public bool Zero(int milliSenconds)
{
int timeout = 0;
if (ANDserial == null)
{
return(false);
}
ANDserial.SendMessage("R\r\n");
while (String.IsNullOrEmpty(ANDserial.SendBackMessageIntime("Q\r\n", 100)) && timeout < milliSenconds / 100)
{
Thread.Sleep(5);
timeout++;
}
if (timeout >= milliSenconds / 100)
{
return(false);
}
else
{
return(true);
}
}