# IXLibReadOnlyList interface

*No description yet.*

```csharp
public interface IXLibReadOnlyList : IXLibObject
```

**Namespace:** EDP · **Assembly:** Altium.SDK.Interfaces

**Inherits:** [IXLibObject](https://altiumdeveloper.github.io/ad-sdk-docs/reference/edp/IXLibObject.md)

## Methods

| Method | Returns | Description |
| --- | --- | --- |
| [GetCount](#getcount) | `int` |  |
| [GetItem](#getitem) | [IXLibObject](https://altiumdeveloper.github.io/ad-sdk-docs/reference/edp/IXLibObject.md) |  |

### GetCount

*No description yet.*

```csharp
int GetCount();
```

**Returns:** `int`

### GetItem

*No description yet.*

```csharp
IXLibObject GetItem(int argIndex);
```

| Parameter | Type | Passing |
| --- | --- | --- |
| `argIndex` | `int` | value |

**Returns:** [IXLibObject](https://altiumdeveloper.github.io/ad-sdk-docs/reference/edp/IXLibObject.md)

Extension method of `IXLibReadOnlyListHelper` (`using EDP;`).

## Returned by

[IXLibEntityProvider.GetAllEntities](https://altiumdeveloper.github.io/ad-sdk-docs/reference/edp/IXLibEntityProvider.md#getallentities), [IXLibEntityProvider.GetEntitiesOfType](https://altiumdeveloper.github.io/ad-sdk-docs/reference/edp/IXLibEntityProvider.md#getentitiesoftype), [IXLibTypeMetadataProvider.GetCategories](https://altiumdeveloper.github.io/ad-sdk-docs/reference/edp/IXLibTypeMetadataProvider.md#getcategories), [IXLibTypeMetadataProvider.GetDerivedTypes](https://altiumdeveloper.github.io/ad-sdk-docs/reference/edp/IXLibTypeMetadataProvider.md#getderivedtypes), [IXLibTypeMetadataProvider.GetEnumTypes](https://altiumdeveloper.github.io/ad-sdk-docs/reference/edp/IXLibTypeMetadataProvider.md#getenumtypes), [IXLibTypeMetadataProvider.GetInheritedTypes](https://altiumdeveloper.github.io/ad-sdk-docs/reference/edp/IXLibTypeMetadataProvider.md#getinheritedtypes), [IXLibValue.List](https://altiumdeveloper.github.io/ad-sdk-docs/reference/edp/IXLibValue.md#list), [IPCB_ManufacturingInfo.GetDesignSpecs](https://altiumdeveloper.github.io/ad-sdk-docs/reference/pcb/IPCB_ManufacturingInfo.md#getdesignspecs)