public bool IsNotFinger(TimeSpan timeout)
{
try
{
onInfo?.Invoke(MSGAPI11);
waitFinger = true;
var t = new _FTRSCAN_FRAME_PARAMETERS();
DateTime dt = DateTime.Now;
while (waitFinger && DateTime.Now.Subtract(dt) <= timeout)
{
onInfoAppend?.Invoke("!");
if (ftrScanIsFingerPresent(device, out t))
{
Thread.Sleep(delay);
}
else
{
return(true);
}
}
return(false);
}
catch (Exception ex)
{
onError?.Invoke(ex);
return(false);
}
finally
{
waitFinger = false;
}
}
public bool IsFinger()
{
var t = new _FTRSCAN_FRAME_PARAMETERS();
bool dedo = ftrScanIsFingerPresent(device, out t);
if (!t.isOK)
{
Dispose();
return(false);
}
else
{
return(dedo);
}
}
static extern bool ftrScanIsFingerPresent(IntPtr ftrHandle, out _FTRSCAN_FRAME_PARAMETERS pFrameParameters);
public bool IsFinger()
{
var t = new _FTRSCAN_FRAME_PARAMETERS();
return ftrScanIsFingerPresent(device, out t);
}
static extern bool ftrScanIsFingerPresent(IntPtr ftrHandle, out _FTRSCAN_FRAME_PARAMETERS pFrameParameters);
public bool IsFinger()
{
var t = new _FTRSCAN_FRAME_PARAMETERS();
return(ftrScanIsFingerPresent(device, out t));
}
/// <summary>
/// Detecta a existencia de um dedo no sensor
/// </summary>
public bool IsFinger(TimeSpan timeout, Action waiting = null)
{
try
{
onInfo?.Invoke(MSGAPI5);
waitFinger = true;
var t = new _FTRSCAN_FRAME_PARAMETERS();
int n = 1;
bool hasTime = true;
DateTime dt = DateTime.Now;
while (waitFinger && hasTime)
{
hasTime = DateTime.Now.Subtract(dt) <= timeout;
if (ftrScanIsFingerPresent(device, out t))
{
if (t.nContrastOnDose2 > minContrast || !hasTime) // garante que vai pegar o dedo por pior que seja no tempo maximo
{
onInfoAppend?.Invoke(" D" + n + ": " + t.nContrastOnDose2);
n++;
if (!hasTime)
{
onInfoAppend?.Invoke(" D" + n + ": " + t.nContrastOnDose2 + " Timeout");
return(true);
}
else if (n > 4)
{
return(true);
}
}
else
{
lastContrast = t.nContrastOnDose2;
onInfoAppend?.Invoke("-" + t.nContrastOnDose2);
}
}
else
{
onInfoAppend?.Invoke(".");
}
waiting?.Invoke();
Thread.Sleep(delay);
}
onInfo?.Invoke(MSGAPI9);
return(false);
}
catch (ThreadAbortException)
{
return(false);
}
catch (Exception ex)
{
onError?.Invoke(ex);
return(false);
}
finally
{
waitFinger = false;
}
}
