Interface IChartLegend

Represents the legend of the chart.

Namespace: Syncfusion.XlsIO

Assembly: Syncfusion.XlsIO.Portable.dll

Syntax

public interface IChartLegend

Properties

FrameFormat

Represents IChartFrameFormat object for the legend.

Declaration

IChartFrameFormat FrameFormat { get; }

Property Value

Type
IChartFrameFormat

Remarks

To know more about charts refer this link.

Examples

The following code illustrates use of FrameFormat property.

      using (ExcelEngine excelEngine = new ExcelEngine())
      {
        //Create a worksheet.        
        IApplication application = excelEngine.Excel;
        application.DefaultVersion = ExcelVersion.Excel2013;
        IWorkbook workbook = application.Workbooks.Create(1);
        IWorksheet sheet = workbook.Worksheets[0];
        sheet.Range["A1"].Text = "Student ID";
        sheet.Range["B1"].Text = "Student Name";
        sheet.Range["C1"].Text = "Mark(Out of 100)";
        sheet.Range["A1:C1"].AutofitColumns();
        sheet.Range["A2"].Number = 1;
        sheet.Range["A3"].Number = 2;
        sheet.Range["A4"].Number = 3;
        sheet.Range["A5"].Number = 4;
        sheet.Range["A6"].Number = 5;
        sheet.Range["B2"].Text = "Andrew";
        sheet.Range["B3"].Text = "Marson";
        sheet.Range["B4"].Text = "Jack";
        sheet.Range["B5"].Text = "Sam";
        sheet.Range["B6"].Text = "Breto";
        sheet.Range["C2"].Number = 77;
        sheet.Range["C3"].Number = 45;
        sheet.Range["C4"].Number = 92;
        sheet.Range["C5"].Number = 39;
        sheet.Range["C6"].Number = 55;

        //Create a Chart
        IChartShape chart = sheet.Charts.Add();
        chart.LeftColumn = 5;
        chart.RightColumn = 11;
        chart.Name = "Student Sample Chart";
        chart.ChartType = ExcelChartType.Cone_Clustered_3D;
        chart.DataRange = sheet.Range["B2:C6"];

        //sets frame fromat for the legend
        chart.Legend.FrameFormat.Border.LineColor = System.Drawing.Color.Orange;
        chart.Legend.FrameFormat.Border.LinePattern = ExcelChartLinePattern.DashDotDot;

        workbook.SaveAs("Charts.xlsx");
        workbook.Close();
      }

IncludeInLayout

True to show legend without overlapping the chart. otherwise False. The default is True.

Declaration

bool IncludeInLayout { get; set; }

Property Value

Type
System.Boolean

Remarks

Not applicable to Binary files. To know more about charts refer this link.

Examples

The following code illustrates use of IncludeInLayout property.

      using (ExcelEngine excelEngine = new ExcelEngine())
      {
        //Create a worksheet.        
        IApplication application = excelEngine.Excel;
        application.DefaultVersion = ExcelVersion.Excel2013;
        IWorkbook workbook = application.Workbooks.Create(1);
        IWorksheet sheet = workbook.Worksheets[0];
        sheet.Range["A1"].Text = "Student ID";
        sheet.Range["B1"].Text = "Student Name";
        sheet.Range["C1"].Text = "Mark(Out of 100)";
        sheet.Range["A1:C1"].AutofitColumns();
        sheet.Range["A2"].Number = 1;
        sheet.Range["A3"].Number = 2;
        sheet.Range["A4"].Number = 3;
        sheet.Range["A5"].Number = 4;
        sheet.Range["A6"].Number = 5;
        sheet.Range["B2"].Text = "Andrew";
        sheet.Range["B3"].Text = "Marson";
        sheet.Range["B4"].Text = "Jack";
        sheet.Range["B5"].Text = "Sam";
        sheet.Range["B6"].Text = "Breto";
        sheet.Range["C2"].Number = 77;
        sheet.Range["C3"].Number = 45;
        sheet.Range["C4"].Number = 92;
        sheet.Range["C5"].Number = 39;
        sheet.Range["C6"].Number = 55;

        //Create a Chart
        IChartShape chart = sheet.Charts.Add();
        chart.LeftColumn = 5;
        chart.RightColumn = 11;
        chart.Name = "Student Sample Chart";
        chart.ChartType = ExcelChartType.Cone_Clustered_3D;
        chart.DataRange = sheet.Range["B2:C6"];

        //True to show legend without overlapping the chart
        IChartLegend chartLegend = chart.Legend;
        chartLegend.IncludeInLayout = true;   

        workbook.SaveAs("Charts.xlsx");
        workbook.Close();
      }

IsVerticalLegend

True if the legend is vertical. False if the legend is horizontal.

Declaration

bool IsVerticalLegend { get; set; }

Property Value

Type
System.Boolean

Remarks

Manual-sized legends always have this bit set to False. For right and left position IsVerticalLegent is true. For Top and Bottom position IsVerticalLegent is false. To know more about charts refer this link.

Examples

The following code illustrates use of IsVerticalLegend property.

      using (ExcelEngine excelEngine = new ExcelEngine())
      {
        //Create a worksheet.        
        IApplication application = excelEngine.Excel;
        application.DefaultVersion = ExcelVersion.Excel2013;
        IWorkbook workbook = application.Workbooks.Create(1);
        IWorksheet sheet = workbook.Worksheets[0];
        sheet.Range["A1"].Text = "Student ID";
        sheet.Range["B1"].Text = "Student Name";
        sheet.Range["C1"].Text = "Mark(Out of 100)";
        sheet.Range["A1:C1"].AutofitColumns();
        sheet.Range["A2"].Number = 1;
        sheet.Range["A3"].Number = 2;
        sheet.Range["A4"].Number = 3;
        sheet.Range["A5"].Number = 4;
        sheet.Range["A6"].Number = 5;
        sheet.Range["B2"].Text = "Andrew";
        sheet.Range["B3"].Text = "Marson";
        sheet.Range["B4"].Text = "Jack";
        sheet.Range["B5"].Text = "Sam";
        sheet.Range["B6"].Text = "Breto";
        sheet.Range["C2"].Number = 77;
        sheet.Range["C3"].Number = 45;
        sheet.Range["C4"].Number = 92;
        sheet.Range["C5"].Number = 39;
        sheet.Range["C6"].Number = 55;

        //Create a Chart
        IChartShape chart = sheet.Charts.Add();
        chart.LeftColumn = 5;
        chart.RightColumn = 11;
        chart.Name = "Student Sample Chart";
        chart.ChartType = ExcelChartType.Cone_Clustered_3D;
        chart.DataRange = sheet.Range["B2:C6"];
        chart.Legend.Position = ExcelLegendPosition.Right;

        //True if the legend is vertical      
        if(chart.Legend.IsVerticalLegend)
        {
            //Your code here
        }    

        workbook.SaveAs("Charts.xlsx");
        workbook.Close();
      }

Layout

Gets or sets the layout options of the legend.

Declaration

IChartLayout Layout { get; set; }

Property Value

Type
IChartLayout

Remarks

To know more about charts refer this link.

Examples

The following code illustrates use of Layout property.

      using (ExcelEngine excelEngine = new ExcelEngine())
      {
        //Create a worksheet.        
        IApplication application = excelEngine.Excel;
        application.DefaultVersion = ExcelVersion.Excel2013;
        IWorkbook workbook = application.Workbooks.Create(1);
        IWorksheet sheet = workbook.Worksheets[0];
        sheet.Range["A1"].Text = "Student ID";
        sheet.Range["B1"].Text = "Student Name";
        sheet.Range["C1"].Text = "Mark(Out of 100)";
        sheet.Range["A1:C1"].AutofitColumns();
        sheet.Range["A2"].Number = 1;
        sheet.Range["A3"].Number = 2;
        sheet.Range["A4"].Number = 3;
        sheet.Range["A5"].Number = 4;
        sheet.Range["A6"].Number = 5;
        sheet.Range["B2"].Text = "Andrew";
        sheet.Range["B3"].Text = "Marson";
        sheet.Range["B4"].Text = "Jack";
        sheet.Range["B5"].Text = "Sam";
        sheet.Range["B6"].Text = "Breto";
        sheet.Range["C2"].Number = 77;
        sheet.Range["C3"].Number = 45;
        sheet.Range["C4"].Number = 92;
        sheet.Range["C5"].Number = 39;
        sheet.Range["C6"].Number = 55;

        //Create a Chart
        IChartShape chart = sheet.Charts.Add();
        chart.LeftColumn = 5;
        chart.RightColumn = 11;
        chart.Name = "Student Sample Chart";
        chart.ChartType = ExcelChartType.Cone_Clustered_3D;
        chart.DataRange = sheet.Range["B2:C6"];

        //sets the layout options of the legend
        chart.Legend.Layout.Height = 100;
        chart.Legend.Layout.Width = 60;  

        workbook.SaveAs("Charts.xlsx");
        workbook.Close();
      }

LegendEntries

Gets the collection of legend entries. Read-only.

Declaration

IChartLegendEntries LegendEntries { get; }

Property Value

Type
IChartLegendEntries

Remarks

To know more about charts refer this link.

Examples

The following code illustrates use of LegendEntries property.

      using (ExcelEngine excelEngine = new ExcelEngine())
      {
        //Create a worksheet.        
        IApplication application = excelEngine.Excel;
        application.DefaultVersion = ExcelVersion.Excel2013;
        IWorkbook workbook = application.Workbooks.Create(1);
        IWorksheet sheet = workbook.Worksheets[0];
        sheet.Range["A1"].Text = "Student ID";
        sheet.Range["B1"].Text = "Student Name";
        sheet.Range["C1"].Text = "Mark(Out of 100)";
        sheet.Range["A1:C1"].AutofitColumns();
        sheet.Range["A2"].Number = 1;
        sheet.Range["A3"].Number = 2;
        sheet.Range["A4"].Number = 3;
        sheet.Range["A5"].Number = 4;
        sheet.Range["A6"].Number = 5;
        sheet.Range["B2"].Text = "Andrew";
        sheet.Range["B3"].Text = "Marson";
        sheet.Range["B4"].Text = "Jack";
        sheet.Range["B5"].Text = "Sam";
        sheet.Range["B6"].Text = "Breto";
        sheet.Range["C2"].Number = 77;
        sheet.Range["C3"].Number = 45;
        sheet.Range["C4"].Number = 92;
        sheet.Range["C5"].Number = 39;
        sheet.Range["C6"].Number = 55;

        //Create a Chart
        IChartShape chart = sheet.Charts.Add();
        chart.LeftColumn = 5;
        chart.RightColumn = 11;
        chart.Name = "Student Sample Chart";
        chart.ChartType = ExcelChartType.Cone_Clustered_3D;
        chart.DataRange = sheet.Range["B2:C6"];

        //Gets the count of legend entries.
        int legendEntriesCount = chart.Legend.LegendEntries.Count;
        if (legendEntriesCount != 0)
        {
            //Your code here
        }    

        //Legent entry text area color
        chart.Legend.LegendEntries[0].TextArea.Color = ExcelKnownColors.Blue_grey;

        workbook.SaveAs("Charts.xlsx");
        workbook.Close();
      }

Position

Gets or sets the position of legend on the chart. The position values on the chart from ExcelLegendPosition.

Declaration

ExcelLegendPosition Position { get; set; }

Property Value

Type
ExcelLegendPosition

Remarks

To know more about charts refer this link.

Examples

The following code illustrates use of Position property.

      using (ExcelEngine excelEngine = new ExcelEngine())
      {
        //Create a worksheet.        
        IApplication application = excelEngine.Excel;
        application.DefaultVersion = ExcelVersion.Excel2013;
        IWorkbook workbook = application.Workbooks.Create(1);
        IWorksheet sheet = workbook.Worksheets[0];
        sheet.Range["A1"].Text = "Student ID";
        sheet.Range["B1"].Text = "Student Name";
        sheet.Range["C1"].Text = "Mark(Out of 100)";
        sheet.Range["A1:C1"].AutofitColumns();
        sheet.Range["A2"].Number = 1;
        sheet.Range["A3"].Number = 2;
        sheet.Range["A4"].Number = 3;
        sheet.Range["A5"].Number = 4;
        sheet.Range["A6"].Number = 5;
        sheet.Range["B2"].Text = "Andrew";
        sheet.Range["B3"].Text = "Marson";
        sheet.Range["B4"].Text = "Jack";
        sheet.Range["B5"].Text = "Sam";
        sheet.Range["B6"].Text = "Breto";
        sheet.Range["C2"].Number = 77;
        sheet.Range["C3"].Number = 45;
        sheet.Range["C4"].Number = 92;
        sheet.Range["C5"].Number = 39;
        sheet.Range["C6"].Number = 55;

        //Create a Chart
        IChartShape chart = sheet.Charts.Add();
        chart.LeftColumn = 5;
        chart.RightColumn = 11;
        chart.Name = "Student Sample Chart";
        chart.ChartType = ExcelChartType.Cone_Clustered_3D;
        chart.DataRange = sheet.Range["B2:C6"];

        //sets the position of legend on the chart.
        chart.Legend.Position = ExcelLegendPosition.Top;    

        workbook.SaveAs("Charts.xlsx");
        workbook.Close();
      }

TextArea

Gets the text area of the legend. Read-only.

Declaration

IChartTextArea TextArea { get; }

Property Value

Type
IChartTextArea

Remarks

To know more about charts refer this link.

Examples

The following code illustrates use of TextArea property.

      using (ExcelEngine excelEngine = new ExcelEngine())
      {
        //Create a worksheet.        
        IApplication application = excelEngine.Excel;
        application.DefaultVersion = ExcelVersion.Excel2013;
        IWorkbook workbook = application.Workbooks.Create(1);
        IWorksheet sheet = workbook.Worksheets[0];
        sheet.Range["A1"].Text = "Student ID";
        sheet.Range["B1"].Text = "Student Name";
        sheet.Range["C1"].Text = "Mark(Out of 100)";
        sheet.Range["A1:C1"].AutofitColumns();
        sheet.Range["A2"].Number = 1;
        sheet.Range["A3"].Number = 2;
        sheet.Range["A4"].Number = 3;
        sheet.Range["A5"].Number = 4;
        sheet.Range["A6"].Number = 5;
        sheet.Range["B2"].Text = "Andrew";
        sheet.Range["B3"].Text = "Marson";
        sheet.Range["B4"].Text = "Jack";
        sheet.Range["B5"].Text = "Sam";
        sheet.Range["B6"].Text = "Breto";
        sheet.Range["C2"].Number = 77;
        sheet.Range["C3"].Number = 45;
        sheet.Range["C4"].Number = 92;
        sheet.Range["C5"].Number = 39;
        sheet.Range["C6"].Number = 55;

        //Create a Chart
        IChartShape chart = sheet.Charts.Add();
        chart.LeftColumn = 5;
        chart.RightColumn = 11;
        chart.Name = "Student Sample Chart";
        chart.ChartType = ExcelChartType.Cone_Clustered_3D;
        chart.DataRange = sheet.Range["B2:C6"];

        //sets text area for the legend
        chart.Legend.TextArea.Color = ExcelKnownColors.Blue_grey;
        chart.Legend.TextArea.Size = 10;
        chart.Legend.TextArea.FontName = "Bernard MT Condensed";

        workbook.SaveAs("Charts.xlsx");
        workbook.Close();
      }

X

Gets the X co-ordinate of upper-left corner of the legend. 1/4000 of chart plot.

Declaration

int X { get; set; }

Property Value

Type
System.Int32

Remarks

To know more about charts refer this link.

Examples

The following code illustrates use of X co-ordinate of upper-left corner of the legend.

      using (ExcelEngine excelEngine = new ExcelEngine())
      {
        //Create a worksheet.        
        IApplication application = excelEngine.Excel;
        application.DefaultVersion = ExcelVersion.Excel2013;
        IWorkbook workbook = application.Workbooks.Create(1);
        IWorksheet sheet = workbook.Worksheets[0];
        sheet.Range["A1"].Text = "Student ID";
        sheet.Range["B1"].Text = "Student Name";
        sheet.Range["C1"].Text = "Mark(Out of 100)";
        sheet.Range["A1:C1"].AutofitColumns();
        sheet.Range["A2"].Number = 1;
        sheet.Range["A3"].Number = 2;
        sheet.Range["A4"].Number = 3;
        sheet.Range["A5"].Number = 4;
        sheet.Range["A6"].Number = 5;
        sheet.Range["B2"].Text = "Andrew";
        sheet.Range["B3"].Text = "Marson";
        sheet.Range["B4"].Text = "Jack";
        sheet.Range["B5"].Text = "Sam";
        sheet.Range["B6"].Text = "Breto";
        sheet.Range["C2"].Number = 77;
        sheet.Range["C3"].Number = 45;
        sheet.Range["C4"].Number = 92;
        sheet.Range["C5"].Number = 39;
        sheet.Range["C6"].Number = 55;

        //Create a Chart
        IChartShape chart = sheet.Charts.Add();
        chart.LeftColumn = 5;
        chart.RightColumn = 11;
        chart.Name = "Student Sample Chart";
        chart.ChartType = ExcelChartType.Cone_Clustered_3D;
        chart.DataRange = sheet.Range["B2:C6"];

        //X co-ordinate of upper-left corner of the legend
        chart.Legend.X = -80;
        chart.Legend.Y = 30;

        workbook.SaveAs("Charts.xlsx");
        workbook.Close();
      }

Y

Gets the Y co-ordinate of upper-left corner of the legend. 1/4000 of chart plot.

Declaration

int Y { get; set; }

Property Value

Type
System.Int32

Remarks

To know more about charts refer this link.

Examples

The following code illustrates use of Y co-ordinate of upper-left corner of the legend.

      using (ExcelEngine excelEngine = new ExcelEngine())
      {
        //Create a worksheet.        
        IApplication application = excelEngine.Excel;
        application.DefaultVersion = ExcelVersion.Excel2013;
        IWorkbook workbook = application.Workbooks.Create(1);
        IWorksheet sheet = workbook.Worksheets[0];
        sheet.Range["A1"].Text = "Student ID";
        sheet.Range["B1"].Text = "Student Name";
        sheet.Range["C1"].Text = "Mark(Out of 100)";
        sheet.Range["A1:C1"].AutofitColumns();
        sheet.Range["A2"].Number = 1;
        sheet.Range["A3"].Number = 2;
        sheet.Range["A4"].Number = 3;
        sheet.Range["A5"].Number = 4;
        sheet.Range["A6"].Number = 5;
        sheet.Range["B2"].Text = "Andrew";
        sheet.Range["B3"].Text = "Marson";
        sheet.Range["B4"].Text = "Jack";
        sheet.Range["B5"].Text = "Sam";
        sheet.Range["B6"].Text = "Breto";
        sheet.Range["C2"].Number = 77;
        sheet.Range["C3"].Number = 45;
        sheet.Range["C4"].Number = 92;
        sheet.Range["C5"].Number = 39;
        sheet.Range["C6"].Number = 55;

        //Create a Chart
        IChartShape chart = sheet.Charts.Add();
        chart.LeftColumn = 5;
        chart.RightColumn = 11;
        chart.Name = "Student Sample Chart";
        chart.ChartType = ExcelChartType.Cone_Clustered_3D;
        chart.DataRange = sheet.Range["B2:C6"];

        //Y co-ordinate of upper-left corner of the legend
        chart.Legend.Y = 30;
        chart.Legend.X = -80;       

        workbook.SaveAs("Charts.xlsx");
        workbook.Close();
      }

Methods

Clear()

Clears the chart legend.

Declaration

void Clear()

Remarks

To know more about charts refer this link.

Examples

The following code illustrates how to use the Clear method for legend of chart.

      using (ExcelEngine excelEngine = new ExcelEngine())
      {
        //Create a worksheet.        
        IApplication application = excelEngine.Excel;
        application.DefaultVersion = ExcelVersion.Excel2013;
        IWorkbook workbook = application.Workbooks.Open("Sample.xlsx");
        IWorksheet sheet = workbook.Worksheets[0];

        //Clears the legend of chart
        sheet.Charts[0].Legend.Clear();

        workbook.SaveAs("Charts.xlsx");
        workbook.Close();
      }

Delete()

Deletes the chart legend.

Declaration

void Delete()

Remarks

To know more about charts refer this link.

Examples

The following code illustrates how to use the Delete method for legend of chart.

      using (ExcelEngine excelEngine = new ExcelEngine())
      {
        //Create a worksheet.        
        IApplication application = excelEngine.Excel;
        application.DefaultVersion = ExcelVersion.Excel2013;
        IWorkbook workbook = application.Workbooks.Open("Sample.xlsx");
        IWorksheet sheet = workbook.Worksheets[0];

        //Delete the legend of chart
        sheet.Charts[0].Legend.Delete();

        workbook.SaveAs("Charts.xlsx");
        workbook.Close();
      }