ChannelWriter<T>.WaitToWriteAsync(CancellationToken) 方法
定义
返回将在有可用空间写入项时完成的 ValueTask<TResult>。Returns a ValueTask<TResult> that will complete when space is available to write an item.
public abstract System.Threading.Tasks.ValueTask<bool> WaitToWriteAsync (System.Threading.CancellationToken cancellationToken = default);
abstract member WaitToWriteAsync : System.Threading.CancellationToken -> System.Threading.Tasks.ValueTask<bool>
Public MustOverride Function WaitToWriteAsync (Optional cancellationToken As CancellationToken = Nothing) As ValueTask(Of Boolean)
参数
- cancellationToken
- CancellationToken
用于取消等待操作的 CancellationToken。A CancellationToken used to cancel the wait operation.
返回
将在有可用空间写入项时完成并返回 true 结果或将在不再允许执行写入操作时完成并返回 false 结果的 ValueTask<TResult>。A ValueTask<TResult> that will complete with a true result when space is available to write an item or with a false result when no further writing will be permitted.