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);
}