HttpResponse.StartAsync(CancellationToken) Method   
Definition
Important
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Starts the response by calling OnStarting() and making headers unmodifiable.
public virtual System.Threading.Tasks.Task StartAsync(System.Threading.CancellationToken cancellationToken = default);abstract member StartAsync : System.Threading.CancellationToken -> System.Threading.Tasks.Task
override this.StartAsync : System.Threading.CancellationToken -> System.Threading.Tasks.TaskPublic Overridable Function StartAsync (Optional cancellationToken As CancellationToken = Nothing) As TaskParameters
- cancellationToken
- CancellationToken
Returns
Remarks
If the Microsoft.AspNetCore.Http.Features.IHttpResponseStartFeature isn't set, StartAsync will default to calling HttpResponse.Body.FlushAsync().