private void Button_del_Click(object sender, RoutedEventArgs e)
{
if (flag == null)
{
if (Number1 != null)
{
if (Number1.Length > 0)
{
Number1 = Number1.Remove(Number1.Length - 1);
}
label1.Content = Number1;
}
}
else
{
if (Number2 != null)
{
if (Number2.Length > 0)
{
Number2 = Number2.Remove(Number2.Length - 1);
}
label1.Content = Number2;
}
}
}
private void Button_DEL_Click(object sender, RoutedEventArgs e)
{
if (flag == Operator.none)
{
if (Number1.Length > 0)
{
Number1 = Number1.Remove(Number1.Length - 1);
label1.Content = Number1;
}
}
else
{
if (Number2.Length > 0)
{
Number2 = Number2.Remove(Number2.Length - 1);
label1.Content = Number2;
}
}
}
