## Marker class

Represents the marker in a line chart, scatter chart, or radar chart.

```csharp
public class Marker
```

## Properties

| Name | Description |
| --- | --- |
| [Area](../../aspose.cells.charts/marker/area/) { get; } | Gets the [`area`](./area/). |
| [BackgroundColor](../../aspose.cells.charts/marker/backgroundcolor/) { get; set; } | Represents the marker background color in a line chart, scatter chart, or radar chart. |
| [BackgroundColorSetType](../../aspose.cells.charts/marker/backgroundcolorsettype/) { get; set; } | Gets or sets the marker background color set type. |
| [Border](../../aspose.cells.charts/marker/border/) { get; } | Gets the [`border`](../../aspose.cells.drawing/line/). |
| [ForegroundColor](../../aspose.cells.charts/marker/foregroundcolor/) { get; set; } | Represents the marker foreground color in a line chart, scatter chart, or radar chart. |
| [ForegroundColorSetType](../../aspose.cells.charts/marker/foregroundcolorsettype/) { get; set; } | Gets or sets the marker foreground color set type. |
| [MarkerSize](../../aspose.cells.charts/marker/markersize/) { get; set; } | Represents the marker size in unit of points. Applies to line chart, scatter chart, or radar chart. |
| [MarkerSizePx](../../aspose.cells.charts/marker/markersizepx/) { get; set; } | Represents the marker size in units of pixels. Applies to line charts, scatter charts, or radar charts. |
| [MarkerStyle](../../aspose.cells.charts/marker/markerstyle/) { get; set; } | Represents the marker style. Applies to a line chart, a scatter chart, or a radar chart. |

### Examples

```csharp
namespace AsposeCellsExamples
{
    using Aspose.Cells;
    using Aspose.Cells.Charts;
    using Aspose.Cells.Drawing;
    using System;
    using System.Drawing;

    public class MarkerDemo
    {
        public static void MarkerExample()
        {
            // Create a new workbook
            Workbook workbook = new Workbook();
            // Obtain the reference of the first worksheet
            Worksheet worksheet = workbook.Worksheets[0];

            // Add sample data to cells
            worksheet.Cells["A1"].PutValue(50);
            worksheet.Cells["A2"].PutValue(100);
            worksheet.Cells["A3"].PutValue(150);
            worksheet.Cells["B1"].PutValue(60);
            worksheet.Cells["B2"].PutValue(32);
            worksheet.Cells["B3"].PutValue(50);

            // Add a chart to the worksheet
            int chartIndex = worksheet.Charts.Add(ChartType.Line, 5, 0, 15, 5);
            Chart chart = worksheet.Charts[chartIndex];

            // Add NSeries (chart data source) to the chart ranging from "A1" cell to "B3"
            chart.NSeries.Add("A1:B3", true);

            // Access the first series
            Series series = chart.NSeries[0];

            // Set marker properties
            series.Marker.MarkerStyle = ChartMarkerType.Circle;
            series.Marker.MarkerSize = 10; // Size in points
            series.Marker.MarkerSizePx = 20; // Size in pixels
            series.Marker.ForegroundColor = Color.Red;
            series.Marker.ForegroundColorSetType = FormattingType.Custom;
            series.Marker.BackgroundColor = Color.Yellow;
            series.Marker.BackgroundColorSetType = FormattingType.Custom;

            // Save the workbook
            workbook.Save("MarkerExample.xlsx");
        }
    }
}
```

### See Also

* namespace [Aspose.Cells.Charts](../../aspose.cells.charts/)
* assembly [Aspose.Cells](../../)