C# (CSharp) HistoricalBarsRequest.EnsureNotNull示例

示例#1

 public static IReadOnlyDictionary <String, IAsyncEnumerable <IBar> > GetHistoricalBarsDictionaryOfAsyncEnumerable(
     this IAlpacaDataClient client,
     HistoricalBarsRequest request,
     CancellationToken cancellationToken) =>
 getValidatedRequestWithoutPageToken(request.EnsureNotNull(nameof(request)))
 .GetResponsesByItems(client.EnsureNotNull(nameof(client)).GetHistoricalBarsAsync, cancellationToken);