아래 코드는 listener.GetContext()에서 멋지게 기다리는 HTTPLISTENER를 생성합니다.내가 만든 HTTPLISTENER와 어떻게 통신합니까?
다른 VB 앱과 어떻게 통신합니까? WebRequest를 얻을 수없는 것 같습니다. HTTPLISTENER 예제에서 사용중인 URI로 작업하십시오. 두 번째 응용 프로그램에서이 줄의 코드가 작동하지 않습니다 :
여기Dim request As WebRequest = WebRequest.Create(prefixes(0))
코드입니다 :
Imports System.Net
Imports System.Globalization
Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim prefixes() As String = {"http://*:8080/HttpListener/"}
ProcessRequests(prefixes)
End Sub
Private Sub ProcessRequests(ByVal prefixes() As String)
If Not System.Net.HttpListener.IsSupported Then
Console.WriteLine(_
"Windows XP SP2, Server 2003, or higher is required to " & _
"use the HttpListener class.")
Exit Sub
End If
' URI prefixes are required,
If prefixes Is Nothing OrElse prefixes.Length = 0 Then
Throw New ArgumentException("prefixes")
End If
' Create a listener and add the prefixes.
Dim listener As System.Net.HttpListener = _
New System.Net.HttpListener()
For Each s As String In prefixes
listener.Prefixes.Add(s)
Next
Try
' Start the listener to begin listening for requests.
listener.Start()
Console.WriteLine("Listening...")
' Set the number of requests this application will handle.
Dim numRequestsToBeHandled As Integer = 10
For i As Integer = 0 To numRequestsToBeHandled
Dim response As HttpListenerResponse = Nothing
Try
' Note: GetContext blocks while waiting for a request.
Dim context As HttpListenerContext = listener.GetContext()
' Create the response.
response = context.Response
Dim responseString As String = _
"<HTML><BODY>The time is currently " & _
DateTime.Now.ToString(_
DateTimeFormatInfo.CurrentInfo) & _
"</BODY></HTML>"
Dim buffer() As Byte = _
System.Text.Encoding.UTF8.GetBytes(responseString)
response.ContentLength64 = buffer.Length
Dim output As System.IO.Stream = response.OutputStream
output.Write(buffer, 0, buffer.Length)
Catch ex As HttpListenerException
Console.WriteLine(ex.Message)
Finally
If response IsNot Nothing Then
response.Close()
End If
End Try
Next
Catch ex As HttpListenerException
Console.WriteLine(ex.Message)
Finally
' Stop listening for requests.
listener.Close()
Console.WriteLine("Done Listening...")
End Try
End Sub
End Class