/// <summary>
/// Set IE settings.
/// </summary>
private static void SetIEProxy(bool enable, bool global, string proxyServer, string pacURL, string connName)
{
List<INTERNET_PER_CONN_OPTION> _optionlist = new List<INTERNET_PER_CONN_OPTION>();
if (enable)
{
if (global)
{
// global proxy
_optionlist.Add(new INTERNET_PER_CONN_OPTION
{
dwOption = (int)INTERNET_PER_CONN_OptionEnum.INTERNET_PER_CONN_FLAGS_UI,
Value = { dwValue = (int)(INTERNET_OPTION_PER_CONN_FLAGS_UI.PROXY_TYPE_PROXY
| INTERNET_OPTION_PER_CONN_FLAGS_UI.PROXY_TYPE_DIRECT) }
});
_optionlist.Add(new INTERNET_PER_CONN_OPTION
{
dwOption = (int)INTERNET_PER_CONN_OptionEnum.INTERNET_PER_CONN_PROXY_SERVER,
Value = { pszValue = Marshal.StringToHGlobalAuto(proxyServer) }
});
_optionlist.Add(new INTERNET_PER_CONN_OPTION
{
dwOption = (int)INTERNET_PER_CONN_OptionEnum.INTERNET_PER_CONN_PROXY_BYPASS,
Value = { pszValue = Marshal.StringToHGlobalAuto("<local>") }
});
}
else
{
// pac
_optionlist.Add(new INTERNET_PER_CONN_OPTION
{
dwOption = (int)INTERNET_PER_CONN_OptionEnum.INTERNET_PER_CONN_FLAGS_UI,
Value = { dwValue = (int)INTERNET_OPTION_PER_CONN_FLAGS_UI.PROXY_TYPE_AUTO_PROXY_URL }
});
_optionlist.Add(new INTERNET_PER_CONN_OPTION
{
dwOption = (int)INTERNET_PER_CONN_OptionEnum.INTERNET_PER_CONN_AUTOCONFIG_URL,
Value = { pszValue = Marshal.StringToHGlobalAuto(pacURL) }
});
}
}
else
{
// direct
_optionlist.Add(new INTERNET_PER_CONN_OPTION
{
dwOption = (int)INTERNET_PER_CONN_OptionEnum.INTERNET_PER_CONN_FLAGS_UI,
Value = { dwValue = (int)(INTERNET_OPTION_PER_CONN_FLAGS_UI.PROXY_TYPE_AUTO_DETECT
| INTERNET_OPTION_PER_CONN_FLAGS_UI.PROXY_TYPE_DIRECT) }
});
}
// Get total length of INTERNET_PER_CONN_OPTIONs
var len = _optionlist.Sum(each => Marshal.SizeOf(each));
// Allocate a block of memory of the options.
IntPtr buffer = Marshal.AllocCoTaskMem(len);
IntPtr current = buffer;
// Marshal data from a managed object to an unmanaged block of memory.
foreach (INTERNET_PER_CONN_OPTION eachOption in _optionlist)
{
Marshal.StructureToPtr(eachOption, current, false);
current = (IntPtr)((int)current + Marshal.SizeOf(eachOption));
}
// Initialize a INTERNET_PER_CONN_OPTION_LIST instance.
INTERNET_PER_CONN_OPTION_LIST optionList = new INTERNET_PER_CONN_OPTION_LIST();
// Point to the allocated memory.
optionList.pOptions = buffer;
// Return the unmanaged size of an object in bytes.
optionList.Size = Marshal.SizeOf(optionList);
optionList.Connection = connName.IsNullOrEmpty()
? IntPtr.Zero // NULL means LAN
: Marshal.StringToHGlobalAuto(connName); // TODO: not working if contains Chinese
optionList.OptionCount = _optionlist.Count;
optionList.OptionError = 0;
int optionListSize = Marshal.SizeOf(optionList);
// Allocate memory for the INTERNET_PER_CONN_OPTION_LIST instance.
IntPtr intptrStruct = Marshal.AllocCoTaskMem(optionListSize);
// Marshal data from a managed object to an unmanaged block of memory.
Marshal.StructureToPtr(optionList, intptrStruct, true);
// Set internet settings.
bool bReturn = NativeMethods.InternetSetOption(
IntPtr.Zero,
INTERNET_OPTION.INTERNET_OPTION_PER_CONNECTION_OPTION,
intptrStruct, optionListSize);
// Free the allocated memory.
Marshal.FreeCoTaskMem(buffer);
Marshal.FreeCoTaskMem(intptrStruct);
// Throw an exception if this operation failed.
if (!bReturn)
{
throw new ProxyException("InternetSetOption failed.", new Win32Exception());
}
// Notify the system that the registry settings have been changed and cause
// the proxy data to be reread from the registry for a handle.
bReturn = NativeMethods.InternetSetOption(
IntPtr.Zero,
INTERNET_OPTION.INTERNET_OPTION_PROXY_SETTINGS_CHANGED,
IntPtr.Zero, 0);
if (!bReturn)
{
Logging.Error("InternetSetOption:INTERNET_OPTION_PROXY_SETTINGS_CHANGED");
}
bReturn = NativeMethods.InternetSetOption(
IntPtr.Zero,
INTERNET_OPTION.INTERNET_OPTION_REFRESH,
IntPtr.Zero, 0);
if (!bReturn)
{
Logging.Error("InternetSetOption:INTERNET_OPTION_REFRESH");
}
}
/// <summary>
/// Set IE settings.
/// </summary>
private static void SetIEProxy(bool enable, bool global, string proxyServer, string pacURL, string connName)
{
List <INTERNET_PER_CONN_OPTION> _optionlist = new List <INTERNET_PER_CONN_OPTION>();
if (enable)
{
if (global)
{
// global proxy
_optionlist.Add(new INTERNET_PER_CONN_OPTION
{
dwOption = (int)INTERNET_PER_CONN_OptionEnum.INTERNET_PER_CONN_FLAGS_UI,
Value = { dwValue = (int)(INTERNET_OPTION_PER_CONN_FLAGS_UI.PROXY_TYPE_PROXY
| INTERNET_OPTION_PER_CONN_FLAGS_UI.PROXY_TYPE_DIRECT) }
});
_optionlist.Add(new INTERNET_PER_CONN_OPTION
{
dwOption = (int)INTERNET_PER_CONN_OptionEnum.INTERNET_PER_CONN_PROXY_SERVER,
Value = { pszValue = Marshal.StringToHGlobalAuto(proxyServer) }
});
_optionlist.Add(new INTERNET_PER_CONN_OPTION
{
dwOption = (int)INTERNET_PER_CONN_OptionEnum.INTERNET_PER_CONN_PROXY_BYPASS,
Value = { pszValue = Marshal.StringToHGlobalAuto("<local>") }
});
}
else
{
// pac
_optionlist.Add(new INTERNET_PER_CONN_OPTION
{
dwOption = (int)INTERNET_PER_CONN_OptionEnum.INTERNET_PER_CONN_FLAGS_UI,
Value = { dwValue = (int)INTERNET_OPTION_PER_CONN_FLAGS_UI.PROXY_TYPE_AUTO_PROXY_URL }
});
_optionlist.Add(new INTERNET_PER_CONN_OPTION
{
dwOption = (int)INTERNET_PER_CONN_OptionEnum.INTERNET_PER_CONN_AUTOCONFIG_URL,
Value = { pszValue = Marshal.StringToHGlobalAuto(pacURL) }
});
}
}
else
{
// direct
_optionlist.Add(new INTERNET_PER_CONN_OPTION
{
dwOption = (int)INTERNET_PER_CONN_OptionEnum.INTERNET_PER_CONN_FLAGS_UI,
Value = { dwValue = (int)(INTERNET_OPTION_PER_CONN_FLAGS_UI.PROXY_TYPE_AUTO_DETECT
| INTERNET_OPTION_PER_CONN_FLAGS_UI.PROXY_TYPE_DIRECT) }
});
}
// Get total length of INTERNET_PER_CONN_OPTIONs
var len = _optionlist.Sum(each => Marshal.SizeOf(each));
// Allocate a block of memory of the options.
IntPtr buffer = Marshal.AllocCoTaskMem(len);
IntPtr current = buffer;
// Marshal data from a managed object to an unmanaged block of memory.
foreach (INTERNET_PER_CONN_OPTION eachOption in _optionlist)
{
Marshal.StructureToPtr(eachOption, current, false);
current = (IntPtr)((int)current + Marshal.SizeOf(eachOption));
}
// Initialize a INTERNET_PER_CONN_OPTION_LIST instance.
INTERNET_PER_CONN_OPTION_LIST optionList = new INTERNET_PER_CONN_OPTION_LIST();
// Point to the allocated memory.
optionList.pOptions = buffer;
// Return the unmanaged size of an object in bytes.
optionList.Size = Marshal.SizeOf(optionList);
optionList.Connection = connName.IsNullOrEmpty()
? IntPtr.Zero // NULL means LAN
: Marshal.StringToHGlobalAuto(connName); // TODO: not working if contains Chinese
optionList.OptionCount = _optionlist.Count;
optionList.OptionError = 0;
int optionListSize = Marshal.SizeOf(optionList);
// Allocate memory for the INTERNET_PER_CONN_OPTION_LIST instance.
IntPtr intptrStruct = Marshal.AllocCoTaskMem(optionListSize);
// Marshal data from a managed object to an unmanaged block of memory.
Marshal.StructureToPtr(optionList, intptrStruct, true);
// Set internet settings.
bool bReturn = NativeMethods.InternetSetOption(
IntPtr.Zero,
INTERNET_OPTION.INTERNET_OPTION_PER_CONNECTION_OPTION,
intptrStruct, optionListSize);
// Free the allocated memory.
Marshal.FreeCoTaskMem(buffer);
Marshal.FreeCoTaskMem(intptrStruct);
// Throw an exception if this operation failed.
if (!bReturn)
{
throw new Exception("InternetSetOption: " + Marshal.GetLastWin32Error());
}
// Notify the system that the registry settings have been changed and cause
// the proxy data to be reread from the registry for a handle.
bReturn = NativeMethods.InternetSetOption(
IntPtr.Zero,
INTERNET_OPTION.INTERNET_OPTION_PROXY_SETTINGS_CHANGED,
IntPtr.Zero, 0);
if (!bReturn)
{
Logging.Error("InternetSetOption:INTERNET_OPTION_PROXY_SETTINGS_CHANGED");
}
bReturn = NativeMethods.InternetSetOption(
IntPtr.Zero,
INTERNET_OPTION.INTERNET_OPTION_REFRESH,
IntPtr.Zero, 0);
if (!bReturn)
{
Logging.Error("InternetSetOption:INTERNET_OPTION_REFRESH");
}
}
