public static bool disconnectVPN(string vpnName)
{
int cb = 0, connectionCount;
if (RasEnumConnections(null, ref cb, out connectionCount) == ERROR_BUFFER_TOO_SMALL)
{
if (connectionCount == 0)
{
return(false);
}
RASCONN[] buffer = new RASCONN[connectionCount];
buffer[0].dwSize = Marshal.SizeOf(typeof(RASCONN));
if (RasEnumConnections(buffer, ref cb, out connectionCount) == ERROR_SUCCESS)
{
foreach (RASCONN rasConn in buffer)
{
if (rasConn.szEntryName == vpnName)
{
if (RasHangUp(rasConn.hrasconn) == 0)
{
return(true);
}
else
{
return(false);
}
}
}
}
}
return(false);
}
public bool IsConnected()
{
RASCONN[] rasStructs = GetRasConnections();
RASCONNSTATUS rasConnStatus = new RASCONNSTATUS();
rasConnStatus.dwSize = Marshal.SizeOf(typeof(RASCONNSTATUS));
for (int i = 0; i < rasConnectionsAmount; ++i)
{
// Pobranie pojedynczej struktury
RASCONN rStruct = rasStructs[i];
int statusResult = RasGetConnectStatus(rStruct.hrasconn, ref rasConnStatus);
if (statusResult != 0)
{
throw new Win32Exception(statusResult);
}
if (rasConnStatus.rasconnstate == RAS_Connected)
{
return(true);
}
}
return(false);
}
public void RasEnumConnectionsAsExpected()
{
var lpCb = 0;
var lpConnections = 1;
var lpRasConn = new RASCONN[0];
api.Setup(o => o.RasEnumConnections(lpRasConn, ref It.Ref <int> .IsAny, ref It.Ref <int> .IsAny)).Returns(new RasEnumConnectionsCallback(
(RASCONN[] o1, ref int o2, ref int o3) =>
{
o2 = 1;
o3 = 2;
return(SUCCESS);
}));
eventLoggingPolicy.Setup(o => o.LogEvent(It.IsAny <EventLevel>(), It.IsAny <PInvokeInt32CallCompletedTraceEvent>())).Callback(new LogEventCallback(
(level, o1) =>
{
Assert.AreEqual(EventLevel.Verbose, level);
var eventData = (PInvokeInt32CallCompletedTraceEvent)o1;
Assert.True(eventData.Args.ContainsKey(nameof(lpRasConn)));
Assert.AreEqual(0, (int)eventData.Args[nameof(lpCb)]);
Assert.AreEqual(1, (int)eventData.Args[nameof(lpConnections)]);
Assert.AreEqual(1, (int)eventData.OutArgs[nameof(lpCb)]);
Assert.AreEqual(2, (int)eventData.OutArgs[nameof(lpConnections)]);
Assert.True(eventData.Duration > TimeSpan.Zero);
Assert.AreEqual(SUCCESS, eventData.Result);
})).Verifiable();
var target = new RasApi32LoggingAdvice(api.Object, eventLoggingPolicy.Object);
var result = target.RasEnumConnections(lpRasConn, ref lpCb, ref lpConnections);
eventLoggingPolicy.Verify();
Assert.AreEqual(SUCCESS, result);
}
public static uint UpLink(string phoneBookEntry)
{
if (phoneBookEntry == String.Empty)
{
throw new ArgumentNullException("phoneBookEntry");
}
RASCONN[] rasConnArr = GetAllConnections();
RASCONN rConn = new RASCONN();
rConn =
Array.Find <RASCONN>(rasConnArr,
delegate(RASCONN rasConn)
{
return(rasConn.szEntryName == phoneBookEntry ? true : false);
});
if (rConn.hrasconn != IntPtr.Zero)
{
RasHangUp(rConn.hrasconn);
Thread.Sleep(3000);
}
IntPtr hConnection = IntPtr.Zero;
RASDIALPARAMS rasDialParams = new RASDIALPARAMS();
rasDialParams.dwSize = Marshal.SizeOf(rasDialParams);
rasDialParams.szEntryName += phoneBookEntry;
rasDialParams.szUserName += "\0";
rasDialParams.szPassword += "\0";
UInt32 result = RasDial(0, null, ref rasDialParams, 0, null, ref hConnection);
return(result);
}
public static RASCONN[] GetActiveConnections()
{
RASCONN[] connections = new RASCONN[1];
connections[0].dwSize = Marshal.SizeOf(typeof(RASCONN));
//Get entries count
int connectionsCount = 0;
int cb = Marshal.SizeOf(typeof(RASCONN));
int nRet = RasEnumConnections(connections, ref cb, out connectionsCount);
if (nRet != (int)winerror.ERROR_SUCCESS && nRet != (int)winerror.ERROR_BUFFER_TOO_SMALL)
{
throw new Exception("RasEnumConnections" + nRet.ToString());
}
if (connectionsCount == 0)
{
return(new RASCONN[0]);
}
// create array with specified entries number
connections = new RASCONN[connectionsCount];
for (int i = 0; i < connections.Length; i++)
{
connections[i].dwSize = Marshal.SizeOf(typeof(RASCONN));
}
nRet = RasEnumConnections(connections, ref cb, out connectionsCount);
if (nRet != (int)winerror.ERROR_SUCCESS)
{
throw new Exception("RasEnumConnections" + nRet.ToString());
}
return(connections);
}
/// <summary>
/// 是否正在连接
/// </summary>
/// <returns></returns>
public bool isConnect()
{
bool m_connected = true;
RASCONN lprasConn = new RASCONN();
//lprasConn.dwSize = Marshal.SizeOf(typeof(RASCONN));
lprasConn.dwSize = 412;
lprasConn.hrasconn = IntPtr.Zero;
int lpcb = 0;
int lpcConnections = 0;
int nRet = 0;
lpcb = Marshal.SizeOf(typeof(RASCONN));
nRet = RasEnumConnections(ref lprasConn, ref lpcb, ref lpcConnections);
if (nRet != 0)
{
m_connected = false;
}
if (lpcConnections == 0)
{
m_connected = false;
}
if (lpcConnections > 0)
{
m_ConnectedRasHandle = lprasConn.hrasconn;
}
return(m_connected);
}
/// <summary>
/// Pobranie wszystkich połączeń RAS.
/// </summary>
/// <returns>Struktury połączeń RAS</returns>
private RASCONN[] GetRasConnections()
{
// Stworzenie tablicy, którą później należy przekazać funkcjom
int rasEnumReturn;
RASCONN[] rasconnStructs = new RASCONN[256];
rasconnStructs.Initialize(); // inicjalizacja wszystkich pól struktury
rasconnStructs[0].dwSize = Marshal.SizeOf(typeof(RASCONN)); // inicjalizacja pierwszego pola pierwszej struktury na wartość wielkości tej struktury
int sizeOfRasconnStruct = rasconnStructs[0].dwSize * rasconnStructs.Length; // wielkość pojedynczej struktury * ilosc
// Wywołanie RasEnumConnections do zdobycia wszystkich aktywnych połączeń RAS
rasEnumReturn = RasEnumConnections(rasconnStructs, ref sizeOfRasconnStruct, ref rasConnectionsAmount);
// jeżeli RasEnumConnections nie zwróciło ERROR_SUCCESS
if (rasEnumReturn != 0) throw new Win32Exception(rasEnumReturn);
return rasconnStructs;
}
/// <summary>
/// Rozłącza internet.
/// </summary>
public void Disconnect()
{
RASCONN[] rasStructs = GetRasConnections();
// Przejście przez każdą strukturę RASCONN
for (int i = 0; i < rasConnectionsAmount; i++)
{
// Pobranie pojedynczej struktury
RASCONN rStruct = rasStructs[i];
// Jeżeli uchwyt do połączenia wynosi 0, to brak połączenia
if (rStruct.hrasconn == IntPtr.Zero) continue; // i następna struktura...
// Rozłączenie...
RasHangUp(rStruct.hrasconn);
}
}
public static string GetIP(string strEntryName)
{
RASCONN[] Rasconn = new RASCONN[1];
Rasconn[0].dwSize = Marshal.SizeOf(Rasconn[0]);
RASCONNSTATUS structure = new RASCONNSTATUS();
int lpcb = 0;
int lpcConnections = 0;
structure.dwSize = Marshal.SizeOf(structure);
int nErrorValue = RasEnumConnections(Rasconn, ref lpcb, ref lpcConnections);
switch (nErrorValue)
{
case 0:
break;
case 0x25b:
Rasconn = new RASCONN[lpcConnections];
lpcb = Rasconn[0].dwSize = Marshal.SizeOf(Rasconn[0]);
nErrorValue = RasEnumConnections(Rasconn, ref lpcb, ref lpcConnections);
break;
//default:
//ConnectNotify(this.GetErrorString(nErrorValue), 3);
//return;
}
int lphrsaConn = 0;
foreach (RASCONN rasconn in Rasconn.Where(rasconn => rasconn.szEntryName == strEntryName))
{
if (rasconn.hrasconn != 0)
{
lphrsaConn = rasconn.hrasconn;
}
}
if (lphrsaConn == 0)
{
return("");
}
RASPPPIP structProjection = new RASPPPIP();
uint uiProjSize = (uint)structProjection.dwSize;
try {
uint errorCode = RasGetProjectionInfo(lphrsaConn, RASPROJECTION.RASP_PppIp, structProjection, ref uiProjSize);
return(structProjection.szIpAddress);
} catch {
return("");
}
}
/*
* m_connected = true;
*
* RAS lpras = new RAS();
*
* RASCONN lprasConn = new RASCONN();
*
* lprasConn.dwSize = Marshal.SizeOf(typeof(RASCONN));
* lprasConn.hrasconn = IntPtr.Zero;
*
* int lpcb = 0;
* int lpcConnections = 0;
* int nRet = 0;
* lpcb = Marshal.SizeOf(typeof(RASCONN));
*
*
* nRet = RAS.RasEnumConnections(ref lprasConn, ref lpcb, ref lpcConnections);
*
*
* if (nRet != 0)
* {
* m_connected = false;
* return;
*
* }
*
* if (lpcConnections > 0)
* {
*
*
* //for (int i = 0; i < lpcConnections; i++)
*
* //{
* RasStats stats = new RasStats();
*
* m_ConnectedRasHandle = lprasConn.hrasconn;
* RAS.RasGetConnectionStatistics(lprasConn.hrasconn, stats);
*
*
* m_ConnectionName = lprasConn.szEntryName;
*
* int Hours = 0;
* int Minutes = 0;
* int Seconds = 0;
*
* Hours = ((stats.dwConnectionDuration / 1000) / 3600);
* Minutes = ((stats.dwConnectionDuration / 1000) / 60) - (Hours * 60);
* Seconds = ((stats.dwConnectionDuration / 1000)) - (Minutes * 60) - (Hours * 3600);
*
*
* m_duration = Hours + " hours " + Minutes + " minutes " + Seconds + " secs";
* m_TX = stats.dwBytesXmited;
* m_RX = stats.dwBytesRcved;
*
*
* //}
*
*
* }
* else
* {
* m_connected = false;
*
* }
*/
public bool HangUp(string strEntryName, out string strError)
{
strError = "";
RASCONN[] Rasconn = new RASCONN[1];
Rasconn[0].dwSize = Marshal.SizeOf(Rasconn[0]);
RASCONNSTATUS structure = new RASCONNSTATUS();
int lpcb = 0;
int lpcConnections = 0;
structure.dwSize = Marshal.SizeOf(structure);
lpcb = 0x500;
int nErrorValue = RasEnumConnections(Rasconn, ref lpcb, ref lpcConnections);
switch (nErrorValue)
{
case 0:
break;
case 0x25b:
Rasconn = new RASCONN[lpcConnections];
lpcb = Rasconn[0].dwSize = Marshal.SizeOf(Rasconn[0]);
nErrorValue = RasEnumConnections(Rasconn, ref lpcb, ref lpcConnections);
break;
//default:
//ConnectNotify(this.GetErrorString(nErrorValue), 3);
//return;
}
foreach (RASCONN rasconn in Rasconn.Where(rasconn => rasconn.szEntryName == strEntryName))
{
if (rasconn.hrasconn != 0)
{
int num2 = RasHangUp(rasconn.hrasconn);
if (num2 != 0)
{
//strError = this.GetErrorString(num2);
//this.ConnectNotify(strError, 0);
return(false);
}
}
}
strError = null;
return(true);
}
private RasConnection CreateConnection(RASCONN hRasConn)
{
var device = deviceTypeFactory.Create(hRasConn.szDeviceName, hRasConn.szDeviceType);
if (device == null)
{
throw new InvalidOperationException("The device was not created.");
}
return(new RasConnection(
hRasConn.hrasconn,
device,
hRasConn.szEntryName,
hRasConn.szPhonebook,
hRasConn.guidEntry,
CreateConnectionOptions(hRasConn),
hRasConn.luid,
hRasConn.guidCorrelationId,
serviceLocator));
}
/// <summary>
/// 断开所有链接
/// </summary>
/// <returns></returns>
public int HangAllConnection()
{
int flags = 0;
InternetGetConnectedState(ref flags, 0);
if (!((flags & INTERNET_RAS_INSTALLED) == INTERNET_RAS_INSTALLED))
{
throw new NotSupportedException();
}
//create array of structures to pass to API
int ret;
int conns = 0;
RASCONN[] rarr = new RASCONN[256];
rarr.Initialize();
rarr[0].dwSize = Marshal.SizeOf(typeof(RASCONN));
int lr = rarr[0].dwSize * rarr.Length;
//call RasEnumConnections to loop all RAS connections
ret = RasEnumConnections(rarr, ref lr, ref conns);
if (ret != 0)
{
throw new Win32Exception(ret);
}
//loop through each RASCONN struct
for (int i = 0; i < conns; i++)
{
//retrieve RASCONN struct
RASCONN r = rarr[i];
//if connection bad, handle will be 0
if (r.hrasconn == IntPtr.Zero)
{
continue;
}
return(RasHangUp(r.hrasconn));
}
return(-1);
}
/// <summary>
/// Returns all active RAS connections as an array of data structure RASCONN
/// </summary>
/// <returns></returns>
private static RASCONN[] GetAllConnections()
{
RASCONN[] tempConn = new RASCONN[1];
RASCONN[] allConnections = tempConn;
tempConn[0].dwSize = Marshal.SizeOf(typeof(RASCONN));
int lpcb = tempConn[0].dwSize;
int lpcConnections = 0;
uint ret = RasEnumConnections(tempConn, ref lpcb, out lpcConnections);
if (ret == ERROR_INVALID_SIZE)
{
throw new Exception("RAS: RASCONN data structure has invalid format");
}
else if (ret == ERROR_BUFFER_TOO_SMALL && lpcb != 0)
{
// first call returned that there are more than one connections
// and more memory is required
allConnections = new RASCONN[lpcb / Marshal.SizeOf(typeof(RASCONN))];
allConnections[0] = tempConn[0];
ret = RasEnumConnections(allConnections, ref lpcb, out lpcConnections);
}
// Check errors
if (ret != SUCCESS)
{
throw new Exception("RAS returns error: " + ret);
}
if (lpcConnections > allConnections.Length)
{
throw new Exception("RAS: error retrieving correct connection count");
}
else if (lpcConnections == 0)
{
// if there are no connections resize the data structure
allConnections = new RASCONN[0];
}
return allConnections;
}
private static RASCONN[] GetAllConnections()
{
RASCONN[] tempConn = new RASCONN[1];
RASCONN[] allConnections = tempConn;
tempConn[0].dwSize = Marshal.SizeOf(typeof(RASCONN));
int lpcb = tempConn[0].dwSize;
int lpcConnections = 0;
int ret = RasEnumConnections(tempConn, ref lpcb, out lpcConnections);
if (ret == ERROR_INVALID_SIZE)
{
throw new Exception("RAS: RASCONN data structure has invalid format");
}
else if (ret == ERROR_BUFFER_TOO_SMALL && lpcb != 0)
{
// first call returned that there are more than one connections
// and more memory is required
allConnections = new RASCONN[lpcb / Marshal.SizeOf(typeof(RASCONN))];
allConnections[0] = tempConn[0];
ret = RasEnumConnections(allConnections, ref lpcb, out lpcConnections);
}
// Check errors
if (ret != SUCCESS)
{
throw new Exception("RAS returns error: " + ret);
}
if (lpcConnections > allConnections.Length)
{
throw new Exception("RAS: error retrieving correct connection count");
}
else if (lpcConnections == 0)
{
allConnections = new RASCONN[0];
}
return(allConnections);
}
private RasConnection CreateConnection(RASCONN hRasConn)
{
var device = deviceTypeFactory.Create(hRasConn.szDeviceName, hRasConn.szDeviceType);
if (device == null)
{
throw new InvalidOperationException("The device was not created.");
}
return(new RasConnection(
hRasConn.hrasconn,
device,
hRasConn.szEntryName,
hRasConn.szPhonebook,
hRasConn.guidEntry,
CreateConnectionOptions(hRasConn),
hRasConn.luid,
hRasConn.guidCorrelationId,
serviceLocator.GetRequiredService <IRasGetConnectStatus>(),
serviceLocator.GetRequiredService <IRasGetConnectionStatistics>(),
serviceLocator.GetRequiredService <IRasHangUp>(),
serviceLocator.GetRequiredService <IRasClearConnectionStatistics>()));
}
static void Main(string[] args)
{
//make sure that RAS is installed
int flags = 0;
InternetGetConnectedState(ref flags, 0);
if (!((flags & INTERNET_RAS_INSTALLED) == INTERNET_RAS_INSTALLED))
{
throw new NotSupportedException();
}
//create array of structures to pass to API
int ret;
int conns = 0;
RASCONN[] rarr = new RASCONN[256];
rarr.Initialize();
rarr[0].dwSize = Marshal.SizeOf(typeof(RASCONN));
int lr = rarr[0].dwSize * rarr.Length;
//call RasEnumConnections to loop all RAS connections
ret = RasEnumConnections(rarr, ref lr, ref conns);
if (ret != 0)
{
throw new Win32Exception(ret);
}
//loop through each RASCONN struct
for (int i = 0; i < conns; i++)
{
//retrieve RASCONN struct
RASCONN r = rarr[i];
//if connection bad, handle will be 0
if (r.hrasconn == IntPtr.Zero)
{
continue;
}
//get status of RAS connection
RASCONNSTATUS rcs = new RASCONNSTATUS();
rcs.dwSize = Marshal.SizeOf(typeof(RASCONNSTATUS));
ret = RasGetConnectStatus(r.hrasconn, ref rcs);
if (ret != 0)
{
throw new Win32Exception(ret);
}
//print useful information to the console for each RAS connection
Console.WriteLine("RAS CONNECTION {0}:", i + 1);
Console.WriteLine("\tDevice Name : {0}", r.szDeviceName);
Console.WriteLine("\tDevice Type : {0}", r.szDeviceType);
Console.WriteLine("\tPhone Number: {0}", rcs.szPhoneNumber);
Console.WriteLine("\tConnected? : {0}",
rcs.rasconnstate == RAS_Connected);
Console.WriteLine("\tEntry Name : {0}", r.szEntryName);
Console.WriteLine("\tPhone Book : {0}", r.szPhonebook);
Console.WriteLine();
}
Console.ReadLine();
}
public RASDisplay()
{
m_connected = true;
RAS lpras = new RAS();
RASCONN lprasConn = new RASCONN();
lprasConn.dwSize = Marshal.SizeOf(typeof(RASCONN));
lprasConn.hrasconn = IntPtr.Zero;
int lpcb = 0;
int lpcConnections = 0;
int nRet = 0;
lpcb = Marshal.SizeOf(typeof(RASCONN));
nRet = RAS.RasEnumConnections(ref lprasConn, ref lpcb, ref
lpcConnections);
if (nRet != 0)
{
m_connected = false;
return;
}
if (lpcConnections > 0)
{
//for (int i = 0; i < lpcConnections; i++)
//{
RasStats stats = new RasStats();
m_ConnectedRasHandle = lprasConn.hrasconn;
RAS.RasGetConnectionStatistics(lprasConn.hrasconn, stats);
m_ConnectionName = lprasConn.szEntryName;
int Hours = 0;
int Minutes = 0;
int Seconds = 0;
Hours = ((stats.dwConnectionDuration / 1000) / 3600);
Minutes = ((stats.dwConnectionDuration / 1000) / 60) - (Hours * 60);
Seconds = ((stats.dwConnectionDuration / 1000)) - (Minutes * 60) - (Hours * 3600);
m_duration = Hours + " hours " + Minutes + " minutes " + Seconds + " secs";
m_TX = stats.dwBytesXmited;
m_RX = stats.dwBytesRcved;
//}
}
else
{
m_connected = false;
}
int lpNames = 1;
int entryNameSize = 0;
int lpSize = 0;
RasEntryName[] names = null;
entryNameSize = Marshal.SizeOf(typeof(RasEntryName));
lpSize = lpNames * entryNameSize;
names = new RasEntryName[lpNames];
names[0].dwSize = entryNameSize;
uint retval = RAS.RasEnumEntries(null, null, names, ref lpSize, out lpNames);
//if we have more than one connection, we need to do it again
if (lpNames > 1)
{
names = new RasEntryName[lpNames];
for (int i = 0; i < names.Length; i++)
{
names[i].dwSize = entryNameSize;
}
retval = RAS.RasEnumEntries(null, null, names, ref lpSize, out lpNames);
}
m_ConnectionNames = new string[names.Length];
if (lpNames > 0)
{
for (int i = 0; i < names.Length; i++)
{
m_ConnectionNames[i] = names[i].szEntryName;
}
}
}
internal static extern int RasEnumConnections
(
ref RASCONN lprasconn, // buffer to receive connections data
ref int lpcb, // size in bytes of buffer
ref int lpcConnections // number of connections written to buffer
);
internal static string GetCurrentConnectoid()
{
uint num = (uint) Marshal.SizeOf(typeof(RASCONN));
if (s_RasSupported)
{
uint lpcConnections = 4;
uint num3 = 0;
RASCONN[] lprasconn = null;
while (true)
{
uint lpcb = num * lpcConnections;
lprasconn = new RASCONN[lpcConnections];
lprasconn[0].dwSize = num;
num3 = RasEnumConnections(lprasconn, ref lpcb, ref lpcConnections);
if (num3 != 0x25b)
{
break;
}
lpcConnections = ((lpcb + num) - 1) / num;
}
if ((lpcConnections != 0) && (num3 == 0))
{
for (uint i = 0; i < lpcConnections; i++)
{
RASCONNSTATUS rasconnstatus;
rasconnstatus = new RASCONNSTATUS {
dwSize = (uint) Marshal.SizeOf(rasconnstatus)
};
if ((RasGetConnectStatus(lprasconn[i].hrasconn, ref rasconnstatus) == 0) && (rasconnstatus.rasconnstate == RASCONNSTATE.RASCS_Connected))
{
return lprasconn[i].szEntryName;
}
}
}
}
return null;
}
internal static string GetCurrentConnectoid()
{
uint dwSize = (uint) Marshal.SizeOf(typeof(RASCONN));
GlobalLog.Print("RasHelper::GetCurrentConnectoid() using struct size dwSize:" + dwSize);
if (!s_RasSupported)
{
// if RAS is not supported, behave as if no dial-up/VPN connection is in use
// (which is actually the case, since without RAS dial-up/VPN doesn't work)
return null;
}
uint count = 4;
uint statusCode = 0;
RASCONN[] connections = null;
while (true)
{
uint cb = checked(dwSize * count);
connections = new RASCONN[count];
connections[0].dwSize = dwSize;
statusCode = RasEnumConnections(connections, ref cb, ref count);
GlobalLog.Print("RasHelper::GetCurrentConnectoid() called RasEnumConnections() count:" + count + " statusCode: " + statusCode + " cb:" + cb);
if (statusCode != ERROR_BUFFER_TOO_SMALL)
{
break;
}
count = checked(cb + dwSize - 1) / dwSize;
}
if (count == 0 || statusCode != 0)
{
return null;
}
for (uint i=0; i < count; i++)
{
GlobalLog.Print("RasHelper::GetCurrentConnectoid() RASCONN[" + i + "]");
GlobalLog.Print("RasHelper::GetCurrentConnectoid() RASCONN[" + i + "].dwSize: " + connections[i].dwSize);
GlobalLog.Print("RasHelper::GetCurrentConnectoid() RASCONN[" + i + "].hrasconn: " + connections[i].hrasconn);
GlobalLog.Print("RasHelper::GetCurrentConnectoid() RASCONN[" + i + "].szEntryName: " + connections[i].szEntryName);
GlobalLog.Print("RasHelper::GetCurrentConnectoid() RASCONN[" + i + "].szDeviceType: " + connections[i].szDeviceType);
GlobalLog.Print("RasHelper::GetCurrentConnectoid() RASCONN[" + i + "].szDeviceName: " + connections[i].szDeviceName);
RASCONNSTATUS connectionStatus = new RASCONNSTATUS();
connectionStatus.dwSize = (uint)Marshal.SizeOf(connectionStatus);
// RELIABILITY:
// the 'hrasconn' field is an IntPtr because it's defined as a handle
// that said, its use is that of a opaque ID, so we're not
// allocating anything that needs to be released for reliability.
statusCode = RasGetConnectStatus(connections[i].hrasconn, ref connectionStatus);
GlobalLog.Print("RasHelper::GetCurrentConnectoid() called RasGetConnectStatus() statusCode: " + statusCode + " dwSize: " + connectionStatus.dwSize);
if (statusCode==0) {
GlobalLog.Print("RasHelper::GetCurrentConnectoid() RASCONN[" + i + "].RASCONNSTATUS.dwSize: " + connectionStatus.dwSize);
GlobalLog.Print("RasHelper::GetCurrentConnectoid() RASCONN[" + i + "].RASCONNSTATUS.rasconnstate: " + connectionStatus.rasconnstate);
GlobalLog.Print("RasHelper::GetCurrentConnectoid() RASCONN[" + i + "].RASCONNSTATUS.dwError: " + connectionStatus.dwError);
GlobalLog.Print("RasHelper::GetCurrentConnectoid() RASCONN[" + i + "].RASCONNSTATUS.szDeviceType: " + connectionStatus.szDeviceType);
GlobalLog.Print("RasHelper::GetCurrentConnectoid() RASCONN[" + i + "].RASCONNSTATUS.szDeviceName: " + connectionStatus.szDeviceName);
if (connectionStatus.rasconnstate==RASCONNSTATE.RASCS_Connected) {
return connections[i].szEntryName;
}
}
}
return null;
}
private RasConnectionOptions CreateConnectionOptions(RASCONN hRasConn)
{
return(new RasConnectionOptions(hRasConn.dwFlags));
}