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 # Method OpenComponent

 Last update: 19.06.2026 

Namespace: [Phoenix.BuilderUIClient](Phoenix.BuilderUIClient.md)  
Assembly: Phoenix.BuilderUIClient.dll

## OpenComponent(IHarnessRunnerSession)

Loads a component into the control. If there is any local edit session open for it, it is closed. Builder sessions are not changed, and should remain open. TrySavingExistingSessionAsync(IHarnessRunnerSession) should be called before this to ensure changes are applied and the user is given a chance to cancel.

```csharp
public Task OpenComponent(IHarnessRunnerSession session)


```

### Parameters

`session` IHarnessRunnerSession

The session to use.

### Returns

[Task](https://learn.microsoft.com/dotnet/api/system.threading.tasks.task)

Task of the running operation.