.Range["D3"].Text = "Whether.rep";
                worksheet.Range["A4"].Text = "Jan";
                worksheet.Range["A5"].Text = "Feb";
                worksheet.Range["B4"].Number = 10.9;
                worksheet.Range["B5"].Number = 8.9;
                worksheet.Range["C4"].Number = 47.5;
                worksheet.Range["C5"].Number = 48.7;
                worksheet.Range["D4"].Number = 47.5;
                worksheet.Range["D5"].Number = 48.7;
 
                //Add a chart to the worksheet
                IChart chart = worksheet.Charts.Add();
 
                //Sets data range and chart type
                chart.DataRange = worksheet.Range["A3:D5"];
                chart.ChartType = ExcelChartType.Column_Clustered_3D;
 
                //Hide chart legend
                chart.HasLegend = false;
 
                //Save and close the workbook
                Stream outStream = File.Create("Output.xlsx");
                workbook.SaveAs(outStream);
            }
        }
    }
}
 

 
Imports Syncfusion.XlsIO
Imports Syncfusion.XlsIO.Implementation.Shapes
Imports System.Drawing
Imports System.IO
Imports System.Reflection
 
Namespace XlsIO_Sample
 
    Class Program
        Public Shared Sub Main(ByVal args As String())
            'Instantiate the spreadsheet creation engine
            Using excelEngine As ExcelEngine = New ExcelEngine()
 
                Dim application As IApplication = excelEngine.Excel
 
                'Create a workbook
                Dim workbook As IWorkbook = application.Workbooks.Create(1)
                Dim worksheet As IWorksheet = workbook.Worksheets(0)
 
                worksheet.Range("A1").Text = "Crescent City, CA"
                worksheet.Range("B3").Text = "Precipitation,in."
                worksheet.Range("C3").Text = "Temperature,deg.F"
                worksheet.Range("D3").Text = "Whether.rep"
                worksheet.Range("A4").Text = "Jan"
                worksheet.Range("A5").Text = "Feb"
                worksheet.Range("B4").Number = 10.9
                worksheet.Range("B5").Number = 8.9
                worksheet.Range("C4").Number = 47.5
                worksheet.Range("C5").Number = 48.7
                worksheet.Range("D4").Number = 47.5
                worksheet.Range("D5").Number = 48.7
 
                'Add a chart to the worksheet
                Dim chart As IChart = worksheet.Charts.Add()
 
                'Set data range and chart type
                chart.DataRange = worksheet.Range("A3:D5")
                chart.ChartType = ExcelChartType.Column_Clustered_3D
 
                'Hide chart legend
                chart.HasLegend = False
 
                'Save and close the workbook
                Dim outStream As Stream = File.Create("Output.xlsx")
                workbook.SaveAs(outStream)
            End Using
        End Sub
    End Class
End Namespace