# IRegisterAssociation interface

*No description yet.*

```csharp
public interface IRegisterAssociation : IBSDLObject
```

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

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

## Methods

| Method | Returns | Description |
| --- | --- | --- |
| [GetInstructionOpcode](#getinstructionopcode) | [IInstructionOpCode](https://altiumdeveloper.github.io/ad-sdk-docs/reference/sch/IInstructionOpCode.md) |  |
| [GetInstructionOpcodeCount](#getinstructionopcodecount) | `int` |  |
| [GetRegisterLength](#getregisterlength) | `int` |  |
| [GetRegisterName](#getregistername) | `string` |  |

### GetInstructionOpcode

*No description yet.*

```csharp
IInstructionOpCode GetInstructionOpcode(int argIndex);
```

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

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

Extension method of `IRegisterAssociationHelper` (`using SCH;`).

### GetInstructionOpcodeCount

*No description yet.*

```csharp
int GetInstructionOpcodeCount();
```

**Returns:** `int`

### GetRegisterLength

*No description yet.*

```csharp
int GetRegisterLength();
```

**Returns:** `int`

### GetRegisterName

*No description yet.*

```csharp
string GetRegisterName();
```

**Returns:** `string`

## Inherited members

- From [IBSDLObject](https://altiumdeveloper.github.io/ad-sdk-docs/reference/sch/IBSDLObject.md): [GetDescription](https://altiumdeveloper.github.io/ad-sdk-docs/reference/sch/IBSDLObject.md#getdescription), [GetEntity](https://altiumdeveloper.github.io/ad-sdk-docs/reference/sch/IBSDLObject.md#getentity), [GetShortDescription](https://altiumdeveloper.github.io/ad-sdk-docs/reference/sch/IBSDLObject.md#getshortdescription)

## Returned by

[IBSDLEntity.GetRegisterAssociation](https://altiumdeveloper.github.io/ad-sdk-docs/reference/sch/IBSDLEntity.md#getregisterassociation), [IJTagDevice.GetRegisterAssociation](https://altiumdeveloper.github.io/ad-sdk-docs/reference/sch/IJTagDevice.md#getregisterassociation)