private void OnBackSpace(string obj)
{
if (PaymentNoteNumber.Length > 0 && !IsFocusedPaymentNote)
{
PaymentNoteNumber = PaymentNoteNumber.Remove(PaymentNoteNumber.Length - 1);
}
else
{
var key = Key.Back;
var target = System.Windows.Input.Keyboard.FocusedElement;
var routedEvent = System.Windows.Input.Keyboard.KeyDownEvent;
target.RaiseEvent(
new KeyEventArgs(
System.Windows.Input.Keyboard.PrimaryDevice,
PresentationSource.FromVisual(target as Visual),
0,
key)
{
RoutedEvent = routedEvent
}
);
var textBox = target as TextBox;
if (textBox != null)
{
PaymentNoteNumber = textBox.Text;
}
}
}
