# TWorkspaceObjectIdSet class

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```csharp
public class TWorkspaceObjectIdSet : HashSet<TWorkspaceObjectId>
```

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

## Constructors

```csharp
public TWorkspaceObjectIdSet(TWorkspaceObjectId[] values);
public TWorkspaceObjectIdSet();
public TWorkspaceObjectIdSet(HashSet<TWorkspaceObjectId> set);
```

## Returned by

[IWorkspacePreferences.GetObjectsToDisplay](https://altiumdeveloper.github.io/ad-sdk-docs/reference/edp/IWorkspacePreferences.md#getobjectstodisplay)