## VbaProjectReferenceCollection.AddControlRefrernce method

Add a reference to a twiddled type library and its extended type library.

```csharp
[Obsolete("Use VbaProjectReferenceCollection.AddControlReferernce() method instead.")]
[EditorBrowsable(EditorBrowsableState.Never)]
public int AddControlRefrernce(string name, string libid, string twiddledlibid, 
    string extendedLibid)
```

| Parameter | Type | Description |
| --- | --- | --- |
| name | String | The name of reference. |
| libid | String | The identifier of an Automation type library. |
| twiddledlibid | String | The identifier of a twiddled type library |
| extendedLibid | String | The identifier of an extended type library |

### Remarks

NOTE: This method is now obsolete. Instead, please use VbaProjectReferenceCollection.AddControlReferernce() method. This method will be removed 12 months later since July 2026. Aspose apologizes for any inconvenience you may have experienced.

### Examples

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

namespace AsposeCellsExamples
{
    public class VbaProjectReferenceCollectionMethodAddControlRefrernceWithStringStringStringStringDemo
    {
        public static void Run()
        {
            Workbook workbook = new Workbook();
            VbaProject vbaProject = workbook.VbaProject;

            // Add control reference with all string parameters
            vbaProject.References.AddControlRefrernce(
                "MSForms",
                "*\\G{0D452EE1-E08F-101A-852E-02608C4D0BB4}#2.0#0#C:\\Windows\\system32\\FM20.DLL#Microsoft Forms 2.0 Object Library",
                "twiddledLibid",
                "extendedLibid");

            Console.WriteLine("Control reference added successfully. Total references: " + vbaProject.References.Count);
            
            workbook.Save("VbaProjectWithControlReference.xlsm");
        }
    }
}
```

### See Also

* class [VbaProjectReferenceCollection](../)
* namespace [Aspose.Cells.Vba](../../../aspose.cells.vba/)
* assembly [Aspose.Cells](../../../)