/// <summary>
/// Raises the <see cref="Rollback"/> event.
/// </summary>
/// <returns><c>true</c> if handler does not set the <see cref="WizardPageConfirmEventArgs.Cancel"/> to <c>true</c>; otherwise, <c>false</c>.</returns>
protected virtual bool OnRollback()
{
var e = new WizardPageConfirmEventArgs(this);
Rollback?.Invoke(this, e);
return(!e.Cancel);
}
