## ProtectedRangeCollection.Add method

Adds a [`ProtectedRange`](../../protectedrange/) item to the collection.

```csharp
public int Add(string name, int startRow, int startColumn, int endRow, int endColumn)
```

| Parameter | Type | Description |
| --- | --- | --- |
| name | String | Range title. This is used as a descriptor, not as a named range definition. |
| startRow | Int32 | Start row index of the range. |
| startColumn | Int32 | Start column index of the range. |
| endRow | Int32 | End row index of the range. |
| endColumn | Int32 | End column index of the range. |

### Return Value

object index.

### Examples

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

namespace AsposeCellsExamples
{
    public class ProtectedRangeCollectionMethodAddWithStringInt32Int32Int32Int32Demo
    {
        public static void Run()
        {
            Workbook workbook = new Workbook();
            ProtectedRangeCollection pranges = workbook.Worksheets[0].AllowEditRanges;
            
            // Add protected range with name and coordinates
            int index = pranges.Add("Range1", 0, 0, 10, 10);
            
            // Access the added range
            ProtectedRange range = pranges[index];
            
            // Set security descriptor
            string securityDescriptor = "O:WDG:WDD:(D;;CC;;;S-1-5-21-2854911246-2539335229-2923752399-1000)(A;;CC;;;S-1-5-21-2854911246-2539335229-2923752399-1013)";
            range.SecurityDescriptor = securityDescriptor;
            
            // Save and verify
            workbook.Save("output.xlsx");
        }
    }
}
```

### See Also

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