## BorderCollection class

Encapsulates a collection of [`Border`](../border/) objects.

```csharp
public class BorderCollection
```

## Properties

| Name | Description |
| --- | --- |
| [DiagonalColor](../../aspose.cells/bordercollection/diagonalcolor/) { get; set; } | Gets or sets the Color of Diagonal lines. |
| [DiagonalStyle](../../aspose.cells/bordercollection/diagonalstyle/) { get; set; } | Gets or sets the style of Diagonal lines. |
| [IsOutline](../../aspose.cells/bordercollection/isoutline/) { get; set; } | Indicates if left, right, top, and bottom borders should be applied only to outside borders of a cell range. Default value is true. |
| [Item](../../aspose.cells/bordercollection/item/) { get; } | Gets the [`Border`](../border/) element at the specified index. |

## Methods

| Name | Description |
| --- | --- |
| [SetColor](../../aspose.cells/bordercollection/setcolor/)(Color) | Sets the Color of all borders in the collection. |
| [SetStyle](../../aspose.cells/bordercollection/setstyle/)(CellBorderType) | Sets the style of all borders of the collection. |

### Examples

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

    public class BorderCollectionDemo
    {
        public static void BorderCollectionExample()
        {
            // Instantiating a Workbook object
            Workbook workbook = new Workbook();

            // Adding a new worksheet to the Workbook object
            workbook.Worksheets.Add();

            // Obtaining the reference of the newly added worksheet by passing its sheet index
            Worksheet worksheet = workbook.Worksheets[0];

            // Accessing the "A1" cell from the worksheet
            Cell cell = worksheet.Cells["A1"];

            // Adding some value to the "A1" cell
            cell.PutValue("Visit Aspose!");

            // Getting the style of the cell
            Style style = cell.GetStyle();

            // Setting the line style of the top border
            style.Borders[BorderType.TopBorder].LineStyle = CellBorderType.Thick;

            // Setting the color of the top border
            style.Borders[BorderType.TopBorder].Color = Color.Red;

            // Setting the line style of the bottom border
            style.Borders[BorderType.BottomBorder].LineStyle = CellBorderType.Thick;

            // Setting the color of the bottom border
            style.Borders[BorderType.BottomBorder].Color = Color.Green;

            // Setting the line style of the left border
            style.Borders[BorderType.LeftBorder].LineStyle = CellBorderType.Dashed;

            // Setting the color of the left border
            style.Borders[BorderType.LeftBorder].Color = Color.Yellow;

            // Setting the line style of the right border
            style.Borders[BorderType.RightBorder].LineStyle = CellBorderType.Dotted;

            // Setting the color of the right border
            style.Borders[BorderType.RightBorder].Color = Color.Blue;

            // Setting diagonal properties
            style.Borders.DiagonalColor = Color.Red;
            style.Borders.DiagonalStyle = CellBorderType.Dashed;

            // Applying the style to the cell
            cell.SetStyle(style);

            // Saving the Excel file
            workbook.Save("BorderCollectionExample.xlsx");
            workbook.Save("BorderCollectionExample.pdf");

            return;
        }
    }
}
```

### See Also

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