## Style.Custom property

Represents the custom number format string of this style object. If the custom number format is not set(For example, the number format is builtin), "" will be returned.

```csharp
public string Custom { get; set; }
```

### Remarks

The returned custom string is culture-independent.

### Examples

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

namespace AsposeCellsExamples
{
    public class StylePropertyCustomDemo
    {
        public static void Run()
        {
            Workbook workbook = new Workbook();
            Worksheet worksheet = workbook.Worksheets[0];
            Cells cells = worksheet.Cells;

            // Create and apply custom date format
            Style style = workbook.CreateStyle();
            style.Custom = "d-mmm-yy";
            
            cells["A1"].PutValue(new DateTime(2023, 10, 15));
            cells["A1"].SetStyle(style);

            // Display the formatted value
            Console.WriteLine("Formatted value: " + cells["A1"].StringValue);
            
            // Save the workbook
            workbook.Save("StylePropertyCustomDemo_out.xlsx");
        }
    }
}
```

### See Also

* class [Style](../)
* namespace [Aspose.Cells](../../../aspose.cells/)
* assembly [Aspose.Cells](../../../)