public static bool Update()
{
NativeMethods.INTERNET_PROXY_INFO *ipi = (NativeMethods.INTERNET_PROXY_INFO *)Marshal.AllocHGlobal(sizeof(NativeMethods.INTERNET_PROXY_INFO));
NativeMethods.RtlZeroMemory(ipi, sizeof(NativeMethods.INTERNET_PROXY_INFO));
bool retval =
NativeMethods.InternetSetOption(IntPtr.Zero, NativeMethods.INTERNET_OPTION_PROXY_SETTINGS_CHANGED, IntPtr.Zero, 0) &&
NativeMethods.InternetSetOption(IntPtr.Zero, NativeMethods.INTERNET_OPTION_SETTINGS_CHANGED, (IntPtr)ipi, sizeof(NativeMethods.INTERNET_PROXY_INFO)) &&
NativeMethods.InternetSetOption(IntPtr.Zero, NativeMethods.INTERNET_OPTION_REFRESH, IntPtr.Zero, 0);
Marshal.FreeHGlobal((IntPtr)ipi);
return(retval);
}
public static bool Update(string server)
{
NativeMethods.INTERNET_PROXY_INFO *ipi = (NativeMethods.INTERNET_PROXY_INFO *)Marshal.AllocHGlobal(sizeof(NativeMethods.INTERNET_PROXY_INFO));
ipi->dwAccessType = NativeMethods.INTERNET_OPEN_TYPE_PROXY;
ipi->proxy = (void *)Marshal.StringToHGlobalAuto(server ?? string.Empty);
ipi->proxyBypass = (void *)Marshal.StringToHGlobalAuto("local");
bool retval = NativeMethods.InternetSetOption(IntPtr.Zero, NativeMethods.INTERNET_OPTION_PROXY, (IntPtr)ipi, sizeof(NativeMethods.INTERNET_PROXY_INFO));
Marshal.FreeHGlobal((IntPtr)ipi->proxy);
Marshal.FreeHGlobal((IntPtr)ipi->proxyBypass);
Marshal.FreeHGlobal((IntPtr)ipi);
return(retval);
}
