## PresetShadowType enumeration

Represents preset shadow type.

```csharp
public enum PresetShadowType
```

### Values

| Name | Value | Description |
| --- | --- | --- |
| NoShadow | `0` | No shadow. |
| Custom | `1` | Custom shadow. |
| OffsetDiagonalBottomRight | `2` | Outer shadow offset diagonal bottom right. |
| OffsetBottom | `3` | Outer shadow offset bottom. |
| OffsetDiagonalBottomLeft | `4` | Outer shadow offset diagonal bottom left. |
| OffsetRight | `5` | Outer shadow offset right. |
| OffsetCenter | `6` | Outer shadow offset center. |
| OffsetLeft | `7` | Outer shadow offset left. |
| OffsetDiagonalTopRight | `8` | Outer shadow offset diagonal top right. |
| OffsetTop | `9` | Outer shadow offset top. |
| OffsetDiagonalTopLeft | `10` | Outer shadow offset diagonal top left. |
| InsideDiagonalTopLeft | `11` | Inner shadow inside diagonal top Left. |
| InsideTop | `12` | Inner shadow inside top. |
| InsideDiagonalTopRight | `13` | Inner shadow inside diagonal top right. |
| InsideLeft | `14` | Inner shadow inside left. |
| InsideCenter | `15` | Inner shadow inside center. |
| InsideRight | `16` | Inner shadow inside right. |
| InsideDiagonalBottomLeft | `17` | Inner shadow inside diagonal bottom left. |
| InsideBottom | `18` | Inner shadow inside bottom. |
| InsideDiagonalBottomRight | `19` | Inner shadow inside diagonal bottom right. |
| PerspectiveDiagonalUpperLeft | `20` | Outer shadow perspective diagonal upper left. |
| PerspectiveDiagonalUpperRight | `21` | Outer shadow perspective diagonal upper right. |
| Below | `22` | Outer shadow below. |
| PerspectiveDiagonalLowerLeft | `23` | Outer shadow perspective diagonal lower left. |
| PerspectiveDiagonalLowerRight | `24` | Outer shadow perspective diagonal lower right. |

### Examples

```csharp
using System;
using Aspose.Cells;
using Aspose.Cells.Drawing;

namespace AsposeCellsExamples
{
    public class DrawingClassPresetShadowTypeDemo
    {
        public static void Run()
        {
            // Create a new workbook
            Workbook workbook = new Workbook();
            Worksheet worksheet = workbook.Worksheets[0];

            // Add a shape to demonstrate shadow effects
            Shape shape = worksheet.Shapes.AddRectangle(1, 0, 1, 0, 100, 100);
            
            // Set different preset shadow types
            shape.ShadowEffect.PresetType = PresetShadowType.OffsetDiagonalBottomRight;
            Console.WriteLine("Shadow type set to: " + shape.ShadowEffect.PresetType);

            // Change to another shadow type
            shape.ShadowEffect.PresetType = PresetShadowType.OffsetBottom;
            Console.WriteLine("Shadow type changed to: " + shape.ShadowEffect.PresetType);

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

### See Also

* namespace [Aspose.Cells.Drawing](../../aspose.cells.drawing/)
* assembly [Aspose.Cells](../../)