本文整理汇总了VB.NET中System.Net.WebClient.WebClient构造函数的典型用法代码示例。如果您正苦于以下问题：VB.NET WebClient构造函数的具体用法？VB.NET WebClient怎么用？VB.NET WebClient使用的例子？那么, 这里精选的构造函数代码示例或许可以为您提供帮助。您也可以进一步了解该构造函数所在类System.Net.WebClient的用法示例。
在下文中一共展示了WebClient构造函数的1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VB.NET代码示例。
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