private RASCONN[] GetConnections(out int count)
{
RASCONN[] lpRasConn;
bool retry;
count = 1;
do
{
retry = false;
lpRasConn = structFactory.CreateArray <RASCONN>(count, out var lpCb);
var ret = api.RasEnumConnections(lpRasConn, ref lpCb, ref count);
if (ret == ERROR_BUFFER_TOO_SMALL)
{
retry = true;
}
else if (ret != SUCCESS)
{
throw exceptionPolicy.Create(ret);
}
} while (retry);
return(lpRasConn);
}
private RASDEVINFO[] GetDevices(out int count)
{
RASDEVINFO[] lpRasDevInfo;
bool retry;
count = 1;
do
{
retry = false;
lpRasDevInfo = structFactory.CreateArray <RASDEVINFO>(count, out var lpCb);
var ret = api.RasEnumDevices(lpRasDevInfo, ref lpCb, ref count);
if (ret == ERROR_BUFFER_TOO_SMALL)
{
retry = true;
}
else if (ret != SUCCESS)
{
throw exceptionPolicy.Create(ret);
}
} while (retry);
return(lpRasDevInfo);
}