HttpListenerPrefixCollection Class
.NET Framework 3.0
Represents the collection used to store Uniform Resource Identifier (URI) prefixes for HttpListener objects.
Namespace: System.Net
Assembly: System (in system.dll)
Assembly: System (in system.dll)
'Declaration Public Class HttpListenerPrefixCollection Implements ICollection(Of String), IEnumerable(Of String), _ IEnumerable 'Usage Dim instance As HttpListenerPrefixCollection
public class HttpListenerPrefixCollection implements ICollection<String>, IEnumerable<String>, IEnumerable
public class HttpListenerPrefixCollection implements ICollection<String>, IEnumerable<String>, IEnumerable
Not applicable.
The following code example creates an HttpListener and adds user-specified prefixes to its HttpListenerPrefixCollection.
// This example requires the System and System.Net namespaces. public static void SimpleListenerExample(string[] prefixes) { if (!HttpListener.IsSupported) { Console.WriteLine ("Windows XP SP2 or Server 2003 is required to use the HttpListener class."); return; } // URI prefixes are required, // for example "http://contoso.com:8080/index/". if (prefixes == null || prefixes.Length == 0) throw new ArgumentException("prefixes"); // Create a listener. HttpListener listener = new HttpListener(); // Add the prefixes. foreach (string s in prefixes) { listener.Prefixes.Add(s); } listener.Start(); Console.WriteLine("Listening..."); // Note: The GetContext method blocks while waiting for a request. HttpListenerContext context = listener.GetContext(); HttpListenerRequest request = context.Request; // Obtain a response object. HttpListenerResponse response = context.Response; // Construct a response. string responseString = "<HTML><BODY> Hello world!</BODY></HTML>"; byte[] buffer = System.Text.Encoding.UTF8.GetBytes(responseString); // Get a response stream and write the response to it. response.ContentLength64 = buffer.Length; System.IO.Stream output = response.OutputStream; output.Write(buffer,0,buffer.Length); // You must close the output stream. output.Close(); listener.Stop(); }
// This example requires the System and System.Net namespaces.
public static void SimpleListenerExample(String prefixes[])
{
if (!(HttpListener.get_IsSupported())) {
Console.WriteLine("Windows XP SP2 or Server 2003 is required to "
+ "use the HttpListener class.");
return;
}
// URI prefixes are required,
// for example "http://contoso.com:8080/index/".
if (prefixes == null || prefixes.get_Length() == 0) {
throw new ArgumentException("prefixes");
}
// Create a listener.
HttpListener listener = new HttpListener();
// Add the prefixes.
for (int iCtr = 0; iCtr < prefixes.get_Length(); iCtr++) {
String s = prefixes[iCtr];
listener.get_Prefixes().Add(s);
}
listener.Start();
Console.WriteLine("Listening...");
// Note: The GetContext method blocks while waiting for a request.
HttpListenerContext context = listener.GetContext();
HttpListenerRequest request = context.get_Request();
// Obtain a response object.
HttpListenerResponse response = context.get_Response();
// Construct a response.
String responseString = "<HTML><BODY> Hello world!</BODY></HTML>";
ubyte buffer[] = System.Text.Encoding.get_UTF8().GetBytes(responseString);
// Get a response stream and write the response to it.
response.set_ContentLength64(buffer.get_Length());
System.IO.Stream output = response.get_OutputStream();
output.Write(buffer, 0, buffer.get_Length());
// You must close the output stream.
output.Close();
listener.Stop();
} //SimpleListenerExample
Windows 98, Windows Server 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.Community Additions
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