本文整理匯總了VB.NET中System.Net.WebClient.WebClient構造函數的典型用法代碼示例。如果您正苦於以下問題：VB.NET WebClient構造函數的具體用法？VB.NET WebClient怎麽用？VB.NET WebClient使用的例子？那麽, 這裏精選的構造函數代碼示例或許可以為您提供幫助。您也可以進一步了解該構造函數所在類System.Net.WebClient的用法示例。
在下文中一共展示了WebClient構造函數的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的VB.NET代碼示例。
示例1: Main
Public Shared Sub Main()
Try
Dim client As New WebClient()
Dim pageData As [Byte]() = client.DownloadData("http://www.contoso.com")
Dim pageHtml As String = Encoding.ASCII.GetString(pageData)
' Download the data to a buffer.
Console.WriteLine(pageHtml)
' Download the data to a file.
client.DownloadFile("http://www.contoso.com", "page.htm")
' Upload some form post values.
dim form as New NameValueCollection()
form.Add("MyName", "MyValue")
' Note that you need to replace "http://localhost/somefile.aspx" with the name of
' a file that is available to your computer.
Dim responseData As [Byte]() = client.UploadValues("http://www.contoso.com/form.aspx", form)
Console.WriteLine(Encoding.ASCII.GetString(responseData))
Catch webEx As WebException
if webEx.Status = WebExceptionStatus.ConnectFailure then
Console.WriteLine("Are you behind a firewall? If so, go through the proxy server.")
end if
Console.Write(webEx.ToString())
End Try
End Sub