Show or hide Excel chart legend in C#, VB.NET

using Syncfusion.XlsIO;

Imports Syncfusion.XlsIO

using (ExcelEngine excelEngine = new ExcelEngine())
{
    //Instantiate the application object
    IApplication application = excelEngine.Excel;
 
    //Open the workbook containing chart
    IWorkbook workbook = application.Workbooks.Open("Sample.xlsx", ExcelOpenType.Automatic);
 
    //Accessing the first worksheet
    IWorksheet worksheet = workbook.Worksheets[0];
 
    //Accessig first chart in the worksheet
    IChart chart = worksheet.Charts[0];
                
    //To hide legend in chart
    chart.HasLegend = false;
 
    //Save the file
    string fileName = "Output.xlsx";
    workbook.SaveAs(fileName);
 
    System.Diagnostics.Process.Start(Path.GetFullPath(fileName));
}

Using excelEngine As ExcelEngine = New ExcelEngine()
    'Instantiate the application object
    Dim application As IApplication = excelEngine.Excel
 
    'Open the workbook containing chart
    Dim workbook As IWorkbook = application.Workbooks.Open("Sample.xlsx", ExcelOpenType.Automatic)
 
    'Accessing the first worksheet
    Dim sheet As IWorksheet = workbook.Worksheets(0)
 
    'Accessig first chart in the worksheet
    Dim chart As IChart = sheet.Charts(0)
 
    'To hide legend in chart
    chart.HasLegend = False
 
    'Save the file
    Dim fileName As String = "Output.xlsx"
    workbook.SaveAs(fileName)
 
    System.Diagnostics.Process.Start(Path.GetFullPath(fileName))
End Using