public async Task ListTopicSubscriptionsAsync() { // Snippet: ListTopicSubscriptionsAsync(string,string,int?,CallSettings) // Create client PublisherClient publisherClient = PublisherClient.Create(); // Initialize request argument(s) string formattedTopic = PublisherClient.FormatTopicName("[PROJECT]", "[TOPIC]"); // Make the request IPagedAsyncEnumerable <ListTopicSubscriptionsResponse, string> response = publisherClient.ListTopicSubscriptionsAsync(formattedTopic); // Iterate over all response items, lazily performing RPCs as required await response.ForEachAsync((string item) => { // Do something with each item Console.WriteLine(item); }); // Or iterate over fixed-sized pages, lazily performing RPCs as required int pageSize = 10; IAsyncEnumerable <FixedSizePage <string> > fixedSizePages = response.AsPages().WithFixedSize(pageSize); await fixedSizePages.ForEachAsync((FixedSizePage <string> page) => { // Do something with each page of items Console.WriteLine("A page of results:"); foreach (string item in page) { Console.WriteLine(item); } }); // End snippet }
public async Task ListTopicSubscriptionsAsync_RequestObject() { // Snippet: ListTopicSubscriptionsAsync(ListTopicSubscriptionsRequest,CallSettings) // Create client PublisherClient publisherClient = await PublisherClient.CreateAsync(); // Initialize request argument(s) ListTopicSubscriptionsRequest request = new ListTopicSubscriptionsRequest { TopicAsTopicName = new TopicName("[PROJECT]", "[TOPIC]"), }; // Make the request PagedAsyncEnumerable <ListTopicSubscriptionsResponse, SubscriptionName> response = publisherClient.ListTopicSubscriptionsAsync(request); // Iterate over all response items, lazily performing RPCs as required await response.ForEachAsync((SubscriptionName item) => { // Do something with each item Console.WriteLine(item); }); // Or iterate over pages (of server-defined size), performing one RPC per page await response.AsRawResponses().ForEachAsync((ListTopicSubscriptionsResponse page) => { // Do something with each page of items Console.WriteLine("A page of results:"); foreach (SubscriptionName item in page) { Console.WriteLine(item); } }); // Or retrieve a single page of known size (unless it's the final page), performing as many RPCs as required int pageSize = 10; Page <SubscriptionName> singlePage = await response.ReadPageAsync(pageSize); // Do something with the page of items Console.WriteLine($"A page of {pageSize} results (unless it's the final page):"); foreach (SubscriptionName item in singlePage) { Console.WriteLine(item); } // Store the pageToken, for when the next page is required. string nextPageToken = singlePage.NextPageToken; // End snippet }