/// <summary>
/// Cancels Current enrollment operation
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void CancelEnrollment_Clicked(object sender, RoutedEventArgs e)
{
// Cancel ongoing enrollment operation
_currentOperation.OnCalcel();
// Default the active thumbnail button background back to transparent
_activeThumbnailBtn.Background = Brushes.Transparent;
foreach (var thumbnail in _activeThumnails)
{
if (thumbnail.IndexNumber.ToString() == _activeImage.Tag.ToString())
{
// Sets the image of active thumbnail back to its default
_activeImage.Source = new BitmapImage(new Uri(thumbnail.ImgPath, UriKind.RelativeOrAbsolute));
}
}
// Set Active label foreground color
SetLblForegroundColor(_activeTextBlock, "ForegroundMainBrush");
// Sets ThumbnailLarge image source and height properties to default
ThumbnailLarge.Height = 150;
ThumbnailLarge.Source = new BitmapImage(new Uri("/Images/HandAndDevice.png", UriKind.RelativeOrAbsolute));
// Defaulting label for enrollment percentage back to zero
LblPercentage.Text = "0%";
}
private void btnStop_Click(object sender, EventArgs e)
{
m_Operation.OnCalcel();
}