# ISpaceBall interface

*No description yet.*

```csharp
public interface ISpaceBall
```

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

## Methods

| Method | Returns | Description |
| --- | --- | --- |
| [AddListener](#addlistener) | `void` |  |
| [RemoveListener](#removelistener) | `void` |  |

### AddListener

*No description yet.*

```csharp
void AddListener(ISpaceBallListener argListener);
void AddListener(object argListener);
```

| Parameter | Type | Passing |
| --- | --- | --- |
| `argListener` | [ISpaceBallListener](https://altiumdeveloper.github.io/ad-sdk-docs/reference/edp/ISpaceBallListener.md) | value |

**Returns:** nothing (`void`)

The first overload is an extension method of `ISpaceBallHelper` (`using EDP;`) with typed parameters; the second is declared by the interface.

### RemoveListener

*No description yet.*

```csharp
void RemoveListener(ISpaceBallListener argListener);
void RemoveListener(object argListener);
```

| Parameter | Type | Passing |
| --- | --- | --- |
| `argListener` | [ISpaceBallListener](https://altiumdeveloper.github.io/ad-sdk-docs/reference/edp/ISpaceBallListener.md) | value |

**Returns:** nothing (`void`)

The first overload is an extension method of `ISpaceBallHelper` (`using EDP;`) with typed parameters; the second is declared by the interface.