/// <summary>
/// cRASDisplay
/// </summary>
public cRASDisplay()
{
m_connected = true;
cRAS lpras = new cRAS();
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 = cRAS.RasEnumConnections(ref lprasConn, ref lpcb, ref
lpcConnections);
if (nRet != 0)
{
m_connected = false;
return;
}
if (lpcConnections > 0)
{
RasStats stats = new RasStats();
m_ConnectedRasHandle = lprasConn.hrasconn;
cRAS.RasGetConnectionStatistics(lprasConn.hrasconn, stats);
m_ConnectionName = lprasConn.szEntryName;
m_ConnectDuration = stats.dwConnectDuration;
int Hours = 0;
int Minutes = 0;
int Seconds = 0;
Hours = ((stats.dwConnectDuration / 1000) / 3600);
Minutes = ((stats.dwConnectDuration / 1000) / 60) - (Hours * 60);
Seconds = ((stats.dwConnectDuration / 1000)) - (Minutes * 60) - (Hours * 3600);
m_duration = Hours + " 小时 " + Minutes + " 分钟 " + Seconds + " 秒";
m_TX = stats.dwBytesXmited;
m_RX = stats.dwBytesRcved;
//获取IP
RASPPPIP structProjection = new RASPPPIP();
uint uiProjSize = (uint)structProjection.dwSize;
try {
uint errorCode = cRAS.RasGetProjectionInfo(m_ConnectedRasHandle, RASPROJECTION.RASP_PppIp, structProjection, ref uiProjSize);
} catch { }
m_ip = structProjection.szIpAddress;
}
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 = cRAS.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 = cRAS.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
);
