本文整理汇总了C#中WebClient.DownloadStringTaskAsync方法的典型用法代码示例。如果您正苦于以下问题：C# WebClient.DownloadStringTaskAsync方法的具体用法？C# WebClient.DownloadStringTaskAsync怎么用？C# WebClient.DownloadStringTaskAsync使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类WebClient的用法示例。
在下文中一共展示了WebClient.DownloadStringTaskAsync方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: DownloadString_InvalidArguments_ThrowExceptions
public static void DownloadString_InvalidArguments_ThrowExceptions()
{
var wc = new WebClient();
Assert.Throws<ArgumentNullException>("address", () => { wc.DownloadString((string)null); });
Assert.Throws<ArgumentNullException>("address", () => { wc.DownloadString((Uri)null); });
Assert.Throws<ArgumentNullException>("address", () => { wc.DownloadStringAsync((Uri)null); });
Assert.Throws<ArgumentNullException>("address", () => { wc.DownloadStringAsync((Uri)null, null); });
Assert.Throws<ArgumentNullException>("address", () => { wc.DownloadStringTaskAsync((string)null); });
Assert.Throws<ArgumentNullException>("address", () => { wc.DownloadStringTaskAsync((Uri)null); });
}示例2: ConcurrentOperations_Throw
public static async Task ConcurrentOperations_Throw()
{
await LoopbackServer.CreateServerAsync((server, url) =>
{
var wc = new WebClient();
Task ignored = wc.DownloadDataTaskAsync(url); // won't complete
Assert.Throws<NotSupportedException>(() => { wc.DownloadData(url); });
Assert.Throws<NotSupportedException>(() => { wc.DownloadDataAsync(url); });
Assert.Throws<NotSupportedException>(() => { wc.DownloadDataTaskAsync(url); });
Assert.Throws<NotSupportedException>(() => { wc.DownloadString(url); });
Assert.Throws<NotSupportedException>(() => { wc.DownloadStringAsync(url); });
Assert.Throws<NotSupportedException>(() => { wc.DownloadStringTaskAsync(url); });
Assert.Throws<NotSupportedException>(() => { wc.DownloadFile(url, "path"); });
Assert.Throws<NotSupportedException>(() => { wc.DownloadFileAsync(url, "path"); });
Assert.Throws<NotSupportedException>(() => { wc.DownloadFileTaskAsync(url, "path"); });
Assert.Throws<NotSupportedException>(() => { wc.UploadData(url, new byte[42]); });
Assert.Throws<NotSupportedException>(() => { wc.UploadDataAsync(url, new byte[42]); });
Assert.Throws<NotSupportedException>(() => { wc.UploadDataTaskAsync(url, new byte[42]); });
Assert.Throws<NotSupportedException>(() => { wc.UploadString(url, "42"); });
Assert.Throws<NotSupportedException>(() => { wc.UploadStringAsync(url, "42"); });
Assert.Throws<NotSupportedException>(() => { wc.UploadStringTaskAsync(url, "42"); });
Assert.Throws<NotSupportedException>(() => { wc.UploadFile(url, "path"); });
Assert.Throws<NotSupportedException>(() => { wc.UploadFileAsync(url, "path"); });
Assert.Throws<NotSupportedException>(() => { wc.UploadFileTaskAsync(url, "path"); });
Assert.Throws<NotSupportedException>(() => { wc.UploadValues(url, new NameValueCollection()); });
Assert.Throws<NotSupportedException>(() => { wc.UploadValuesAsync(url, new NameValueCollection()); });
Assert.Throws<NotSupportedException>(() => { wc.UploadValuesTaskAsync(url, new NameValueCollection()); });
return Task.CompletedTask;
});
}示例3: DownloadStringAsync
protected override Task<string> DownloadStringAsync(WebClient wc, string address) => wc.DownloadStringTaskAsync(address);示例4: RequestHeaders_SpecialHeaders_RequestSucceeds
public static async Task RequestHeaders_SpecialHeaders_RequestSucceeds()
{
var wc = new WebClient();
wc.Headers["Accept"] = "text/html";
wc.Headers["Connection"] = "close";
wc.Headers["ContentType"] = "text/html; charset=utf-8";
wc.Headers["Expect"] = "100-continue";
wc.Headers["Referer"] = "http://localhost";
wc.Headers["User-Agent"] = ".NET";
wc.Headers["Host"] = "http://localhost";
await LoopbackServer.CreateServerAsync(async (server, url) =>
{
Task<string> download = wc.DownloadStringTaskAsync(url.ToString());
Assert.Null(wc.ResponseHeaders);
await LoopbackServer.ReadRequestAndSendResponseAsync(server,
"HTTP/1.1 200 OK\r\n" +
$"Date: {DateTimeOffset.UtcNow:R}\r\n" +
$"Content-Length: 0\r\n" +
"\r\n");
await download;
});
}