## BackgroundMode enumeration

Represents the display mode of the background.

```csharp
public enum BackgroundMode
```

### Values

| Name | Value | Description |
| --- | --- | --- |
| Automatic | `0` | Automatic |
| Opaque | `1` | Opaque |
| Transparent | `2` | Transparent |

### Examples

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

    public class BackgroundModeDemo
    {
        public static void BackgroundModeExample()
        {
            // Create a new workbook
            Workbook workbook = new Workbook();
            
            // Obtain the reference of the first worksheet
            Worksheet worksheet = workbook.Worksheets[0];
            
            // Add some 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.Column, 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 chart area
            ChartArea chartArea = chart.ChartArea;

            // Set the foreground color of the chart area
            chartArea.Area.ForegroundColor = Color.Yellow;

            // Set the background mode of the chart area
            chartArea.BackgroundMode = BackgroundMode.Opaque;
            chartArea.Area.Transparency = 0.8;           
            
            
            // Set the shadow of the chart area
            chartArea.Shadow = true;
            
            // Save the workbook
            workbook.Save("BackgroundModeExample.xlsx");
            workbook.Save("BackgroundModeExample.pdf");
        }
    }
}
```

### See Also

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