StreamWriter.DisposeAsync Method   
Definition
Important
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Asynchronously writes any buffered data to the underlying stream and releases the unmanaged resources used by the StreamWriter.
public:
 override System::Threading::Tasks::ValueTask DisposeAsync();public override System.Threading.Tasks.ValueTask DisposeAsync();override this.DisposeAsync : unit -> System.Threading.Tasks.ValueTaskPublic Overrides Function DisposeAsync () As ValueTaskReturns
A task that represents the asynchronous dispose operation.