/// <summary>
/// 计时器事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void TimerEvent(object sender, ElapsedEventArgs e)
{
TmphRASCONNSTATUS structure = new TmphRASCONNSTATUS();
int lpcb = 0;
int lpcConnections = 0;
structure.dwSize = Marshal.SizeOf(structure);
int nErrorValue = RasEnumConnections(this.Rasconn, ref lpcb, ref lpcConnections);
switch (nErrorValue)
{
case 0:
break;
case 0x25b:
this.Rasconn = new TmphRASCONN[lpcConnections];
lpcb = this.Rasconn[0].dwSize = Marshal.SizeOf(this.Rasconn[0]);
nErrorValue = RasEnumConnections(this.Rasconn, ref lpcb, ref lpcConnections);
break;
default:
this.ConnectNotify(this.GetErrorString(nErrorValue), 3);
return;
}
if (nErrorValue != 0)
{
this.ConnectNotify(this.GetErrorString(nErrorValue), 3);
}
else if ((lpcConnections < 1) && this.bConnected)
{
this.bConnected = false;
this.ConnectNotify("连接中断.", 0);
}
else
{
for (int i = 0; i < lpcConnections; i++)
{
nErrorValue = RasGetConnectStatus(this.Rasconn[i].hrasconn, ref structure);
if (nErrorValue != 0)
{
this.ConnectNotify(this.GetErrorString(nErrorValue), 3);
return;
}
if ((structure.rasconnstate == TmphRASCONNSTATE.RASCS_Connected) && !this.bConnected)
{
this.bConnected = true;
this.ConnectNotify("成功连接到" + this.Rasconn[i].szEntryName + '.', 2);
}
if ((structure.rasconnstate == TmphRASCONNSTATE.RASCS_Disconnected) && this.bConnected)
{
this.bConnected = false;
this.ConnectNotify("连接中断.", 0);
}
}
}
}
private static extern int RasGetConnectStatus(int hrasconn, ref TmphRASCONNSTATUS lprasconnstatus);
