2018-09-10 02:41:13 +02:00
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// Copyright © 2015 The CefSharp Authors. All rights reserved.
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2015-04-14 13:29:47 +10:00
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//
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// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
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using System;
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using System.ComponentModel;
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using System.Runtime.InteropServices;
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namespace CefSharp.Example.Proxy
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{
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2015-04-14 13:31:06 +10:00
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public class ProxyConfig
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{
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[DllImport("wininet.dll", CharSet = CharSet.Auto, SetLastError = true)]
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private static extern bool InternetQueryOption(IntPtr hInternet, uint dwOption, IntPtr lpBuffer, ref int lpdwBufferLength);
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2015-04-14 13:29:47 +10:00
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2015-04-14 13:31:06 +10:00
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private const uint InternetOptionProxy = 38;
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2015-04-14 13:31:06 +10:00
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public static InternetProxyInfo GetProxyInformation()
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{
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var bufferLength = 0;
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InternetQueryOption(IntPtr.Zero, InternetOptionProxy, IntPtr.Zero, ref bufferLength);
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var buffer = IntPtr.Zero;
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2015-04-14 13:29:47 +10:00
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2015-04-14 13:31:06 +10:00
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try
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{
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buffer = Marshal.AllocHGlobal(bufferLength);
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2015-04-14 13:29:47 +10:00
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2015-04-14 13:31:06 +10:00
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if (InternetQueryOption(IntPtr.Zero, InternetOptionProxy, buffer, ref bufferLength))
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{
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var ipi = (InternetProxyInfo)Marshal.PtrToStructure(buffer, typeof(InternetProxyInfo));
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return ipi;
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}
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{
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throw new Win32Exception();
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}
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}
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finally
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{
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if (buffer != IntPtr.Zero)
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{
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Marshal.FreeHGlobal(buffer);
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}
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}
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}
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}
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2015-04-14 13:29:47 +10:00
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}
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