本文整理汇总了VB.NET中System.Net.WebHeaderCollection.Set方法的典型用法代码示例。如果您正苦于以下问题：VB.NET WebHeaderCollection.Set方法的具体用法？VB.NET WebHeaderCollection.Set怎么用？VB.NET WebHeaderCollection.Set使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。
在下文中一共展示了WebHeaderCollection.Set方法的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
'Create a web request for "www.msn.com".
Dim myHttpWebRequest As HttpWebRequest = CType(WebRequest.Create("http://www.msn.com"), HttpWebRequest)
'Get the headers associated with the request.
Dim myWebHeaderCollection As WebHeaderCollection = myHttpWebRequest.Headers
'Set the Cache-Control header in the request.
myWebHeaderCollection.Set("Cache-Control", "no-cache")
'Get the associated response for the above request.
Dim myHttpWebResponse As HttpWebResponse = CType(myHttpWebRequest.GetResponse(), HttpWebResponse)
Console.WriteLine ("Headers after 'Set' method is used on Cache-Control :")
'Print the headers for the request.
PrintHeaders(myWebHeaderCollection)
myHttpWebResponse.Close()
'Catch exception if trying to set a restricted header.
Catch e As ArgumentException
Console.WriteLine(e.Message)
Catch e As WebException
Console.WriteLine(e.Message)
If e.Status = WebExceptionStatus.ProtocolError Then
Console.WriteLine("Status Code : {0}", CType(e.Response, HttpWebResponse).StatusCode)
Console.WriteLine("Status Description : {0}", CType(e.Response, HttpWebResponse).StatusDescription)
Console.WriteLine("Server : {0}", CType(e.Response, HttpWebResponse).Server)
End If
Catch e As Exception
Console.WriteLine(e.Message)
End Try
End Sub