SteamTools/System.Application.SteamTools.Client.Desktop.Windows/Internals/WinHttp.cs

using System.Runtime.InteropServices;

// ReSharper disable once CheckNamespace
namespace System
{
    internal static class WinHttp
    {
        [DllImport("winhttp.dll", SetLastError = true)]
        internal static extern bool WinHttpGetIEProxyConfigForCurrentUser(ref WinHttpCurrentUserIEProxyConfig pProxyConfig);
    }

    [StructLayout(LayoutKind.Sequential)]
    internal struct WinHttpCurrentUserIEProxyConfig
    {
        [MarshalAs(UnmanagedType.Bool)]
        public bool AutoDetect;

        [MarshalAs(UnmanagedType.LPWStr)]
        public string AutoConfigUrl;

        [MarshalAs(UnmanagedType.LPWStr)]
        public string Proxy;

        [MarshalAs(UnmanagedType.LPWStr)]
        public string ProxyBypass;
    }
}