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); }
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; } }