# ActivityNames

Package: [Microsoft.Orleans.Core](/orleans/docs/api/csharp/microsoft.orleans.core/) 10.0.0

[NuGet package](https://www.nuget.org/packages/Microsoft.Orleans.Core)

```csharp
public static class ActivityNames
```

Supports all classes in the .NET class hierarchy and provides low-level services to derived classes. This is the ultimate base class of all .NET classes; it is the root of the type hierarchy.

## Fields

- [ActivateGrain](/orleans/docs/api/csharp/microsoft.orleans.core/orleans.runtime.activitynames/fields/activategrain-b9173a65/)
- [ActivationDehydrate](/orleans/docs/api/csharp/microsoft.orleans.core/orleans.runtime.activitynames/fields/activationdehydrate-f6f19163/)
- [ActivationRehydrate](/orleans/docs/api/csharp/microsoft.orleans.core/orleans.runtime.activitynames/fields/activationrehydrate-b4c32f6d/)
- [DeactivateGrain](/orleans/docs/api/csharp/microsoft.orleans.core/orleans.runtime.activitynames/fields/deactivategrain-bd9e9054/)
- [FilterPlacementCandidates](/orleans/docs/api/csharp/microsoft.orleans.core/orleans.runtime.activitynames/fields/filterplacementcandidates-137333ae/)
- [OnActivate](/orleans/docs/api/csharp/microsoft.orleans.core/orleans.runtime.activitynames/fields/onactivate-841248eb/)
- [OnDeactivate](/orleans/docs/api/csharp/microsoft.orleans.core/orleans.runtime.activitynames/fields/ondeactivate-57fad878/)
- [PlaceGrain](/orleans/docs/api/csharp/microsoft.orleans.core/orleans.runtime.activitynames/fields/placegrain-43eabc41/)
- [RegisterDirectoryEntry](/orleans/docs/api/csharp/microsoft.orleans.core/orleans.runtime.activitynames/fields/registerdirectoryentry-894a038f/)
- [StorageClear](/orleans/docs/api/csharp/microsoft.orleans.core/orleans.runtime.activitynames/fields/storageclear-024afdd9/)
- [StorageRead](/orleans/docs/api/csharp/microsoft.orleans.core/orleans.runtime.activitynames/fields/storageread-06d82d98/)
- [StorageWrite](/orleans/docs/api/csharp/microsoft.orleans.core/orleans.runtime.activitynames/fields/storagewrite-a3803113/)
- [WaitMigration](/orleans/docs/api/csharp/microsoft.orleans.core/orleans.runtime.activitynames/fields/waitmigration-e4328896/)