private void RemoveTime_Click(object sender, RoutedEventArgs e)
{
StackPanel panel = Parent as StackPanel;
panel.Children.Remove(this);
ClassTimeChanged?.Invoke();
}
private void TimePicker_Changed(object sender, RoutedEventArgs e)
{
ClassTimeChanged?.Invoke();
}
private void CheckBox_Checked(object sender, RoutedEventArgs e)
{
ClassTimeChanged?.Invoke();
}