static public int GetReaderPID(out byte[] PID)
{
PID = null;
//if(_IsOpen == false) return -1;
//if (_CommMode != UsbMode.ACM)
//{
// PID = InstanceofHID.GetReaderPID();
// Array.Reverse(PID);
// return 0;
//}
//else if (_CommMode == UsbMode.ACM)
//{
// PID = InstanceofVC.GetReaderPID();
// if (PID == null) return -1;
// return 0;
//}
//else return -1;
PID = HID.GetReaderPID();
if (PID != null)
{
Array.Reverse(PID);
return(0);
}
PID = VirtualCom.GetReaderPID();
if (PID != null)
{
return(0);
}
return(-1);
}