public void EnumerateDevices()
{
// var newDeviceList = HitachiBio.EnumerateDevices();
if (DateTime.Now - LastTime > TimeSpan.FromSeconds(1.0))
{
LastTime = DateTime.Now;
}
else
{
return;
}
var removeList = ActiveDevices.OfType <DeviceHi>().Where(dev => !dev.IsOnline).ToList();
foreach (var device in removeList)
{
device.Dispose();
ActiveDevices.Remove(device);
}
foreach (var device in ActiveDevices)
{
device.Dispatch(COMMAND.SINGLECAPTURE_STOP);
}
var newDevicesInfo = HitachiBio.EnumerateDevices();
foreach (var deviceInfo in newDevicesInfo)
{
if (!ActiveDevices.OfType <DeviceHi>().Any(dev => dev.Uid == deviceInfo.UnitId.ToString()))
{
ActiveDevices.Add(new DeviceHi(deviceInfo));
}
}
}
internal int Match(FingerTemplate template,IEnumerable <FingerTemplate> candidates,out List <FingerTemplate> matches)
{
Attach();
int res = HitachiBio.Match(handle,template,candidates,out matches);
//Detach();
return(res);
}
private void Detach()
{
if (_isAttached)
{
HitachiBio.Detach(handle);
_isAttached = false;
}
}
public void Dispose()
{
foreach (var device in ActiveDevices)
{
device.Dispose();
}
HitachiBio.Dispose();
}
private bool Attach()
{
if (!_isAttached)
{
if (HitachiBio.Attach(unitinfo,ref handle,streamingCallBack,stateCallBack))
{
_isAttached = true;
return(true);
}
else
{
return(false);
}
}
return(false);
}
public void Initialize()
{
ActiveDevices = new List <IFingerDevice>();
HitachiBio.Initialize();
EnumerateDevices();
}